JP2011040260A - Method for manufacturing electric connection member and electric connection member - Google Patents

Method for manufacturing electric connection member and electric connection member Download PDF

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JP2011040260A
JP2011040260A JP2009186018A JP2009186018A JP2011040260A JP 2011040260 A JP2011040260 A JP 2011040260A JP 2009186018 A JP2009186018 A JP 2009186018A JP 2009186018 A JP2009186018 A JP 2009186018A JP 2011040260 A JP2011040260 A JP 2011040260A
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connection member
contact
electrical connection
maximum diameter
contact portion
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JP5278239B2 (en
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Hideaki Kumazawa
英明 熊沢
Tsutomu Yamagoshi
強 山腰
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JSR Corp
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Abstract

<P>PROBLEM TO BE SOLVED: To provide an electric connection member which prevents deterioration of connecting retention force and electric characteristics of the electric connection member even when attachment and detachment of the electric connection members are repeated, and of which space as a whole is made small and downsizing and thinness are attained, and a method for manufacturing the electric connection member. <P>SOLUTION: The electric connection member is electrically connected by mutually insertion engaging two connection members mutually opposed to, and the connection member includes a conductive base member part of a nearly flat plate shape and a contact part formed so as to project from the base member part, and the base end part of the contact part of one connection member is formed widening in taper shape and a maximum diameter part is formed at the top end part of the contact part, and the maximum diameter of the base end part of the contact part of the one connection member is formed larger than the maximum diameter of the top end part of the contact part. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

本発明は、集積回路や回路基板などを相互に電気的に接続するための電気接続部材および電気接続部材の製造方法に関する。具体的には、電気接続部材の着脱を繰り返しても、電気接続部材同士の接続保持力や電気特性の低下を防止することができる電気接続部材および電気接続部材の製造方法に関する。   The present invention relates to an electrical connection member for electrically connecting an integrated circuit, a circuit board, and the like, and a method for manufacturing the electrical connection member. Specifically, the present invention relates to an electrical connection member and a method for manufacturing the electrical connection member that can prevent a decrease in connection holding force and electrical characteristics between the electrical connection members even when the electrical connection member is repeatedly attached and detached.

小型化が望まれるような電気・電子機器類においては、その電気・電子機器類において用いられる集積回路や電子回路基板などを相互に電気的に接続するための電気接続部（コネクター）についても、小型化・薄型化が強く望まれている。   In electrical / electronic devices where downsizing is desired, electrical connections (connectors) for electrically connecting integrated circuits and electronic circuit boards used in the electrical / electronic devices, Miniaturization and thinning are strongly desired.

一方で、集積回路や電子回路基板などの修理やサブアセンブリの交換などのために、容易に着脱が行えることも要求されるとともに、繰り返し着脱を行ったとしても、電気的な接続不良が発生しないことが求められる。   On the other hand, it is required to be easily detachable for repair of integrated circuits and electronic circuit boards, replacement of subassemblies, etc., and even if it is repeatedly attached and detached, there is no electrical connection failure. Is required.

このような要求に応えるために、特許文献１（特公平８−３１３４２号公報）では、図１６に示すような電気接続部材が提案されている。   In order to meet such a demand, Patent Document 1 (Japanese Patent Publication No. 8-31342) proposes an electrical connection member as shown in FIG.

図１６の電気接続部材１００は、第１及び第２の接点部材１１０，１２０から構成されており、第１の接点部材１１０には、その電極１１２表面に設けられた指状突起１１４を有している。一方、第２の接点部材１２０は、より軟質な導電性材料から成る電極１２２により構成されており、第１の接点部材１１０の指状突起１１４を、第２の接点部材の電極１２２に押し込むことによって、密着した電気的接続を形成している。なお、符号１１６，１２６はそれぞれ、第１の接点部材１１０，第２の接点部材１２０と接続される回路基板である。   The electrical connection member 100 in FIG. 16 includes first and second contact members 110 and 120, and the first contact member 110 has a finger-like protrusion 114 provided on the surface of the electrode 112 thereof. ing. On the other hand, the second contact member 120 is composed of an electrode 122 made of a softer conductive material, and the finger-like protrusion 114 of the first contact member 110 is pushed into the electrode 122 of the second contact member. Thus, a close electrical connection is formed. Reference numerals 116 and 126 denote circuit boards connected to the first contact member 110 and the second contact member 120, respectively.

また、特許文献２（特開平１１−１２１０６１号公報）では、図１７に示すような電気接続部材が提案されている。図１７の電気接続部材２００も、図１６の電気接続部材１００と同様に、互いに嵌合する第１及び第２の接点部材２１０，２２０から構成されている。   Further, in Patent Document 2 (Japanese Patent Laid-Open No. 11-121061), an electrical connection member as shown in FIG. 17 is proposed. Similarly to the electrical connection member 100 of FIG. 16, the electrical connection member 200 of FIG. 17 includes first and second contact members 210 and 220 that are fitted to each other.

そして、第１の接点部材２１０は、その表面に薄膜状に形成された第１の電極２１２と、第１の電極２１２の表面に形成された導電性の複数の第１の突起２１４から構成されている。そして、この第１の突起２１４のそれぞれは、第１の電極の表面から所定の高さで突出しており、第１の電極の表面に平行な断面の面積が所定の高さのところで極大となり、かつ、先端方向に次第に細くなるように形成されている。   The first contact member 210 includes a first electrode 212 formed in a thin film shape on the surface and a plurality of conductive first protrusions 214 formed on the surface of the first electrode 212. ing. Each of the first protrusions 214 protrudes from the surface of the first electrode at a predetermined height, and the cross-sectional area parallel to the surface of the first electrode becomes a maximum at a predetermined height. And it is formed so that it may become thin gradually in the tip direction.

なお、第２の接点部材２２０については、第１の接点部材２１０と同様な形状で第２の突起２２４が形成されており、複数の第１の突起２１４の隙間に複数の第２の突起２２４を互いに挿入し合うことで嵌合し、第１及び第２の電極２１２，２２２間の電気的接続と、第１及び第２の接点部材２１０，２２０間の保持力を有するように構成されている。なお、符号２１６，２２６はそれぞれ、第１の接点部材２１０，第２の接点部材２２０と接続される回路基板である。   The second contact member 220 has a second protrusion 224 formed in the same shape as the first contact member 210, and a plurality of second protrusions 224 in the gaps between the plurality of first protrusions 214. Are inserted into each other, and are configured to have an electrical connection between the first and second electrodes 212 and 222 and a holding force between the first and second contact members 210 and 220. Yes. Reference numerals 216 and 226 are circuit boards connected to the first contact member 210 and the second contact member 220, respectively.

特公平８−３１３４２号公報Japanese Patent Publication No.8-31342 特開平１１−１２１０６１号公報JP-A-11-121061

しかしながら、特許文献１で提案される電気接続部材１００では、第１の接点部材１１０の指状突起１１４を、第２の接点部材１２０の電極１２２に押し込むことによって、電気的接続を形成しているため、電極１１２に平行な方向の応力には対処することができ、ずれることを防止できるが、電極１１２に垂直な方向の応力には対処することができず、第１の接点部材１１０と第２の接点部材１２０が容易にはずれてしまうことがあった。   However, in the electrical connection member 100 proposed in Patent Document 1, the electrical connection is formed by pressing the finger-like protrusion 114 of the first contact member 110 into the electrode 122 of the second contact member 120. Therefore, the stress in the direction parallel to the electrode 112 can be dealt with and can be prevented from shifting, but the stress in the direction perpendicular to the electrode 112 cannot be dealt with, and the first contact member 110 and the first The two contact members 120 may be easily displaced.

このため、第１の接点部材１１０と第２の接点部材１２０がはずれることを防ぐために、クランプやカバーなどを用いて、第１の接点部材１１０と第２の接点部材１２０が容易にはずれることを防ぐ必要があり、全体として大きなスペースが必要となっていた。   Therefore, in order to prevent the first contact member 110 and the second contact member 120 from coming off, the first contact member 110 and the second contact member 120 can be easily separated using a clamp or a cover. It was necessary to prevent this, and a large space was required as a whole.

一方、特許文献２で提案される電気接続部材２００では、第１の突起２１４と第２の突起２２４が嵌合することによって、第１の接点部材２１０と第２の接点部材２２０の間の接続保持力を保つことができ、クランプやカバーなどを用いなくとも、第１の接点部材２１０と第２の接点部材２２０が容易にはずれることはなく、電気的な接続を維持することができる。   On the other hand, in the electrical connection member 200 proposed in Patent Document 2, the connection between the first contact member 210 and the second contact member 220 is achieved by fitting the first protrusion 214 and the second protrusion 224 together. The holding force can be maintained, and the first contact member 210 and the second contact member 220 are not easily displaced without using a clamp or a cover, and the electrical connection can be maintained.

しかしながら、第１の接点部材２１０と第２の接点部材２２０の着脱の際に、第１の突起２１４の先端と第２の接点部材２２０の電極２２２表面において摩擦が生じ、また同様に、第２の突起２２４の先端と第１の接点部材２１０の電極２１２表面において摩擦が生じるため、第１の接点部材２１０と第２の接点部材２２０の着脱を繰り返すことによって、突起２１４，２２４の先端や電極２１２，２２２表面が摩耗するため電気的特性が低下してしまったり、突起２２４が破損することにより接続保持力が低下してしまうことがあった。   However, when the first contact member 210 and the second contact member 220 are attached and detached, friction is generated between the tip of the first protrusion 214 and the surface of the electrode 222 of the second contact member 220, and similarly, Since friction is generated between the tip of the projection 224 and the surface of the electrode 212 of the first contact member 210, the tips of the projections 214 and 224 and the electrode can be removed by repeatedly attaching and detaching the first contact member 210 and the second contact member 220. Since the surfaces 212 and 222 are worn, the electrical characteristics may be deteriorated, or the connection holding force may be reduced due to the breakage of the protrusions 224.

本発明はこのような現状を鑑み、電気接続部材の着脱を繰り返した場合であっても、電気接続部材同士の接続保持力や電気特性の低下を防止することができ、しかも、接続部分を薄くすることができる電気接続部材およびこの電気接続部材の製造方法を提供することを目的とする。   In view of the current situation, the present invention can prevent a decrease in the connection holding force and electrical characteristics between the electrical connection members even when the electrical connection member is repeatedly attached and detached, and the connection portion is made thin. It is an object of the present invention to provide an electrical connecting member that can be used and a method for manufacturing the electrical connecting member.

本発明は、前述したような従来技術における課題および目的を達成するために発明されたものであって、本発明の電気接続部材は、相互に対応する２つの接続部材を相互に嵌合することによって、電気的に接続される電気接続部材であって、
前記接続部材が、導電性の略平板状の基材部と、基材部から突設するように形成された接点部とを備え、
一方の接続部材の接点部の基端部分がテーパー状に広がっているとともに、接点部の先端部分に極大径部が形成されており、
前記一方の接続部材の接点部の基端部分の最大径が、接点部の先端部分の極大径部よりも大きいことを特徴とする。 The present invention has been invented in order to achieve the above-described problems and objects in the prior art, and the electrical connection member of the present invention is configured to fit two connection members corresponding to each other. An electrical connection member electrically connected by
The connection member includes a conductive substantially flat base portion and a contact portion formed so as to protrude from the base portion,
While the base end portion of the contact portion of one connection member extends in a taper shape, a maximum diameter portion is formed at the tip portion of the contact portion,
The maximum diameter of the proximal end portion of the contact portion of the one connection member is larger than the maximum diameter portion of the distal end portion of the contact portion.

このように構成することによって、一方の接続部材の接点部の基端部分がテーパー状に広がっているので、一方の接続部材を、他方の接続部材に挿入した場合に、他方の接続部材の接点部の先端部が、一方の接続部材の基材部と、強く触れ合うことがないので、一方の接続部材の基材部が摩耗することがない。   With this configuration, since the proximal end portion of the contact portion of one connection member expands in a tapered shape, when one connection member is inserted into the other connection member, the contact of the other connection member Since the tip part of the part does not come into strong contact with the base part of one connecting member, the base part of one connecting member does not wear.

従って、電気接続部材の着脱を繰り返した場合であっても、電気接続部材同士の電気的
な接続不良が生じず、電気特性の低下を防止することができる。 Therefore, even when the attachment / detachment of the electrical connection member is repeated, the electrical connection failure between the electrical connection members does not occur, and the deterioration of the electrical characteristics can be prevented.

また、一方の接続部材の接点部と、他方の接続部材の接点部とが嵌合しているため、基材部と平行な方向の応力のみならず、基材部と垂直な方向の応力にも対処することができ、十分な接続保持力を確保することができるので、接続部材同士が容易にはずれることはない。   In addition, since the contact portion of one connection member and the contact portion of the other connection member are fitted, not only stress in a direction parallel to the base material portion but also stress in a direction perpendicular to the base material portion. Since a sufficient connection holding force can be secured, the connecting members are not easily displaced.

また、本発明の電気接続部材は、他方の接続部材の接点部の基端部分がテーパー状に広がっているとともに、接点部の先端部分に極大径部が形成されており、
前記他方の接続部材の接点部の基端部分の最大径が、接点部の先端部分の極大径部よりも大きいことを特徴とする。 Moreover, the electrical connection member of the present invention has a base end portion of the contact portion of the other connection member extending in a tapered shape, and a maximum diameter portion is formed at the tip portion of the contact portion,
The maximum diameter of the proximal end portion of the contact portion of the other connection member is larger than the maximum diameter portion of the distal end portion of the contact portion.

このように構成することによって、一方の接続部材の接点部と、他方の接続部材の接点部とが、確実に嵌合し、容易に嵌合状態が解除されないので、基材部と平行な方向の応力のみならず、基材部と垂直な方向の応力にも対処することができ、十分な接続保持力を確保することができるので、接続部材同士が容易にはずれることはない。   By configuring in this way, the contact part of one connection member and the contact part of the other connection member are securely fitted and the fitted state is not easily released, so the direction parallel to the base material part In addition to this stress, it is possible to cope with stress in a direction perpendicular to the base material portion, and a sufficient connection holding force can be secured, so that the connecting members are not easily displaced.

また、一方の接続部材の接点部の基端部分のみならず、他方の接続部材の接点部の基端部分もテーパー状に広がっているので、一方の接続部材を、他方の接続部材に挿入した場合に、一方の接続部材の接点部の先端部と、他方の接続部材の基材部とが、また、他方の接続部材の接点部の先端部と、一方の接続部材の基材部とが、強く触れ合うことがないので、一方の接続部材の基材部および他方の接続部材の基材部が摩耗することがない。   In addition, since not only the base end portion of the contact portion of one connection member but also the base end portion of the contact portion of the other connection member extends in a tapered shape, one connection member is inserted into the other connection member. In this case, the tip of the contact part of one connection member and the base part of the other connection member, the tip of the contact part of the other connection member, and the base part of the one connection member Since they do not touch strongly, the base material part of one connection member and the base material part of the other connection member are not worn.

従って、電気接続部材の着脱を繰り返した場合であっても、電気接続部材同士の電気的な接続不良が生じず、電気特性の低下を防止することができる。   Therefore, even when the attachment / detachment of the electrical connection member is repeated, the electrical connection failure between the electrical connection members does not occur, and the deterioration of the electrical characteristics can be prevented.

また、本発明の電気接続部材は、他方の接続部材の接点部が、基材部から略垂直に突設されていることを特徴とする。   Moreover, the electrical connection member of the present invention is characterized in that the contact portion of the other connection member protrudes substantially perpendicularly from the base material portion.

このように構成した場合であっても、一方の接続部材の接点部が、他方の接続部材の接点部とくさび状に当接することによって、接続部材同士の嵌合が容易にはずれることはない。   Even in the case of such a configuration, the contact portion of one connection member abuts against the contact portion of the other connection member in a wedge shape, so that the fitting of the connection members is not easily shifted.

また、一方の接続部材を、他方の接続部材に挿入した場合に、他方の接続部材の接点部の先端部と、一方の接続部材の基材部とが、強く触れ合うことがないので、一方の接続部材の基材部が摩耗することがない。   In addition, when one connection member is inserted into the other connection member, the tip of the contact portion of the other connection member and the base material portion of the one connection member do not come into strong contact with each other. The base material portion of the connecting member is not worn.

さらには、一方の接続部材の接点部の先端部は、他方の接続部材の接点部と当接することがなく、摩耗することがない。   Furthermore, the tip of the contact portion of one connection member does not abut against the contact portion of the other connection member and does not wear.

従って、電気接続部材の着脱を繰り返した場合であっても、電気接続部材同士の電気的な接続不良が生じず、電気特性の低下を防止することができる。   Therefore, even when the attachment / detachment of the electrical connection member is repeated, the electrical connection failure between the electrical connection members does not occur, and the deterioration of the electrical characteristics can be prevented.

また、本発明の電気接続部材は、他方の接続部材の接点部の先端部分に最大径部が形成されていることを特徴とする。   Further, the electrical connection member of the present invention is characterized in that a maximum diameter portion is formed at a tip portion of the contact portion of the other connection member.

このように構成した場合であっても、一方の接続部材の接点部と、他方の接続部材の接点部とが、確実に嵌合し、容易に嵌合状態が解除されないので、基材部と平行な方向の応力のみならず、基材部と垂直な方向の応力にも対処することができ、十分な接続保持力を確保することができるので、接続部材同士が容易にはずれることはない。   Even when configured in this way, the contact portion of one connection member and the contact portion of the other connection member are securely fitted, and the fitted state is not easily released. Since not only the stress in the parallel direction but also the stress in the direction perpendicular to the base material portion can be dealt with and a sufficient connection holding force can be secured, the connecting members are not easily displaced.

また、一方の接続部材を、他方の接続部材に挿入した場合に、他方の接続部材の接点部の先端部と、一方の接続部材の基材部とが、強く触れ合うことがないので、一方の接続部材の基材部が摩耗することがない。   In addition, when one connection member is inserted into the other connection member, the tip of the contact portion of the other connection member and the base material portion of the one connection member do not come into strong contact with each other. The base material portion of the connecting member is not worn.

さらには、一方の接続部材の接点部の先端部と、他方の接続部材の接点部の先端部とが当接することがなく、摩耗することがない。   Furthermore, the tip of the contact portion of one connection member and the tip of the contact portion of the other connection member do not come into contact with each other, and wear does not occur.

従って、電気接続部材の着脱を繰り返した場合であっても、電気接続部材同士の電気的な接続不良が生じず、電気特性の低下を防止することができる。   Therefore, even when the attachment / detachment of the electrical connection member is repeated, the electrical connection failure between the electrical connection members does not occur, and the deterioration of the electrical characteristics can be prevented.

また、本発明の電気接続部材の製造方法は、前述のいずれかに記載の電気接続部材の製造方法であって、
基板上に光硬化性組成物を硬化させて積層することによって、各接続部材の形状に対応するレプリカを作製するレプリカ作製工程と、
前記レプリカ作製工程によって作製されたレプリカ上に、硬化樹脂を硬化させた後、レプリカを取り除いて、成形用型を作製する成形用型作製工程と、
前記成形用型作製工程によって作製された成形用型を用いて、成形用型の表面に導電材料層を形成して、接続部材を作製する導電材料層形成工程と、
前記導電材料層形成工程によって作製された接続部材を成形用型から取り外して、接続部材を得る接続部材作製工程と、
を備えることを特徴とする。 Moreover, the manufacturing method of the electrical connection member of the present invention is the manufacturing method of the electrical connection member according to any of the foregoing,
A replica production step of producing a replica corresponding to the shape of each connection member by curing and laminating the photocurable composition on the substrate;
On the replica produced by the replica production process, after curing the cured resin, removing the replica, and a mold production process for producing a mold,
A conductive material layer forming step of forming a conductive material layer on the surface of the molding die using the molding die produced by the molding die producing step, and producing a connection member;
A connecting member manufacturing step of removing the connecting member manufactured by the conductive material layer forming step from the mold and obtaining a connecting member;
It is characterized by providing.

このように構成することによって、基板上に光硬化性組成物を硬化させて積層することによって、各接続部材の形状に対応するレプリカを作製し、レプリカ上に、硬化樹脂を硬化させた後、レプリカを取り除いて、成形用型を作製し、成形用型の表面に導電材料層を形成して、接続部材を作製して、接続部材を成形用型から取り外すだけで、接続部材を得ることができ、複雑な工程を経ることなく、製造コストを低減することができ、しかも、例えば、集積回路や回路基板などを相互に電気的に接続するための微細な電気接続部材を得ることができる。   By configuring in this way, the photocurable composition is cured and laminated on the substrate to produce a replica corresponding to the shape of each connection member, and after curing the cured resin on the replica, It is possible to obtain a connecting member simply by removing the replica, producing a molding die, forming a conductive material layer on the surface of the molding die, producing a connecting member, and removing the connecting member from the molding die. In addition, the manufacturing cost can be reduced without going through a complicated process, and for example, a fine electrical connection member for electrically connecting an integrated circuit, a circuit board, and the like can be obtained.

また、本発明の電気接続部材の製造方法は、前記レプリカ作製工程において、液体状の光硬化性組成物を収容した液槽に、基板を沈降させて、光を所定パターンに照射して、光硬化性組成物を硬化させる工程を繰り返すことによって、基板上に光硬化性組成物を硬化積層し、レプリカを作製することを特徴とする。   Further, in the method for producing an electrical connection member of the present invention, in the replica preparation step, the substrate is set in a liquid tank containing a liquid photocurable composition, and light is irradiated to a predetermined pattern. By repeating the step of curing the curable composition, the photocurable composition is cured and laminated on the substrate to produce a replica.

このように構成することによって、液体状の光硬化性組成物を収容した液槽に、基板を沈降させて、光を所定パターンに照射して、光硬化性組成物を硬化させる工程を繰り返すだけで、基板上に光硬化性組成物を所定の形状に硬化積層でき、レプリカを作製することができ、複雑な工程を経ることなく、製造コストを低減することができ、しかも、例えば、集積回路や回路基板などを相互に電気的に接続するための微細な電気接続部材を得ることができる。   By comprising in this way, only the process of settling a board | substrate to the liquid tank which accommodated the liquid photocurable composition, irradiating light to a predetermined pattern, and hardening a photocurable composition is repeated. Thus, a photocurable composition can be cured and laminated in a predetermined shape on a substrate, a replica can be manufactured, manufacturing costs can be reduced without going through complicated steps, and, for example, an integrated circuit And a fine electrical connection member for electrically connecting circuit boards and the like can be obtained.

本発明の電気接続部材によれば、一方の接続部材の接点部の基端部分がテーパー状に広がっているため、一方の接続部材を、他方の接続部材に挿入した場合に、他方の接続部材の接点部の先端部が、一方の接続部材の基材部と、強く触れ合うことがないので、一方の接続部材の基材部が摩耗することがない。   According to the electrical connection member of the present invention, since the proximal end portion of the contact portion of one connection member extends in a taper shape, when one connection member is inserted into the other connection member, the other connection member Since the tip of the contact portion does not come into strong contact with the base material portion of the one connection member, the base material portion of the one connection member is not worn.

このため、電気接続部材の着脱を繰り返した場合であっても、電気接続部材同士の電気
的な接続不良が生じず、電気特性の低下を防止することができる。 For this reason, even if it is a case where attachment / detachment of an electrical connection member is repeated, the electrical connection failure of electrical connection members does not arise, and the fall of an electrical property can be prevented.

さらには、一方の接続部材の接点部と、他方の接続部材の接点部とが、嵌合しているため、基材部と平行な方向の応力のみならず、基材部と垂直な方向の応力にも対処することができ、十分な接続保持力を確保することができるので、接続部材同士が容易にはずれることはない。   Furthermore, since the contact part of one connection member and the contact part of the other connection member are fitted, not only the stress in the direction parallel to the base material part but also the direction perpendicular to the base material part. Since the stress can be dealt with and a sufficient connection holding force can be secured, the connecting members are not easily displaced.

また、本発明の電気接続部材の製造方法によれば、基板上に光硬化性組成物を硬化させて積層することによって、各接続部材の形状に対応するレプリカを作製し、レプリカ上に、硬化樹脂を硬化させた後、レプリカを取り除いて、成形用型を作製し、成形用型の表面に導電材料層を形成して、接続部材を作製して、接続部材を成形用型から取り外すだけで、接続部材を得ることができ、複雑な工程を経ることなく、製造コストを低減することができ、しかも、例えば、集積回路や回路基板などを相互に電気的に接続するための微細な電気接続部材を得ることができる。   In addition, according to the method for manufacturing an electrical connection member of the present invention, a photocurable composition is cured and laminated on a substrate to produce a replica corresponding to the shape of each connection member, and cured on the replica. After the resin is cured, the replica is removed, a mold is produced, a conductive material layer is formed on the surface of the mold, a connection member is produced, and the connection member is simply removed from the mold. The connection member can be obtained, the manufacturing cost can be reduced without going through a complicated process, and, for example, fine electrical connection for electrically connecting integrated circuits and circuit boards to each other. A member can be obtained.

図１は、本発明の電気接続部材の実施例の一方の接続部材を模式的に示す拡大断面図である。FIG. 1 is an enlarged cross-sectional view schematically showing one connection member of an embodiment of the electrical connection member of the present invention. 図２は、本発明の電気接続部材の実施例の他方の接続部材を模式的に示す拡大断面図である。FIG. 2 is an enlarged cross-sectional view schematically showing the other connection member of the embodiment of the electrical connection member of the present invention. 図３は、図１の一方の接続部材と、他方の接続部材を、電気的に接続する方法を模式的に説明する拡大断面図である。FIG. 3 is an enlarged cross-sectional view schematically illustrating a method of electrically connecting one connecting member and the other connecting member of FIG. 1. 図４は、図１の一方の接続部材と、他方の接続部材を、電気的に接続した状態を模式的に示す説明する拡大断面図である。FIG. 4 is an enlarged cross-sectional view schematically illustrating a state where one connection member of FIG. 1 and the other connection member are electrically connected. 図５は、本発明の電気接続部材を用いた一例を示す斜視図である。FIG. 5 is a perspective view showing an example using the electrical connection member of the present invention. 図６は、本発明の電気接続部材の他の実施例の他方の接続部材を模式的に示す拡大断面図である。FIG. 6 is an enlarged cross-sectional view schematically showing the other connection member of another embodiment of the electrical connection member of the present invention. 図７は、図１の一方の接続部材と、図６の他方の接続部材を、電気的に接続した状態を模式的に示す説明する拡大断面図である。FIG. 7 is an enlarged cross-sectional view schematically illustrating a state where one connection member of FIG. 1 and the other connection member of FIG. 6 are electrically connected. 図８は、接続部材の接点部同士の嵌合状態を模式的に示す部分拡大断面図である。FIG. 8 is a partially enlarged cross-sectional view schematically showing a fitting state between the contact portions of the connection member. 図９は、本発明の電気接続部材の他の実施例の他方の接続部材を模式的に示す拡大断面図である。FIG. 9 is an enlarged cross-sectional view schematically showing the other connection member of another embodiment of the electrical connection member of the present invention. 図１０は、図１の一方の接続部材と、図９の他方の接続部材を、電気的に接続した状態を模式的に示す説明する拡大断面図である。FIG. 10 is an enlarged cross-sectional view schematically illustrating a state where one connection member of FIG. 1 and the other connection member of FIG. 9 are electrically connected. 図１１は、接続部材の接点部同士の嵌合状態を模式的に示す部分拡大断面図である。FIG. 11 is a partial enlarged cross-sectional view schematically showing a fitting state between the contact portions of the connection member. 図１２は、光積層造形法を示す概略断面図である。FIG. 12 is a schematic cross-sectional view showing the optical additive manufacturing method. 図１３は、本発明の電気接続部材の製造方法の概略を示す断面図である。FIG. 13 is a cross-sectional view showing an outline of a method for manufacturing an electrical connecting member of the present invention. 図１４は、本発明の電気接続部材の製造方法の概略を示す断面図である。FIG. 14 is a cross-sectional view showing an outline of the method for manufacturing the electrical connecting member of the present invention. 図１５は、本発明の電気接続部材の製造方法の概略を示す断面図である。FIG. 15 is a cross-sectional view showing an outline of the method for manufacturing the electrical connecting member of the present invention. 図１６は、従来の電気接続部材の断面図である。FIG. 16 is a cross-sectional view of a conventional electrical connection member. 図１７は、従来の電気接続部材の断面図である。FIG. 17 is a cross-sectional view of a conventional electrical connection member.

以下、本発明の実施の形態（実施例）を、図面に基づいてより詳細に説明する。
（Ａ）電気接続部材の構成
図１は、本発明の電気接続部材の実施例の一方の接続部材を模式的に示す拡大断面図、図２は、本発明の電気接続部材の実施例の他方の接続部材を模式的に示す拡大断面図、図３は、図１の一方の接続部材と、図２の他方の接続部材を電気的に接続する方法を説明す
る拡大断面図、図４は、図１の一方の接続部材と、図２の他方の接続部材を電気的に接続した状態を説明する拡大断面図、図５は、本発明の電気接続部材を用いた例を示す斜視図である。 Hereinafter, embodiments (examples) of the present invention will be described in more detail based on the drawings.
(A) Configuration of Electrical Connection Member FIG. 1 is an enlarged sectional view schematically showing one connection member of an embodiment of the electrical connection member of the present invention, and FIG. 2 is the other of the embodiment of the electrical connection member of the present invention. FIG. 3 is an enlarged sectional view schematically showing the connecting member of FIG. 3, FIG. 3 is an enlarged sectional view for explaining a method of electrically connecting one connecting member in FIG. 1 and the other connecting member in FIG. 1 is an enlarged cross-sectional view for explaining a state in which one connection member is electrically connected to the other connection member in FIG. 2, and FIG. 5 is a perspective view showing an example using the electrical connection member of the present invention. .

図１から４に示すように、本発明の電気接続部材１０は、互いに対向した一方の接続部材１２と他方の接続部材１４から構成される。   As shown in FIGS. 1 to 4, the electrical connection member 10 of the present invention includes one connection member 12 and the other connection member 14 that face each other.

接続部材１２は、導電性の略平板状の基材部１６と、この基材部１６の表面に突設するように形成された複数の接点部１８を有している。   The connecting member 12 has a conductive substantially flat base portion 16 and a plurality of contact portions 18 formed so as to protrude from the surface of the base portion 16.

複数の接点部１８は、それぞれ略同一形状であり、かつ、基材部１６から略同一の高さで突設されている。また、複数の接点部１８は、基材部１６の表面上に略一様に等間隔に形成されている。なお、接点部１８の間隔としては、後述するように、他方の接続部材１４の複数の接点部２２の隙間に、一方の接続部材１２の接点部１８が挿入できれば、特に限定されるものではないが、後述する、先端部分１８ｂの極大径ｒよりもわずかに大きい間隔とすることが好ましい。   The plurality of contact portions 18 have substantially the same shape, and project from the base material portion 16 at substantially the same height. Further, the plurality of contact portions 18 are formed on the surface of the base material portion 16 at substantially equal intervals. In addition, as the space | interval of the contact part 18 will be mentioned later, if the contact part 18 of one connection member 12 can be inserted in the clearance gap between the some contact parts 22 of the other connection member 14, it will not specifically limit. However, it is preferable that the gap is slightly larger than the maximum diameter r of the tip end portion 18b, which will be described later.

本実施例において、接点部１８は、図１に示すように、基端部分１８ａがテーパー状に広がっているとともに、先端部分１８ｂに極大径部１９が形成されている。なお、基端部分１８ａの最大径Ｒは、先端部分１８ｂの極大径ｒよりも大きくなるように形成されている。   In the present embodiment, as shown in FIG. 1, the contact portion 18 has a proximal end portion 18a extending in a tapered shape and a maximum diameter portion 19 formed at the distal end portion 18b. The maximum diameter R of the base end portion 18a is formed to be larger than the maximum diameter r of the tip end portion 18b.

なお、この場合、最大径Ｒ、極大径ｒとは、接点部１８の基材部１６に平行な断面の断面積の大きさと言い換えることもでき、接点部１８の基材部１６に平行な断面の形状が四角形状や三角形状の場合には、基端部分１８ａの最大断面積Ｓが、先端部分１８ｂの極大断面積ｓよりも大きくなるように形成されていればよい。   In this case, the maximum diameter R and the maximum diameter r can be rephrased as the size of the cross-sectional area of the contact portion 18 parallel to the base portion 16, and the cross section of the contact portion 18 parallel to the base portion 16. When the shape is a square shape or a triangular shape, the maximum cross-sectional area S of the base end portion 18a may be formed to be larger than the maximum cross-sectional area s of the front end portion 18b.

また、接点部１８の先端部分１８ｂは、極大径部を有していれば特に限定されるものではないが、図３に示すように、略球形状とすることができる。このような形状とすることによって、一方の接続部材１２と他方の接続部材１４を容易に着脱することができる。   Further, the tip end portion 18b of the contact portion 18 is not particularly limited as long as it has a maximum diameter portion. However, as shown in FIG. By setting it as such a shape, the one connection member 12 and the other connection member 14 can be attached or detached easily.

一方で、本実施例において接続部材１４は、図２に示すように、接続部材１２と同様な形状を採用しており、導電性の略平板状の基材部２０と、この基材部２０の表面に突設するように形成された複数の接点部２２を有している。   On the other hand, as shown in FIG. 2, the connection member 14 in the present embodiment adopts the same shape as the connection member 12, and the conductive substantially flat plate-like base material portion 20 and the base material portion 20. It has a plurality of contact portions 22 formed so as to project from the surface.

このような形状を有する一方の接続部材１２および他方の接続部材１４は、図３に示すように、一方の接続部材１２の複数の接点部１８の隙間に、他方の接続部材１４の複数の接点部２２が挿入されるように、また、一方の接続部材１４の複数の接点部２２の隙間に、他方の接続部材１２の複数の接点部１８が挿入されるようにして、一方の接続部材１２と他方の接続部材１４は電気的に接続される。   As shown in FIG. 3, the one connection member 12 and the other connection member 14 having such a shape have a plurality of contacts of the other connection member 14 in gaps between the plurality of contact portions 18 of the one connection member 12. One connecting member 12 is inserted so that the plurality of contact portions 18 of the other connecting member 12 are inserted into the gaps of the plurality of contact portions 22 of one connecting member 14 so that the portion 22 is inserted. And the other connecting member 14 are electrically connected.

本実施例の一方の接続部材１２では、接点部１８の基端部分１８ａがテーパー状に広がっているため、接続部材１２の底部１６ａが、なだらかな凹部を形成することになる。このため、一方の接続部材１２と他方の接続部材１４を相互に嵌合させ、装着させる場合にも、他方の接続部材１４の接点部２２の先端は、一方の接続部材１２の底部１６ａと強く触れ合うことがないため、一方の接続部材１２の底部１６ａが摩耗することを防止し、一方の接続部材１２と他方の接続部材１４の着脱の繰り返しによる電気特性の低下を防ぐことができる。   In one connection member 12 of the present embodiment, the base end portion 18a of the contact portion 18 expands in a taper shape, so that the bottom portion 16a of the connection member 12 forms a gentle recess. For this reason, even when one connection member 12 and the other connection member 14 are fitted and attached to each other, the tip of the contact portion 22 of the other connection member 14 is strongly connected to the bottom 16a of the one connection member 12. Since it does not touch, it can prevent that the bottom part 16a of one connection member 12 wears, and can prevent the deterioration of the electrical property by repeated attachment / detachment of one connection member 12 and the other connection member 14.

一方で、図４に示すように、一方の接続部材１２と他方の接続部材１４が電気的に接続
された状態においては、一方の接続部材１２の接点部１８と、他方の接続部材１４の接点部２２とが互いに嵌合しているため、基材部１６，２０と平行な方向の応力のみならず、垂直な方向の応力にも対処することができ、十分な接続保持力を確保することができるので、一方の接続部材１２と他方の接続部材１４とが容易にはずれることはない。 On the other hand, as shown in FIG. 4, in a state where one connection member 12 and the other connection member 14 are electrically connected, the contact portion 18 of one connection member 12 and the contact of the other connection member 14. Since the portion 22 is fitted to each other, not only the stress in the direction parallel to the base material portions 16 and 20 but also the stress in the vertical direction can be dealt with, and sufficient connection holding force is ensured. Therefore, one connection member 12 and the other connection member 14 are not easily displaced.

このため、クランプやカバーなどを用いて、一方の接続部材１２と他方の接続部材１４が容易にはずれることを防ぐ必要がないため、全体としてスペースを小さくすることができ、電気接続部材１０の小型化・薄型化を図ることができる。   For this reason, since it is not necessary to prevent one connection member 12 and the other connection member 14 from easily deviating using a clamp or a cover, the space can be reduced as a whole, and the electrical connection member 10 can be made compact. Can be made thinner and thinner.

なお、このような電気接続部材１０は、例えば、図５に示すように、所定の機能を有するプリント回路基板６０とプリント回路基板６２とを電気的に接続する場合などに用いられる。   Such an electrical connection member 10 is used when, for example, a printed circuit board 60 having a predetermined function and a printed circuit board 62 are electrically connected as shown in FIG.

図５に示す実施例では、一方の接続部材１２が、プリント回路基板６０と接続されているとともに、他方の接続部材１４が、プリント回路基板６２と接続されている。そして、一方の接続部材１２と、他方の接続部材１４を嵌合することによって、一方の接続部材１２と他方の接続部材１４が電気的に接続され、その結果、プリント回路基板６０とプリント回路基板６２が電気的に接続されることになる。   In the embodiment shown in FIG. 5, one connecting member 12 is connected to the printed circuit board 60, and the other connecting member 14 is connected to the printed circuit board 62. Then, by fitting one connecting member 12 and the other connecting member 14, one connecting member 12 and the other connecting member 14 are electrically connected. As a result, the printed circuit board 60 and the printed circuit board are connected. 62 will be electrically connected.

図６は、本発明の電気接続部材の別の実施例の他方の接続部材を模式的に示す拡大断面図、図７は、図１の一方の接続部材と、図６の他方の接続部材を電気的に接続する方法を説明する拡大断面図、図８は、図１の一方の接続部材と、図６の他方の接続部材を電気的に接続した状態を説明する拡大断面図である。   6 is an enlarged cross-sectional view schematically showing the other connecting member of another embodiment of the electrical connecting member of the present invention, and FIG. 7 shows one connecting member in FIG. 1 and the other connecting member in FIG. FIG. 8 is an enlarged cross-sectional view for explaining a method of electrically connecting, and FIG. 8 is an enlarged cross-sectional view for explaining a state where one connection member of FIG. 1 and the other connection member of FIG. 6 are electrically connected.

この実施例の電気接続部材１０は、図１から図５に示した実施例の電気接続部材１０と基本的には同様な構成であり、同一の構成部材には、同一の参照番号を付して、その詳細な説明を省略する。   The electrical connection member 10 of this embodiment has basically the same configuration as the electrical connection member 10 of the embodiment shown in FIGS. 1 to 5, and the same reference numerals are assigned to the same components. Detailed description thereof will be omitted.

この実施例の他方の接続部材１４は、図６に示すように、基材部２０の表面上に略一様に等間隔に形成された複数の接点部２３が、基材部２０から略垂直に突設されている。   As shown in FIG. 6, the other connection member 14 of this embodiment has a plurality of contact portions 23 formed substantially uniformly on the surface of the base material portion 20 at equal intervals. Projected to

このような形状を有する他方の接続部材１４は、図７に示すように、一方の接続部材１２の複数の接点部１８の隙間に、他方の接続部材１４の複数の接点部２３が挿入されるように、また、他方の接続部材１４の複数の接点部２３の隙間に、一方の接続部材１２の複数の接点部１８が挿入されるようにして、一方の接続部材１２と他方の接続部材１４は電気的に接続される。   In the other connection member 14 having such a shape, as shown in FIG. 7, the plurality of contact portions 23 of the other connection member 14 are inserted into the gaps of the plurality of contact portions 18 of the one connection member 12. In addition, the one connection member 12 and the other connection member 14 are arranged such that the plurality of contact portions 18 of the one connection member 12 are inserted into the gaps between the plurality of contact portions 23 of the other connection member 14. Are electrically connected.

本実施例においても、一方の接続部材１２の底部１６ａが、なだらかな凹部を形成しているため、他方の接続部材１４の接点部２３の先端が、一方の接続部材１２の底部１６ａと強く触れ合うことがないため、一方の接続部材１２の底部１６ａが摩耗することを防止し、一方の接続部材１２と他方の接続部材１４の着脱の繰り返しによる電気特性の低下を防ぐことができる。   Also in this embodiment, since the bottom portion 16a of one connection member 12 forms a gentle recess, the tip of the contact portion 23 of the other connection member 14 comes into strong contact with the bottom portion 16a of the one connection member 12. Therefore, it is possible to prevent the bottom portion 16a of the one connection member 12 from being worn, and to prevent deterioration in electrical characteristics due to repeated attachment / detachment of the one connection member 12 and the other connection member 14.

一方で、図８に示すように、一方の接続部材１２と他方の接続部材１４が電気的に接続された状態においては、一方の接続部材１２の接点部１８の先端部分１８ｂが、他方の接続部材１４の接点部２３と接触することで摩擦力が生じるため、基材部１６，２０と平行な方向の応力のみならず、垂直な方向に応力にも対処することができ、十分な接続保持力を確保することができるので、一方の接続部材１２と他方の接続部材１４とが容易にはずれることはない。   On the other hand, as shown in FIG. 8, in the state where one connection member 12 and the other connection member 14 are electrically connected, the tip end portion 18b of the contact portion 18 of the one connection member 12 is connected to the other connection. Since a frictional force is generated by contacting the contact portion 23 of the member 14, not only stress in a direction parallel to the base material portions 16 and 20 but also stress in a perpendicular direction can be dealt with, and sufficient connection holding is possible. Since a force can be ensured, one connecting member 12 and the other connecting member 14 are not easily displaced.

このため、クランプやカバーなどを用いて、一方の接続部材１２と他方の接続部材１４が容易にはずれることを防ぐ必要がないため、全体としてスペースを小さくすることができ、電気接続部材１０の小型化・薄型化を図ることができる。   For this reason, since it is not necessary to prevent one connection member 12 and the other connection member 14 from easily deviating using a clamp or a cover, the space can be reduced as a whole, and the electrical connection member 10 can be made compact. Can be made thinner and thinner.

図９は、本発明の電気接続部材の別の実施例の他方の接続部材を模式的に示す拡大断面図、図１０は、図１の一方の接続部材と、図９の他方の接続部材を電気的に接続する方法を説明する拡大断面図、図１１は、図１の一方の接続部材と、図９の他方の接続部材を電気的に接続した状態を説明する拡大断面図である。   FIG. 9 is an enlarged cross-sectional view schematically showing the other connection member of another embodiment of the electrical connection member of the present invention, and FIG. 10 shows one connection member of FIG. 1 and the other connection member of FIG. FIG. 11 is an enlarged sectional view for explaining a state in which one connecting member in FIG. 1 and the other connecting member in FIG. 9 are electrically connected.

この実施例の電気接続部材１０は、図１から図５に示した実施例の電気接続部材１０と基本的には同様な構成であり、同一の構成部材には、同一の参照番号を付して、その詳細な説明を省略する。   The electrical connection member 10 of this embodiment has basically the same configuration as the electrical connection member 10 of the embodiment shown in FIGS. 1 to 5, and the same reference numerals are assigned to the same components. Detailed description thereof will be omitted.

この実施例の他方の接続部材１４は、図９に示すように、基材部２０の表面上に略一様に等間隔に形成された複数の接点部２４は、先端部分２４ｂに最大径部２５を有している。なお、接点部２４の先端部分２４ｂは、最大径部２５を有していれば特に限定されるものではないが、図９に示すように、略球形状とすることができる。このような形状とすることによって、一方の接続部材１２と他方の接続部材１４を容易に着脱することができる。   As shown in FIG. 9, the other connecting member 14 of this embodiment has a plurality of contact portions 24 formed on the surface of the base material portion 20 at substantially equal intervals. 25. The tip end portion 24b of the contact portion 24 is not particularly limited as long as it has the maximum diameter portion 25. However, as shown in FIG. By setting it as such a shape, the one connection member 12 and the other connection member 14 can be attached or detached easily.

このような形状を有する他方の接続部材１４は、図１０に示すように、一方の接続部材１２の複数の接点部１８の隙間に、他方の接続部材１４の複数の接点部２４が挿入されるように、また、他方の接続部材１４の複数の接点部２４の隙間に、一方の接続部材１２の複数の接点部１８が挿入されるようにして、一方の接続部材１２と他方の接続部材１４は電気的に接続される。   In the other connection member 14 having such a shape, as shown in FIG. 10, the plurality of contact portions 24 of the other connection member 14 are inserted into the gaps of the plurality of contact portions 18 of the one connection member 12. Similarly, the plurality of contact portions 18 of one connection member 12 are inserted into the gaps of the plurality of contact portions 24 of the other connection member 14 so that one connection member 12 and the other connection member 14 are inserted. Are electrically connected.

本実施例においても、一方の接続部材１２の底部１６ａが、なだらかな凹部を形成しているため、他方の接続部材１４の接点部２４の先端が、一方の接続部材１２の底部１６ａと強く触れ合うことがないため、一方の接続部材１２の底部１６ａが摩耗することを防止し、一方の接続部材１２と他方の接続部材１４の着脱の繰り返しによる電気特性の低下を防ぐことができる。   Also in this embodiment, since the bottom portion 16a of one connection member 12 forms a gentle recess, the tip of the contact portion 24 of the other connection member 14 comes into strong contact with the bottom portion 16a of the one connection member 12. Therefore, it is possible to prevent the bottom portion 16a of the one connection member 12 from being worn, and to prevent deterioration in electrical characteristics due to repeated attachment / detachment of the one connection member 12 and the other connection member 14.

一方で、図１１に示すように、一方の接続部材１２と他方の接続部材１４が電気的に接続された状態においては、一方の接続部材１２の接点部１８と、他方の接続部材１４の接点部２４とが互いに嵌合しているため、基材部１６，２０と平行な方向の応力のみならず、垂直な方向の応力にも対処することができ、十分な接続保持力を確保することができるので、一方の接続部材１２と他方の接続部材１４とが容易にはずれることはない。   On the other hand, as shown in FIG. 11, in a state where one connection member 12 and the other connection member 14 are electrically connected, the contact portion 18 of one connection member 12 and the contact of the other connection member 14. Since the portion 24 is fitted to each other, not only the stress in the direction parallel to the base material portions 16 and 20 but also the stress in the vertical direction can be dealt with, and sufficient connection holding force is ensured. Therefore, one connection member 12 and the other connection member 14 are not easily displaced.

このため、クランプやカバーなどを用いて、一方の接続部材１２と他方の接続部材１４が容易にはずれることを防ぐ必要がないため、全体としてスペースを小さくすることができ、電気接続部材１０の小型化・薄型化を図ることができる。
（Ｂ）電気接続部材の製造方法
以下に、上記のような構成を有する本発明の電気接続部材の製造方法について説明する。
（１）レプリカ作製工程
先ず、基板上に光硬化性組成物を硬化させて積層することによって、各接続部材の形状に対応するレプリカを作製する。 For this reason, since it is not necessary to prevent one connection member 12 and the other connection member 14 from easily deviating using a clamp or a cover, the space can be reduced as a whole, and the electrical connection member 10 can be made compact. Can be made thinner and thinner.
(B) Manufacturing method of electrical connection member Below, the manufacturing method of the electrical connection member of this invention which has the above structures is demonstrated.
(1) Replica production process First, the replica corresponding to the shape of each connection member is produced by hardening and hardening a photocurable composition on a board | substrate.

すなわち、いわゆる「光積層造形法」を用いて、光硬化性組成物を硬化させて積層することによって、各接続部材の形状に対応するレプリカを作製する。そして、光硬化性組成
物として、光硬化性液状組成物を採用するものである。なお、光積層造形法としては、特に限定されるものではない。 That is, a replica corresponding to the shape of each connecting member is produced by curing and laminating the photocurable composition using a so-called “optical layered manufacturing method”. And a photocurable liquid composition is employ | adopted as a photocurable composition. In addition, it does not specifically limit as an optical layered modeling method.

このような光積層造形法としては、例えば、図１２のような方法を用いることができる。   As such an optical layered modeling method, for example, a method as shown in FIG. 12 can be used.

すなわち、図１２（ａ）に示したように、光硬化性液状組成物２６を収容した液槽２８内に、支持ステージ３０を昇降自在に設けておく。   That is, as shown in FIG. 12A, a support stage 30 is provided in a liquid tank 28 containing the photocurable liquid composition 26 so as to be movable up and down.

そして、図１２（ａ）に示したように、この支持ステージ３０を、光硬化性液状組成物２６の液面３２から微小量降下（沈降）させることにより、支持ステージ３０上に、光硬化性液状組成物２６を供給して、光硬化性液状組成物２６の薄層３４を形成する。   Then, as shown in FIG. 12A, the support stage 30 is photocured on the support stage 30 by lowering (sedimenting) a small amount from the liquid level 32 of the photocurable liquid composition 26. The liquid composition 26 is supplied to form a thin layer 34 of the photocurable liquid composition 26.

次いで、この薄層３４に対して、図１２（ａ）の矢印に示したように、薄層３４の所定パターン部分に、選択的に光を照射し、光硬化性液状組成物２６の硬化物（硬化樹脂層）３６を形成する。   Next, as shown by the arrow in FIG. 12A, a predetermined pattern portion of the thin layer 34 is selectively irradiated with light to the thin layer 34, and a cured product of the photocurable liquid composition 26. A (cured resin layer) 36 is formed.

次に、図１２（ｂ）に示したように、支持ステージ３０を、さらに微小量降下（沈降）させて、この硬化物３６の上に、新たな光硬化性液状組成物２６を供給して、光硬化性液状組成物の薄層３８を再度形成する。   Next, as shown in FIG. 12B, the support stage 30 is further lowered (sedimented) by a small amount, and a new photocurable liquid composition 26 is supplied onto the cured product 36. Then, the thin layer 38 of the photocurable liquid composition is formed again.

次いで、この薄層３８に対して、図１２（ｂ）の矢印に示したように、薄層３８の所定パターン部分に、選択的に光照射し、硬化物３６の上に、これと連続して一体的に積層するように新しい硬化物４０をさらに形成する。   Next, as shown by the arrow in FIG. 12B, the predetermined pattern portion of the thin layer 38 is selectively irradiated with light to the thin layer 38, and the thin layer 38 is continuously formed on the cured product 36. Then, a new cured product 40 is further formed so as to be laminated integrally.

そして、光照射されるパターンを変化させながら、または、変化させずに、この工程を所定回数繰り返すことにより、連続する複数層の硬化物が一体的に積層されてなる立体形状物が造形される。   Then, by repeating this step a predetermined number of times with or without changing the pattern to be irradiated with light, a three-dimensional object formed by integrally laminating a plurality of continuous cured layers is formed. .

この場合、光硬化性液状組成物に光を選択的に照射する手段としては、特に制限されるものではなく、種々の手段を採用することができる。例えば、
・レーザー光、または、レンズ、ミラー等を用いて得られた収束光等を走査させながら組成物に照射する手段、
・所定のパターンの光透過部を有するマスクを用い、このマスクを介して、非収束光を組成物に照射する手段、
・多数の光ファイバーを束ねて構成した導光部材を用い、この導光部材において、所定のパターンに対応する光ファイバーを介して、光を組成物に照射する手段、
・デジタルミラーデバイスを用いて、各ミラーを画素として、光照射のＯＮ／ＯＦＦを制御する手段、
等を採用することができる。 In this case, the means for selectively irradiating the photocurable liquid composition with light is not particularly limited, and various means can be employed. For example,
-Means for irradiating the composition while scanning laser light or convergent light obtained using a lens, mirror, etc.,
A means for irradiating the composition with non-focused light through the mask using a mask having a light transmission part of a predetermined pattern;
A means for irradiating the composition with light through an optical fiber corresponding to a predetermined pattern in the light guide member using a light guide member configured by bundling a large number of optical fibers;
-Means for controlling ON / OFF of light irradiation using each mirror as a pixel using a digital mirror device,
Etc. can be adopted.

また、マスクを用いる手段においては、マスクとして、液晶表示装置と同様の原理により、所定のパターンに従って、光透過領域と光不透過領域とよりなるマスク像を電気光学的に形成するものを用いることもできる。   In the means using a mask, a mask that electro-optically forms a mask image composed of a light transmission region and a light non-transmission region according to a predetermined pattern according to the same principle as that of a liquid crystal display device is used. You can also.

さらに、この場合、目的とする立体形状物が微細な部分を有するもの、または、高い寸法精度が要求されるものである場合には、組成物に選択的に光を照射する手段として、スポット径の小さいレーザー光を走査する手段を採用することが好ましい。   Furthermore, in this case, when the target three-dimensional object has a fine part or a high dimensional accuracy is required, the spot diameter is selectively used as a means for irradiating the composition with light. It is preferable to employ means for scanning with a small laser beam.

なお、液槽２８内に光硬化性液状組成物２６が収容されている場合、光の照射面（例え
ば、収束光の走査平面）は、光硬化性液状組成物２６の液面、透光性液槽２８の器壁４２との接触面の何れであってもよい。 In addition, when the photocurable liquid composition 26 is accommodated in the liquid tank 28, the light irradiation surface (for example, the scanning plane of the convergent light) is the liquid surface of the photocurable liquid composition 26, and the translucent property. Any of the contact surfaces with the container wall 42 of the liquid tank 28 may be sufficient.

光硬化性液状組成物２６の液面３２、または、器壁４２との接触面を光の照射面とする場合には、液槽２８の外部から直接、または、器壁４２を介して光を照射することができる。   In the case where the liquid surface 32 of the photocurable liquid composition 26 or the contact surface with the vessel wall 42 is used as the light irradiation surface, light is emitted directly from the outside of the liquid tank 28 or via the vessel wall 42. Can be irradiated.

光積層造形法においては、通常、光硬化性液状組成物２６の特定部分を硬化させた後、光の照射位置（照射面）を、既硬化部分から未硬化部分に連続的に、または、段階的に移動させることにより、硬化部分を積層させて所望の立体形状とする。   In the optical layered modeling method, usually, after a specific portion of the photocurable liquid composition 26 is cured, the light irradiation position (irradiation surface) is continuously changed from an already cured portion to an uncured portion, or in stages. The cured portions are laminated to form a desired three-dimensional shape.

ここで、照射位置の移動は、種々の方法によって行うことができ、例えば、光源、光硬化性液状組成物２６の収容液槽２８、光硬化性液状組成物２６の既硬化部分の何れかを移動させたり、収容液槽２８に光硬化性液状組成物２６を追加供給したりする等の方法が挙げられる。   Here, the irradiation position can be moved by various methods. For example, any one of a light source, a storage tank 28 for the photocurable liquid composition 26, and an already cured portion of the photocurable liquid composition 26 can be used. Examples thereof include a method of moving or additionally supplying the photocurable liquid composition 26 to the containing liquid tank 28.

なお、光硬化性液状組成物２６としては、特に限定されるものではなく、例えば、特開平１０−１６８１０６号公報、特開２００８−２５１４３６号公報および特開２００１−１２３０３５号公報などに記載の光硬化性液状組成物を用いることができる。   The photocurable liquid composition 26 is not particularly limited. For example, the light described in JP-A-10-168106, JP-A-2008-251436, JP-A-2001-123035, and the like. A curable liquid composition can be used.

このような光積層造形法を用いて、図１３に示したように、各接続部材の形状に対応するレプリカを作製すればよい。   Using such an optical layered manufacturing method, replicas corresponding to the shapes of the connection members may be produced as shown in FIG.

すなわち、図１３（ａ）に示したように、基板４４を、図示しない昇降自在な支持ステージ３０上に固定しておき、基板４４の表面４６が、光硬化性液状組成物２６の液面３２と一致するように、光硬化性液状組成物２６を収容した液槽２８内に浸漬する。   That is, as shown in FIG. 13A, the substrate 44 is fixed on a support stage 30 that is not shown, and the surface 46 of the substrate 44 is the liquid level 32 of the photocurable liquid composition 26. Is immersed in a liquid tank 28 containing the photocurable liquid composition 26 so as to coincide with the above.

次に、支持ステージ３０を、微小量降下させることにより、基板４４の表面４６を、光硬化性液状組成物２６の液面３２から微小量降下（沈降）させて、図１３（ｂ）に示したように、基板４４の表面４６上に、光硬化性液状組成物２６を供給して、光硬化性液状組成物２６の薄層３４を形成する。   Next, by lowering the support stage 30 by a minute amount, the surface 46 of the substrate 44 is lowered (sedimented) by a minute amount from the liquid level 32 of the photocurable liquid composition 26, and the result is shown in FIG. As described above, the photocurable liquid composition 26 is supplied onto the surface 46 of the substrate 44 to form the thin layer 34 of the photocurable liquid composition 26.

次いで、この薄層３４に対して、図１３（ｂ）の矢印に示したように、薄層３４の所定パターン部分に、選択的に光を照射し、光硬化性液状組成物２６の硬化物（硬化樹脂層）３６を形成する。   Next, as shown by the arrow in FIG. 13B, the thin layer 34 is selectively irradiated with light on a predetermined pattern portion of the thin layer 34, and a cured product of the photocurable liquid composition 26. A (cured resin layer) 36 is formed.

次に、図１３（ｃ）に示したように、支持ステージ３０を、さらに微小量降下させて、基板４４の表面４６を、さらに微小量降下（沈降）させて、この硬化物３６の上に、新たな光硬化性液状組成物２６を供給して、光硬化性液状組成物の薄層３８を再度形成する。   Next, as shown in FIG. 13C, the support stage 30 is further lowered by a minute amount, and the surface 46 of the substrate 44 is further lowered (settling) by a small amount so as to be placed on the cured product 36. Then, a new photocurable liquid composition 26 is supplied, and a thin layer 38 of the photocurable liquid composition is formed again.

そして、図１３（ｃ）の矢印に示したように、光の照射位置（照射面）を、既硬化部分から未硬化部分に移動させて、薄層３８の所定パターン部分に、選択的に光照射し、硬化物３６の上に、これと連続して一体的に積層するように新しい硬化物４０をさらに形成する。   Then, as shown by the arrow in FIG. 13C, the light irradiation position (irradiation surface) is moved from the already cured portion to the uncured portion, and light is selectively applied to the predetermined pattern portion of the thin layer 38. Irradiation is performed, and a new cured product 40 is further formed on the cured product 36 so as to be continuously laminated integrally therewith.

そして、同様にして、図１３（ｄ）に示したように、光照射されるパターンを変化させながら、この工程を所定回数繰り返すことにより、連続する複数層の硬化物が一体的に積層されて、図１４（ａ）示したように、接点部の基端部分がテーパー状に広がっているとともに、接点部の先端部分に極大径部が形成されている接続部材に対応する立体形状のレプリカ４８が作製される。
なお、図６に示したような、接点部２２が、基材部２０から略垂直に突設されている接続部材１４に対応する立体形状のレプリカを作製する場合には、光の照射位置（照射面）、光照射されるパターンを変化させないで、上記の工程を繰り返せばよい。 Similarly, as shown in FIG. 13 (d), by repeating this process a predetermined number of times while changing the light irradiation pattern, a plurality of continuous cured products are integrally laminated. As shown in FIG. 14A, the base end portion of the contact portion expands in a tapered shape, and the three-dimensional replica 48 corresponding to the connection member in which the maximum diameter portion is formed at the tip end portion of the contact portion. Is produced.
In the case where a three-dimensional replica corresponding to the connection member 14 in which the contact portion 22 protrudes substantially perpendicularly from the base material portion 20 as shown in FIG. Irradiation surface) The above steps may be repeated without changing the pattern irradiated with light.

なお、レプリカの作製方法は上述の記載の方法に限定されるものでなく、例えば、光硬化性液状樹脂組成物２６を、グラビア法やスクリーン印刷法により塗布し、その後光硬化する工程を繰り返すことにより形成することが可能である。
（２）成形用型作製工程
次に、レプリカ作製工程によって作製されたレプリカ４８上に、硬化樹脂を硬化させた後、レプリカ４８を取り除いて、成形用型を作製する。 Note that the replica manufacturing method is not limited to the above-described method. For example, the photocurable liquid resin composition 26 is applied by a gravure method or a screen printing method and then photocured. Can be formed.
(2) Molding mold manufacturing process Next, after hardening cured resin on the replica 48 manufactured by the replica manufacturing process, the replica 48 is removed, and a molding mold is manufactured.

すなわち、図１４（ｂ）に示したように、例えば、液状のシリコーンゴムからなる液状の硬化樹脂５０を塗布して、例えば、熱、光などによって、硬化させることによって、図１４（ｄ）に示したように、レプリカ４８上に成形用型５２を形成する。   That is, as shown in FIG. 14B, for example, a liquid curable resin 50 made of liquid silicone rubber is applied and cured by, for example, heat, light, etc. As shown, a mold 52 is formed on the replica 48.

次に、レプリカ４８を取り除いて、成形用型５２を作製すればよい。   Next, the replica 48 may be removed to produce the molding die 52.

この場合、硬化樹脂５０としては、特に限定されるものではなく、例えば、ポリブタジエン、天然ゴム、ポリイソプレン、ＳＢＲ，ＮＢＲなどの共役ジエン系ゴムおよびこれらの水素添加物、スチレンブタジエンジエンブロック共重合体、スチレンイソプレンブロック共重合体などのブロック共重合体およびこれらの水素添加物、クロロプレン、ウレタンゴム、ポリエステル系ゴム、エピクロルヒドリンゴム、シリコーンゴム、エチレンプロピレン共重合体、エチレンプロピレンジエン共重合体などが挙げられる。   In this case, the cured resin 50 is not particularly limited. For example, conjugated diene rubbers such as polybutadiene, natural rubber, polyisoprene, SBR, NBR, and hydrogenated products thereof, styrene butadiene diene block copolymer Block copolymers such as styrene isoprene block copolymer and hydrogenated products thereof, chloroprene, urethane rubber, polyester rubber, epichlorohydrin rubber, silicone rubber, ethylene propylene copolymer, ethylene propylene diene copolymer, etc. It is done.

この場合、シリコーンゴムとしては、液状シリコーンゴムを架橋または縮合したものが好ましい。液状シリコーンゴムはその粘度が歪速度１０-1ｓｅｃで１０5ポアズ以下のも
のが好ましく、縮合型、付加型、ビニル基やヒドロキシル基含有型などのいずれであってもよい。具体的にはジメチルシリコーン生ゴム、メチルビニルシリコーン生ゴム、メチルフェニルビニルシリコーン生ゴムなどを挙げることができる。これらのうちビニル基含有シリコーンゴムとしては、通常、ジメチルジクロロシランまたはジメチルジアルコキシシランを、ジメチルビニルクロロシランまたはジメチルビニルアルコキシシランの存在下において、加水分解および縮合反応させ、例えば引き続き溶解−沈澱の繰り返しによる分別を行うことにより得ることができる。
（３）導電材料層形成工程
次いで、成形用型作製工程によって作製された成形用型５２を用いて、成形用型５２の表面に導電材料層を形成して、接続部材を作製する。 In this case, the silicone rubber is preferably one obtained by crosslinking or condensing liquid silicone rubber. The liquid silicone rubber preferably has a viscosity of 10 5 poise or less at a strain rate of 10 −1 sec, and may be any of a condensation type, an addition type, a vinyl group or a hydroxyl group-containing type. Specific examples include dimethyl silicone raw rubber, methyl vinyl silicone raw rubber, methyl phenyl vinyl silicone raw rubber, and the like. Among these, as the vinyl group-containing silicone rubber, usually, dimethyldichlorosilane or dimethyldialkoxysilane is hydrolyzed and condensed in the presence of dimethylvinylchlorosilane or dimethylvinylalkoxysilane, for example, followed by repeated dissolution-precipitation. It can be obtained by carrying out fractionation.
(3) Conductive Material Layer Forming Step Next, using the molding die 52 produced by the molding die producing step, a conductive material layer is formed on the surface of the molding die 52 to produce a connection member.

すなわち、図１５（ａ）に示したように、例えば、ＣＶＤ、化学メッキ（ニッケルメッキ等）によって、電気メッキ用電極５４を、成形用型５２の表面に形成する。   That is, as shown in FIG. 15A, the electroplating electrode 54 is formed on the surface of the mold 52 by, for example, CVD or chemical plating (nickel plating or the like).

次に、電気メッキ用電極５４が表面に形成された成形用型５２を、メッキ浴に浸漬して、電気メッキ用電極５４に通電することによって、電気メッキ（ニッケルメッキ等）を行い、ニッケルメッキ層からなる導電材料層５６を形成して、接続部材５８を作製する。   Next, the molding die 52 having the electroplating electrode 54 formed on the surface is immersed in a plating bath, and the electroplating electrode 54 is energized to perform electroplating (nickel plating, etc.), and nickel plating. A conductive material layer 56 composed of layers is formed to produce the connection member 58.

なお、この場合、電気メッキによって、導電材料層５６を形成したが、これ以外にも、例えば、スパッタリング、蒸着などによっても、導電材料層５６を形成することも可能である。
（３）接続部材作製工程
最後に、図１５（ｂ）に示したように、導電材料層形成工程によって作製された接続部材５８を成形用型５２から取り外すことによって、接続部材５８を得ることができる。 In this case, the conductive material layer 56 is formed by electroplating. However, the conductive material layer 56 can also be formed by sputtering, vapor deposition, or the like.
(3) Connection member manufacturing step Finally, as shown in FIG. 15B, the connection member 58 can be obtained by removing the connection member 58 manufactured by the conductive material layer forming step from the molding die 52. it can.

この場合、成形用型５２が、上記のように、シリコーンゴムなどの弾性を有する材料から作製されている場合には、変形することができるので、接点部が、基材部から一定方向に傾斜するように突設されている接続部材であっても、また、図９に示したように、最大径部２５を有する接点部からなる接続部材であっても、接続部材５８を成形用型５２から取り外すことが容易である。   In this case, when the molding die 52 is made of an elastic material such as silicone rubber as described above, it can be deformed, so that the contact portion is inclined in a certain direction from the base material portion. Even if the connecting member is provided so as to project, or as shown in FIG. 9, even if it is a connecting member comprising a contact portion having the maximum diameter portion 25, the connecting member 58 is formed by the molding die 52. It is easy to remove from.

このような電気接続部材の製造方法によれば、基板４４上に光硬化性組成物１を硬化させて積層することによって、各接続部材の形状に対応するレプリカ４８を作製し、レプリカ４８上に、硬化樹脂５０を硬化させた後、レプリカ４８を取り除いて、成形用型５２を作製し、成形用型５２の表面に導電材料層５６を形成して、接続部材５８を作製して、接続部材５８を成形用型５２から取り外すだけで、接続部材を得ることができ、複雑な工程を経ることなく、製造コストを低減することができ、しかも、例えば、集積回路や回路基板などを相互に電気的に接続するための微細な電気接続部材を得ることができる。   According to such a method for manufacturing an electrical connection member, the photocurable composition 1 is cured and laminated on the substrate 44 to produce a replica 48 corresponding to the shape of each connection member. After the cured resin 50 is cured, the replica 48 is removed to produce the molding die 52, the conductive material layer 56 is formed on the surface of the molding die 52, the connection member 58 is produced, and the connection member By simply removing 58 from the molding die 52, a connecting member can be obtained, manufacturing costs can be reduced without going through complicated steps, and, for example, integrated circuits and circuit boards can be electrically connected to each other. It is possible to obtain a fine electrical connecting member for connection.

以上、本発明の好ましい実施の態様を説明してきたが、本発明はこれに限定されることはなく、例えば、上記実施例では、プリント回路基板６０とプリント回路基板６２とを電気的に接続するように用いたが、その他の電子部品と電子部品を電気的に接続する場合にも用いることも可能であるなど本発明の目的を逸脱しない範囲で種々の変更が可能である。   The preferred embodiment of the present invention has been described above, but the present invention is not limited to this. For example, in the above embodiment, the printed circuit board 60 and the printed circuit board 62 are electrically connected. However, various modifications can be made without departing from the object of the present invention, for example, when the electronic component is electrically connected to other electronic components.

本発明は、例えば、集積回路や回路基板などを相互に電気的に接続するための電気接続部材に適用することができる。   The present invention can be applied to, for example, an electrical connection member for electrically connecting an integrated circuit, a circuit board, and the like.

１０ 電気接続部材
１２ 一方の接続部材
１４ 他方の接続部材
１６ 基材部
１６ａ 底部
１８ 接点部
１８ａ 基端部分
１８ｂ 先端部分
１９ 極大径部
２０ 基材部
２２ 接点部
２３ 接点部
２４ 接点部
２４ｂ 先端部分
２５ 最大径部
２８ 透光性液槽
２８ 液槽
３０ 支持ステージ
３２ 液面
３４ 薄層
３６ 硬化物
３８ 薄層
４０ 硬化物
４２ 器壁
４４ 基板
４６ 表面
４８ レプリカ
５０ 硬化樹脂
５２ 成形用型
５４ 電気メッキ用電極
５６ 導電材料層
５８ 接続部材
６０ プリント回路基板
６２ プリント回路基板
１００ 電気接続部材
１１０ 第１の接点部材
１１２ 電極
１１４ 指状突起
１１６ 回路基板
１２０ 第２の接点部材
１２２ 電極
１２６ 回路基板
２００ 電気接続部材
２１０ 第１の接点部材
２１２ 電極
２１４ 第１の突起
２１６ 回路基板
２２０ 接点部材
２２２ 電極
２２４ 第２の突起
２２６ 回路基板 DESCRIPTION OF SYMBOLS 10 Electrical connection member 12 One connection member 14 The other connection member 16 Base part 16a Bottom part 18 Contact part 18a Base end part 18b Tip part 19 Maximum diameter part 20 Base part 22 Contact part 23 Contact part 24 Contact part 24b Tip part 25 Maximum diameter portion 28 Translucent liquid tank 28 Liquid tank 30 Support stage 32 Liquid surface 34 Thin layer 36 Cured product 38 Thin layer 40 Cured product 42 Wall 44 Substrate 46 Surface 48 Replica 50 Cured resin 52 Molding die 54 Electroplating Electrode 56 Conductive material layer 58 Connection member 60 Printed circuit board 62 Printed circuit board 100 Electrical connection member 110 First contact member 112 Electrode 114 Finger-shaped protrusion 116 Circuit board 120 Second contact member 122 Electrode 126 Circuit board 200 Electrical connection Member 210 First contact member 212 Electrode 214 First protrusion 216 Circuit board 220 Contact member 222 Electrode 224 Second protrusion 226 Circuit board

Claims (5)

相互に対向する接続部材を相互に嵌合することによって、電気的に接続される電気接続部材であって、
前記接続部材が、導電性の略平板状の基材部と、基材部から突設するように形成された接点部とを備え、
一方の接続部材の接点部の基端部分がテーパー状に広がっているとともに、接点部の先端部分に極大径部が形成されており、
前記一方の接続部材の接点部の基端部分の最大径が、接点部の先端部分の極大径部の最大径よりも大きいことを特徴とする電気接続部材。 An electrical connection member that is electrically connected by fitting mutually opposing connection members,
The connection member includes a conductive substantially flat base portion and a contact portion formed so as to protrude from the base portion,
While the base end portion of the contact portion of one connection member extends in a taper shape, a maximum diameter portion is formed at the tip portion of the contact portion,
An electrical connection member, wherein a maximum diameter of a base end portion of a contact portion of the one connection member is larger than a maximum diameter of a maximum diameter portion of a distal end portion of the contact portion. 前記一方の接続部材と対向する他方の接続部材の接点部の先端部分に極大径部が形成されており、
前記他方の接続部材の接点部の基端部分の最大径が、接点部の先端部分の極大径部の最大径よりも大きいことを特徴とする請求項１に記載の電気接続部材。 The maximum diameter portion is formed at the tip portion of the contact portion of the other connection member facing the one connection member,
2. The electrical connection member according to claim 1, wherein a maximum diameter of a proximal end portion of the contact portion of the other connection member is larger than a maximum diameter of a maximum diameter portion of a distal end portion of the contact portion. 前記他方の接続部材の接点部が、基材部から略垂直に突設されていることを特徴とする請求項１に記載の電気接続部材。   The electrical connection member according to claim 1, wherein the contact portion of the other connection member protrudes substantially perpendicularly from the base material portion. 請求項１から３のいずれかに記載の電気接続部材の製造方法であって、
基板上に光硬化性組成物を硬化させることによって、各接続部材の形状に対応するレプリカを作製するレプリカ作製工程と、
前記レプリカを型枠に、レプリカ表面上に硬化性樹脂を硬化させた後、前記レプリカを取り除いて、硬化性樹脂組成物からなる成形用型を作製する成形用型作製工程と、
前記成形用型を用いて、成形用型の表面に導電材料層を形成して、接続部材を作製する導電材料層形成工程と、
前記接続部材を成形用型から取り外して、接続部材を得る接続部材作製工程と、
を備えることを特徴とする電気接続部材の製造方法。 It is a manufacturing method of the electrical connection member according to any one of claims 1 to 3,
Replica production step of producing a replica corresponding to the shape of each connection member by curing the photocurable composition on the substrate;
The mold is made into a mold, and after the curable resin is cured on the replica surface, the replica is removed, and a molding mold producing step for producing a molding die made of the curable resin composition;
Using the molding die, a conductive material layer forming step of forming a conductive material layer on the surface of the molding die to produce a connection member;
Removing the connection member from the molding die and obtaining a connection member;
A method for producing an electrical connection member, comprising: 前記レプリカ作製工程において、液体状の光硬化性組成物を収容した液槽に、基板を沈降させて、光を所定パターンに照射して、光硬化性組成物を硬化させるサイクルを繰り返すことによって、基板上に光硬化性組成物を形成し、レプリカを作製することを特徴とする請求項４に記載の電気接続部材の製造方法。   In the replica preparation step, by repeating a cycle of setting the substrate in a liquid tank containing the liquid photocurable composition, irradiating the predetermined pattern with light, and curing the photocurable composition. The method for producing an electrical connection member according to claim 4, wherein a replica is produced by forming a photocurable composition on a substrate.
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