JPH0649994U - Vertical probe card - Google Patents

Vertical probe card

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Publication number
JPH0649994U
JPH0649994U JP8009092U JP8009092U JPH0649994U JP H0649994 U JPH0649994 U JP H0649994U JP 8009092 U JP8009092 U JP 8009092U JP 8009092 U JP8009092 U JP 8009092U JP H0649994 U JPH0649994 U JP H0649994U
Authority
JP
Japan
Prior art keywords
contact
probe card
insulating plate
vertical probe
needles
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP8009092U
Other languages
Japanese (ja)
Inventor
静江 深道
雅晴 大井
Original Assignee
有限会社テクノプローブ
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 有限会社テクノプローブ filed Critical 有限会社テクノプローブ
Priority to JP8009092U priority Critical patent/JPH0649994U/en
Publication of JPH0649994U publication Critical patent/JPH0649994U/en
Pending legal-status Critical Current

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  • Measuring Leads Or Probes (AREA)
  • Testing Or Measuring Of Semiconductors Or The Like (AREA)

Abstract

(57)【要約】 【目的】 試験を行なう電極パッドの個数が増加しても
対応可能なプローブカードを提供する。 【構成】 接触針51は電極パッド47の最小配列ピッ
チを超えない直径なので、高密度に並置することができ
る。試験を行なうにあたり、プローブカード41の先端
53を電極パッド47に圧接すると接触針51は、第1
絶縁板43のガイド孔49に沿って摺動しながら弾性変
形する。接触針51は、あらかじめ湾曲部65が設けて
あり、弾性変形は、あらかじめ設けた湾曲部65に方向
付けられ、大きな変位量に対しても、隣接する接触針同
士の接触は避けられる。
(57) [Abstract] [Purpose] To provide a probe card which can cope with an increase in the number of electrode pads to be tested. [Constitution] Since the contact needles 51 have a diameter that does not exceed the minimum arrangement pitch of the electrode pads 47, they can be arranged side by side at a high density. In performing the test, when the tip 53 of the probe card 41 is pressed against the electrode pad 47, the contact needle 51 moves to the first position.
It elastically deforms while sliding along the guide hole 49 of the insulating plate 43. The contact needle 51 is provided with a curved portion 65 in advance, and elastic deformation is directed to the curved portion 65 provided in advance, so that contact between adjacent contact needles can be avoided even with a large displacement amount.

Description

【考案の詳細な説明】[Detailed description of the device]

【0001】[0001]

【産業上の利用分野】[Industrial applications]

本考案は、ICウェーハや液晶基板等の電子部品の電気的特性を試験するプロ ーブカードに係わり、より具体的には、ICウェーハや液晶基板等の外部端子と の接続用電極パッドに接触針を接触させて電圧/電流を印加して試験を実施する プローブカードに関するものである。 The present invention relates to a probe card for testing the electrical characteristics of electronic components such as IC wafers and liquid crystal substrates. More specifically, a contact needle is attached to an electrode pad for connection with an external terminal such as an IC wafer or liquid crystal substrate. The present invention relates to a probe card in which a test is performed by contacting and applying a voltage / current.

【0002】[0002]

【従来の技術】[Prior art]

ICウェーハや液晶基板等の電子部品は完成品にする前に、電気的特性の試験 を実施して良品と不良品との判別をしている。この試験を行なうにあたっては、 ICウェーハや液晶基板等の接続用電極パッドに接触させて電圧/電流を印加す るための接触針が必要とされる。図5に従来のプローブカードを示す。図5(a )に平面図で示したように、従来の接触針501,…,501の場合、接触針の 根元の直径に対して電子部品の電極パッド502,…,502の間隔が狭いため 、接触針501は先端部503にテーパ加工が施され、この先端付近を中心とし て扇状に配列されている。 Electronic components such as IC wafers and liquid crystal substrates are tested for electrical characteristics to determine whether they are nondefective or defective before they are completed. In carrying out this test, a contact needle for applying a voltage / current by contacting with an electrode pad for connection such as an IC wafer or a liquid crystal substrate is required. FIG. 5 shows a conventional probe card. As shown in the plan view of FIG. 5A, in the case of the conventional contact needles 501, ..., 501, the distance between the electrode pads 502 ,. The contact needle 501 has a tip portion 503 tapered, and is arranged in a fan shape around the tip.

【0003】 また、図5(b)に側面図で示したように、接触針501は、先端から3〜7 mmのところが接着剤504によってプリント基板505に固定されるとともに、 接触針501の後端部506がプリント基板505のパターン507にはんだ付 けされて電気的な接続が行なわれている。このように構成されたものは、一般に プローブカードといわれるもので、図中では総体的に符号508で示されている 。Further, as shown in a side view in FIG. 5B, the contact needle 501 is fixed to the printed circuit board 505 with an adhesive 504 at a position 3 to 7 mm from the tip, and after the contact needle 501. The end portion 506 is soldered to the pattern 507 of the printed circuit board 505 to make an electrical connection. Such a structure is generally called a probe card, and is generally indicated by reference numeral 508 in the figure.

【0004】 試験を行なうときは、X−Yテーブル509上に固定された電子部品510を プローブカード508に対して平行を保ちつつ接近させ、接触針501と電極パ ッド502とを接触状態において電気的に導通させる。When performing the test, the electronic component 510 fixed on the XY table 509 is brought close to the probe card 508 while keeping the parallel, and the contact needle 501 and the electrode pad 502 are brought into contact with each other. Make it electrically conductive.

【0005】[0005]

【考案が解決しようとする課題】[Problems to be solved by the device]

しかしながら、接触針501が扇状に配列されているので、1直線上に配列さ れる電極パッド502の本数が多くなると、扇の後端部506が広がりすぎて配 列不能となるため、配列する接触針501の本数が制限されてしまう。従って、 ICがますます多ピン化の傾向にあるのに反して、一度に検査可能な電極パッド 502の個数が増加できないため、検査効率は向上しない。 However, since the contact needles 501 are arranged in a fan shape, when the number of the electrode pads 502 arranged in one straight line increases, the rear end portion 506 of the fan becomes too wide to be arranged, and thus the arranged contacts are arranged. The number of needles 501 is limited. Therefore, although the number of pins of the IC tends to increase, the number of electrode pads 502 that can be inspected at one time cannot be increased, so that the inspection efficiency cannot be improved.

【0006】 また、接触針501と電極パッド502との間の接触抵抗を少なくするため、 試験は接触針501の全数が各々の電極パッド502に接触してからさらに圧接 されるように接触針501と電極パッド502とを接近させて行なうが、この接 触からさらに圧接に至る接触針501の先端の移動量は、0.1〜0.15mm程 度の極めて僅かなものであり、これ以上移動させて圧接すると接触針501の先 端部分に永久変形もしくは破損を招くことになる。In addition, in order to reduce the contact resistance between the contact needles 501 and the electrode pads 502, the test is performed so that the total number of the contact needles 501 contact each electrode pad 502 and then are further pressed. And the electrode pad 502 are brought close to each other, but the amount of movement of the tip of the contact needle 501 from this contact to the further pressure contact is an extremely small amount of about 0.1 to 0.15 mm, and further movement is required. If they are pressed and contacted, the tip portion of the contact needle 501 will be permanently deformed or damaged.

【0007】 このため、例えば液晶パネルのように電子部品の面積が大きくなるとプローブ カード508と電子部品510間の平行度の微妙な誤差によって、接触不能また は接触不完全な接触針が出てくる可能性が存在する。このような場合は検査が成 立しないから、不十分な接触針を無理に接触させることになる。しかしながら、 既に圧接状態にある接触針が過度の移動を強制されて損傷を受け、爾後の使用に 耐えなくなることは十分に考えられる。Therefore, for example, when the area of an electronic component becomes large like a liquid crystal panel, a contact needle that cannot be contacted or is incompletely comes out due to a slight error in parallelism between the probe card 508 and the electronic component 510. There is a possibility. In such a case, the inspection will not be successful, and the insufficient contact needle will be forced to contact. However, it is highly conceivable that the contact needle that is already in the pressure contact state will be forced to move excessively and will be damaged, making it unusable for future use.

【0008】 このように、従来のプローブカードの構造では、接触針の本数や接触可能な面 積または長さに限界があって、小数ピンのICでも多数個を同時に測定すること は無理であり、また500〜1000ピンを備えた多数ピンのICの測定や面積 の大きな液晶基板の一括測定は困難であった。このため、従来これらの測定は、 分割して行なわれていた。As described above, in the structure of the conventional probe card, the number of contact needles and the area or length of the contact needle are limited, and it is impossible to simultaneously measure a large number of ICs with a small number of pins. Moreover, it has been difficult to measure an IC having a large number of pins including 500 to 1000 pins and a batch measurement of a liquid crystal substrate having a large area. Therefore, conventionally, these measurements have been performed separately.

【0009】 本考案の目的は、試験を行なう電極パッドの個数が増加しても対応可能であり 、接触針の圧接移動量が1mm以上あって、従来の構造ではカバーできなかった平 行度の誤差も十分に許容でき、接触針の全数を適正な接触に至らしめることが可 能なプローブカードを提供することである。The object of the present invention is to cope with an increase in the number of electrode pads to be tested, and because the contact needle movement amount is 1 mm or more, the flatness which cannot be covered by the conventional structure can be achieved. It is an object of the present invention to provide a probe card that can sufficiently allow an error and can bring all the contact needles into proper contact.

【0010】[0010]

【課題を解決するための手段】[Means for Solving the Problems]

上記の目的を達成するために、本考案の縦型プローブカードは、複数の接触針 を接続用電極パッドの最小配列ピッチを超えない直径の硬質導電線材で構成し、 それぞれの先端を同一平面上に整列させる。また、電極パッドに相対する第1絶 縁板を設け、検査に係わる電極パッドの配置パターンに対応させて、これら接触 針の各先端側を個々に貫通させて摺動可能に嵌装するガイド孔群を穿設する。さ らに、この第1絶縁板から離間した位置に第2絶縁板を設け、前記接触針の接触 端部と反対側の後端部を個別に貫通状態に挿通して固定するガイド孔群を穿設す る。このような第1絶縁板と第2絶縁板との間に跨設される各接触針の部分をそ れぞれ互いに接触しないように湾曲させる。 In order to achieve the above object, the vertical probe card of the present invention comprises a plurality of contact needles made of hard conductive wire having a diameter that does not exceed the minimum arrangement pitch of the connecting electrode pads, and the tips of the contact needles are on the same plane. To align. Also, a first insulating plate facing the electrode pad is provided, and corresponding to the arrangement pattern of the electrode pad related to the inspection, the tip end side of each of these contact needles is individually penetrated to be slidably fitted into the guide hole. Drill a group. Furthermore, a second insulating plate is provided at a position separated from the first insulating plate, and a guide hole group for individually inserting and fixing the rear end portion of the contact needle opposite to the contact end portion in a penetrating state is provided. Make a hole. The portions of the contact needles that are laid across between the first insulating plate and the second insulating plate are curved so as not to come into contact with each other.

【0011】 また、各接触針の湾曲部は、いずれも各個に1/4円周に沿わせて各接触針の 先端部および後端部をこの1/4円周の両端における接線の延長上に延在させ、 この接線上に第1および第2の絶縁板に設けた各ガイド孔を配置して、その内側 に向いた開口がいずれも円周と接線との接点の近傍でこの接点から等距離に位置 するようにするとよい。In addition, the curved portion of each contact needle is arranged along the ¼ circle for each piece, and the front end portion and the rear end portion of each contact needle are extended on the tangent line at both ends of the ¼ circle. The guide holes provided on the first and second insulating plates are arranged on this tangent line, and the openings facing inward are all near the contact point between the circumference and the tangent line. It is good practice to be equidistant.

【0012】 さらに、各接触針を構成する硬質導電線材は絶縁被覆することが好ましい。Further, it is preferable that the hard conductive wire material forming each contact needle is coated with an insulating material.

【0013】[0013]

【作用】[Action]

このように構成されたものにおいては、接触針は接続用電極パッドの最小配列 ピッチを超えない直径であるので、それぞれの先端を同一平面上に整列させた場 合、高密度に並置することができる。試験を行なうにあたり、プローブカードは 、接触針先端部の軸線方向が接続用電極パッド面と垂直になるようにして、軸線 に沿って電極パッドに近接させていき、先端を電極パッドに接触させたのち、さ らに圧接するように同じ方向に移動させる。接触針は細い硬質導電線材で構成さ れているから、弾性を備えており、この圧接移動によって第1絶縁板のガイド孔 に沿って摺動しながら弾性変形を生じる。 In such a structure, since the contact needles have a diameter that does not exceed the minimum arrangement pitch of the connecting electrode pads, when the tips of the contact needles are aligned on the same plane, it is possible to arrange them in high density. it can. In conducting the test, the probe card was brought into contact with the electrode pad along the axis so that the axis of the contact needle tip was perpendicular to the connecting electrode pad surface, and the tip was brought into contact with the electrode pad. After that, move them in the same direction so that they are pressed against each other. Since the contact needle is composed of a thin hard conductive wire, it has elasticity, and this contact movement causes elastic deformation while sliding along the guide hole of the first insulating plate.

【0014】 しかしながら、接触針は、第1絶縁板と第2絶縁板との間に跨設された部分に 、あらかじめ湾曲部を設けて変形させてあり、接触針の後端は固定されているの で、さらなる弾性変形は、湾曲の曲率を小さくする凸側のみへの変位となって現 れる。このように、あらかじめ湾曲部を設けたことで変形が1方向のみに方向付 けられるため、大きな変位量に対しても、高密度に並置されて隣接する接触針同 士が互いに接触することは回避できる。また湾曲の曲率および/または曲げ角度 を変えることによって、用途に応じた圧接力を得ることができる。However, the contact needle is deformed by previously providing a curved portion in a portion bridging between the first insulating plate and the second insulating plate, and the rear end of the contact needle is fixed. Therefore, further elastic deformation appears as displacement only on the convex side that reduces the curvature of the curvature. In this way, since the deformation is directed only in one direction by providing the curved portion in advance, it is possible that adjacent contact needles arranged side by side with high density will contact each other even with a large displacement amount. It can be avoided. Also, by changing the curvature of the curve and / or the bending angle, it is possible to obtain a pressure contact force according to the application.

【0015】 また、各接触針は、個別に1/4円周に沿って湾曲させ、接触針の先端部およ び後端部をこの1/4円周の両端における接線の延長上に延在させて、直交させ て設けた第1および第2の絶縁板に穿設されている各ガイド孔に挿通すると、曲 げ角度は90゜となる。このとき内側に向いたガイド孔の開口を円周と接線との 接点の近傍でこの接点から等距離に位置させる。すなわち第1および第2の絶縁 板の対応するガイド孔の軸線は、互いに垂直な位置関係となる。これにより、圧 接時の変位は接線に沿って無理なく行なわれ、変位量を大きくとることができる 。このことはまた、変位量に対する圧接力の変動を少なくするので、適正な圧接 力のもとでの平行度に対する精度を緩和することができる。Further, each contact needle is individually curved along a ¼ circle, and the front end portion and the rear end portion of the contact needle extend on the extension of the tangent line at both ends of the ¼ circle. The bending angle becomes 90 ° when inserted into the guide holes formed in the first and second insulating plates that are provided so as to be orthogonal to each other. At this time, the opening of the guide hole facing inward is located near the contact point between the circumference and the tangent line and equidistant from this contact point. That is, the axes of the corresponding guide holes of the first and second insulating plates are in a mutually perpendicular positional relationship. As a result, the displacement at the time of pressing can be reasonably performed along the tangent line, and a large displacement amount can be obtained. This also reduces the fluctuation of the pressure contact force with respect to the amount of displacement, so that the accuracy with respect to the parallelism under an appropriate pressure contact force can be relaxed.

【0016】 さらに、各接触針を構成する硬質導電線材は絶縁被覆することによって、各接 触針同士間でのショートおよびリークをなくし信頼性を向上させることができる 。Further, by coating the hard conductive wire material forming each contact needle with an insulating material, it is possible to eliminate short-circuits and leaks between the contact needles and improve reliability.

【0017】[0017]

【実施例】【Example】

以下、本考案の実施例を図に基づいて説明する。図1(a)は本考案に係わる 縦型プローブカードの第1実施例を説明する概略の正面図で、図1(b)はその 側面図であり、いずれも拡大して図示されている。10は、ICウェーハ等の電 子部品で、12,…,12は電子部品上に設けられた接続用電極パッドである。 14,…,14は、本考案に係わる縦型プローブカード16の接触針であって、 接続用電極パッド12の最小配列ピッチを超えない直径の硬質導電線材で構成し 、電極パッド12,…,12に対応させて平行に必要本数だけ配設してある。 An embodiment of the present invention will be described below with reference to the drawings. FIG. 1 (a) is a schematic front view illustrating a first embodiment of a vertical probe card according to the present invention, and FIG. 1 (b) is a side view thereof, both of which are shown enlarged. Reference numeral 10 is an electronic component such as an IC wafer, and 12, ..., 12 are connection electrode pads provided on the electronic component. 14, 14 are contact needles of the vertical probe card 16 according to the present invention, which are made of hard conductive wire having a diameter not exceeding the minimum arrangement pitch of the connecting electrode pads 12, and the electrode pads 12 ,. Corresponding to 12, the necessary number is arranged in parallel.

【0018】 18は第1絶縁板で、電極パッド12のパターンに合わせてガイド孔群20を 穿設し、接触針14の先端部22を貫通させて摺動自在に嵌装している。全接触 針14は、先端部22の各主軸が対向する各電極パッド12の面に垂直になるよ うに正対させ、先端24,…,24を一線に揃えて設置する。26は第2絶縁板 で、接触針の後端部28,…,28を挿通するガイド孔群30が穿設されている 。接触針の後端部28,…,28は、ガイド孔群30に挿通されたのち、接着剤 32,…,32で第2絶縁板26に固定され、図示しないカード基板に配線され る。第1絶縁板18と第2絶縁板26はスペーサ27によって離間して支持され ている。Reference numeral 18 denotes a first insulating plate, which is formed with guide hole groups 20 in accordance with the pattern of the electrode pads 12 and is slidably fitted by penetrating the tip 22 of the contact needle 14. The all-contact needles 14 are arranged so that the main axes of the tip portions 22 are perpendicular to the surfaces of the electrode pads 12 that face each other, and the tips 24, ..., 24 are arranged in line. Reference numeral 26 is a second insulating plate having a guide hole group 30 for inserting the rear end portions 28, ..., 28 of the contact needles. The rear ends 28, ..., 28 of the contact needles are inserted into the guide hole group 30 and then fixed to the second insulating plate 26 with adhesives 32 ,. The first insulating plate 18 and the second insulating plate 26 are spaced apart and supported by a spacer 27.

【0019】 図1(b)に示されるように、第1絶縁板18と第2絶縁板26との間におい て、接触針14には2点鎖線で示した円34の弧に沿って湾曲部36が付与され ている。縦型プローブカード16を移動して、接触針の先端24を電極パッド1 2の面に圧接すると、接触針の後端部28は固定されているので、先端24は図 中上方に移動する。このため接触針14は、符号38の2点鎖線で誇張して示し たように、湾曲部36が凸方向にさらに弾性変形することになる。この弾性変形 によって蓄勢された弾性力が接触針の先端24と電極パッド12との間に接触圧 を付勢する。As shown in FIG. 1B, the contact needle 14 is curved between the first insulating plate 18 and the second insulating plate 26 along an arc of a circle 34 indicated by a two-dot chain line. Part 36 is provided. When the vertical probe card 16 is moved and the tip 24 of the contact needle is pressed against the surface of the electrode pad 12, the rear end 28 of the contact needle is fixed, so the tip 24 moves upward in the figure. For this reason, in the contact needle 14, the curved portion 36 is further elastically deformed in the convex direction, as exaggeratedly shown by the two-dot chain line 38. The elastic force accumulated by this elastic deformation urges a contact pressure between the tip 24 of the contact needle and the electrode pad 12.

【0020】 この場合の作用力は、接触針の殆ど軸方向に作用するので挫屈に近い弾性変形 となって大きな応力となり、高い接触圧を得ることができる。しかしながら、こ の弾性変形は、接触針が湾曲部を含めて画定する平面、すなわち図1(b)に図 示されている紙面内での変形に止まり、紙面より外へ逸れることはないから、こ の弾性変形で隣接する接触針14同士が接触することはない。図1(c)に、比 較的高い接触圧を得る第1実施例の別の形態を部分的に斜視図で示す。図面中共 通するものには同一の符号が付してある。この場合の作用も図1(b)に図示し たものと本質的には変らないので説明は省略する。Since the acting force in this case acts almost in the axial direction of the contact needle, elastic deformation close to buckling causes a large stress and a high contact pressure can be obtained. However, this elastic deformation is limited to the deformation within the plane defined by the contact needle including the curved portion, that is, the plane shown in FIG. 1 (b), and does not deviate from the plane of the paper. Due to this elastic deformation, the adjacent contact needles 14 do not come into contact with each other. FIG. 1C is a partial perspective view showing another form of the first embodiment for obtaining a relatively high contact pressure. The same reference numerals are attached to the same components in the drawings. Since the operation in this case is essentially the same as that shown in FIG. 1 (b), description thereof will be omitted.

【0021】 図2は、本考案に係わる縦型プローブカードの第2実施例の斜視図で、図3に その側面図が示される。41は本考案に係わる第2実施例の縦型プローブカード である。この場合、第1絶縁板43と第2絶縁板45は直角に結合される。第1 絶縁板43には第1実施例同様に電極パッド47,…,47のパターンに合わせ てガイド孔群49を穿設し、接触針51,…,51の先端部53を貫通させて摺 動自在に嵌装している。また第2絶縁板45も第1実施例同様に各接触針51の 後端部57を挿通するガイド孔群59が穿設されている。ガイド孔59に挿通さ れた各接触針51の後端部57は接着剤61によって第2絶縁板45に固定され 、図示しないカード基板に配線される。FIG. 2 is a perspective view of a second embodiment of the vertical probe card according to the present invention, and a side view thereof is shown in FIG. Reference numeral 41 is a vertical probe card according to the second embodiment of the present invention. In this case, the first insulating plate 43 and the second insulating plate 45 are connected at a right angle. Similarly to the first embodiment, the first insulating plate 43 is provided with a group of guide holes 49 in accordance with the pattern of the electrode pads 47, ..., 47, and the tip portions 53 of the contact needles 51 ,. It is fitted freely. The second insulating plate 45 is also formed with a guide hole group 59 through which the rear end portion 57 of each contact needle 51 is inserted as in the first embodiment. The rear end portion 57 of each contact needle 51 inserted through the guide hole 59 is fixed to the second insulating plate 45 with an adhesive 61 and is wired to a card substrate (not shown).

【0022】 各接触針51,…,51は、個別に図3に2点鎖線で示してある円63の1/ 4円周に沿って湾曲部65を設け、接触針51の先端部53および後端部57を この1/4円周の両端における接線67,69の延長上に延在させるようにする 。このとき対応するガイド孔49,59の対向面側の開口71,73が円周と接 線との接点75,77の近傍でこの接点75,77から等距離に位置するように する。第1および第2の絶縁板の対応するガイド孔の軸線は互いに垂直な位置関 係にある。これにより、圧接時における先端部53の微小変位は接線67に沿っ て無理なく行なわれ、変位量を大きくとることができる。この場合の弾性変形も 第1実施例同様に、あらかじめ付与した湾曲部65によって方向付けられるので 、接触針51同士が接触することはない。Each of the contact needles 51, ..., 51 is individually provided with a curved portion 65 along a quarter circle of a circle 63 indicated by a two-dot chain line in FIG. The rear end portion 57 is made to extend on the extension of the tangent lines 67 and 69 at both ends of this quarter circle. At this time, the openings 71, 73 on the opposite surface side of the corresponding guide holes 49, 59 are located in the vicinity of the contact points 75, 77 between the circumference and the tangent line and equidistant from the contact points 75, 77. The axes of the corresponding guide holes of the first and second insulating plates are perpendicular to each other. As a result, the minute displacement of the tip portion 53 at the time of pressure contact is reasonably performed along the tangent line 67, and the displacement amount can be made large. The elastic deformation in this case is also directed by the curved portion 65 provided in advance as in the first embodiment, so that the contact needles 51 do not come into contact with each other.

【0023】 この第2実施例では、変位量に対する圧接力の変動が少ないので、適正な圧接 力のもとでの平行度に対する精度を緩和することができる。図4は、例えば液晶 パネルのように接続端子としての電極パッドを備えたICが長手方向に配列され ているパターンに対応させて、第2実施例の縦型プローブカードが適用できるこ とを例示したものである。80は液晶パネルのような電子部品でIC82,…, 82が数箇所に分れて搭載されている。これに対して本考案に係わる第2実施例 の縦型プローブカード41,…,41をIC82に対応させて配置することがで きる。接触針51の変位量が大きくとれるので、平行度に対する誤差は十分吸収 でき、適正な接触圧のもとでIC82の電極パッド84,…,84と接触針51 ,…,51の先端部53,…,53全部を無理なく接触させて試験を行なうこと ができる。In the second embodiment, since the fluctuation of the pressure contact force with respect to the displacement amount is small, the accuracy with respect to the parallelism under the proper pressure contact force can be relaxed. FIG. 4 illustrates that the vertical probe card of the second embodiment can be applied to a pattern in which ICs having electrode pads as connection terminals are arranged in the longitudinal direction, such as a liquid crystal panel. It was done. Reference numeral 80 denotes an electronic component such as a liquid crystal panel, on which ICs 82, ... On the other hand, the vertical probe cards 41, ..., 41 of the second embodiment according to the present invention can be arranged corresponding to the IC 82. Since the displacement of the contact needle 51 can be large, the error with respect to the parallelism can be sufficiently absorbed, and the electrode pads 84, ..., 84 of the IC 82 and the tip portion 53 of the contact needle 51 ,. The test can be performed by contacting all 53 easily.

【0024】[0024]

【考案の効果】[Effect of device]

以上説明した通り、本考案の縦型プローブカードによれば、接触針は接続用電 極パッドの最小配列ピッチを超えない直径であり、しかもあらかじめ与えた湾曲 部を含む面内でしか弾性変形せず、側方へ振れることがないので、圧着のための 移動によって隣接する接触針同士が接触することがない。 As described above, according to the vertical probe card of the present invention, the contact needle has a diameter that does not exceed the minimum arrangement pitch of the connecting electrode pads, and is elastically deformable only within a plane that includes a predetermined curved portion. Moreover, since it does not swing to the side, adjacent contact needles do not come into contact with each other due to the movement for crimping.

【0025】 このことにより、接触針は高密度に並置することができるので、本考案の縦型 プローブカードはきわめてコンパクトに構成できる。また、圧接移動量が大きく とれるので、電極パッドと接触針の先端との多少の平行度の誤差は許容でき、接 触針の全数を容易に電極パッドに接触させることができる。その結果、縦型プロ ーブカードの配列を直線的に延長して、小数ピンのICを多数個を同時に測定し たり、また500〜1000ピン以上を備えた多数ピンのICの測定や面積の大 きな液晶基板の一括測定を行なうことが可能となる。As a result, the contact needles can be arranged in high density side by side, so that the vertical probe card of the present invention can be made extremely compact. Further, since a large amount of press contact movement can be obtained, a slight parallelism error between the electrode pad and the tip of the contact needle can be tolerated, and all the contact needles can be easily brought into contact with the electrode pad. As a result, the vertical probe card array is extended linearly to measure a large number of ICs with a small number of pins at the same time, or to measure an IC with a large number of pins with 500 to 1000 pins or more, and a large area. It is possible to collectively measure various liquid crystal substrates.

【0026】 さらに湾曲の曲率および/または曲げ角度を変えることによって、用途に応じ た接触圧を得ることができ、また各接触針に絶縁被覆線を使用して各接触針同士 間でのショートおよびリークをなくすことで信頼性が向上できる。しかも、接触 針としてテーパ付の特殊なものを必要としないので、用途に応じての加工やパタ ーンの変更が容易で、低価格で製造できる。Further, by changing the curvature and / or the bending angle of the curvature, it is possible to obtain a contact pressure according to the application, and by using an insulating coated wire for each contact needle, a short circuit between each contact needle and Reliability can be improved by eliminating leaks. Moreover, since no special tapered needle is required for the contact needle, it is easy to process and change the pattern according to the application, and it can be manufactured at low cost.

【図面の簡単な説明】[Brief description of drawings]

【図1】本考案に係わる縦型プローブカードの第1実施
例であって、(a)は正面図、(b)は側面図、(c)
は第1実施例の別の形態の1部を略示する斜視図であ
る。
1 is a first embodiment of a vertical probe card according to the present invention, (a) is a front view, (b) is a side view, (c).
FIG. 7 is a perspective view schematically showing a part of another embodiment of the first embodiment.

【図2】本考案に係わる縦型プローブカードの第2実施
例の斜視図である。
FIG. 2 is a perspective view of a vertical probe card according to a second embodiment of the present invention.

【図3】本考案に係わる縦型プローブカードの第2実施
例の側面図である。
FIG. 3 is a side view of a vertical probe card according to a second embodiment of the present invention.

【図4】本考案に係わる縦型プローブカードの第2実施
例の適用例を示す正面図である。
FIG. 4 is a front view showing an application example of the second embodiment of the vertical probe card according to the present invention.

【図5】従来のプローブカードの1例を図示したもの
で、(a)は平面図、(b)は接触針部分を部分的に示
す側面図である。
5A and 5B show an example of a conventional probe card, FIG. 5A is a plan view, and FIG. 5B is a side view partially showing a contact needle portion.

【符号の説明】[Explanation of symbols]

10 電子部品 12 電極パッド 14 接触針 16 縦型プローブカード 18 第1絶縁板 20 ガイド孔群(ガイド孔) 22 先端部 24 先端 26 第2絶縁板 28 後端部 30 ガイド孔群(ガイド孔) 32 接着剤 36 湾曲部 DESCRIPTION OF SYMBOLS 10 Electronic parts 12 Electrode pad 14 Contact needle 16 Vertical probe card 18 First insulating plate 20 Guide hole group (guide hole) 22 Tip part 24 Tip 26 Second insulating plate 28 Rear end 30 Guide hole group (guide hole) 32 Adhesive 36 Curved part

Claims (3)

【実用新案登録請求の範囲】[Scope of utility model registration request] 【請求項1】 接続用電極パッドの最小配列ピッチを超
えない直径の硬質導電線材からなり、それぞれの先端が
同一平面上に整列されている複数の接触針と、これらの
接触針の前記各先端側を個々に貫通させて摺動可能に嵌
装するガイド孔群が検査に係わる電極パッドの配置パタ
ーンに対応させて穿設され、電極パッドに相対する第1
絶縁板と、この第1絶縁板から離間した位置に設けら
れ、前記接触針の先端と反対側の後端部を個別に貫通状
態に挿通して固定するガイド孔群を穿設した第2絶縁板
とからなり、前記第1絶縁板と第2絶縁板との間に跨設
される各接触針の部分それぞれに互いに接触しないよう
に湾曲部を設けた縦型プローブカード。
1. A plurality of contact needles each made of a hard conductive wire having a diameter not exceeding a minimum arrangement pitch of connection electrode pads, each of which has its tips aligned on the same plane, and each of the tips of the contact needles. A guide hole group that slidably fits through each side is formed corresponding to the arrangement pattern of the electrode pads related to the inspection, and the first guide hole faces the electrode pads.
An insulating plate and a second insulating hole provided at a position apart from the first insulating plate and having a group of guide holes for individually inserting and fixing the rear end portion of the contact needle opposite to the tip end thereof in a penetrating state. A vertical probe card comprising a plate and curved portions provided so as not to come into contact with each other of respective contact needle portions which are provided between the first insulating plate and the second insulating plate.
【請求項2】 前記接触針の湾曲部は、いずれも各個に
1/4円周に沿っており、前記先端部および後端部がこ
の1/4円周の両端における接線の延長上にあって、前
記第1および第2の絶縁板に設けた各ガイド孔が接線上
に配置され、その内側に面する開口がいずれも円周と接
線との接点の近傍で、この接点から等距離に位置するよ
うにした請求項1記載の縦型プローブカード。
2. The curved portions of the contact needles are each along a ¼ circle, and the front end portion and the rear end portion are on the extension of a tangent line at both ends of the ¼ circle. The guide holes provided in the first and second insulating plates are arranged on the tangent line, and the openings facing the inside are both near the contact point between the circumference and the tangent line and equidistant from this contact point. The vertical probe card according to claim 1, wherein the vertical probe card is positioned.
【請求項3】 前記硬質導電線材が絶縁被覆されている
請求項1又は2記載の縦型プローブカード。
3. The vertical probe card according to claim 1, wherein the hard conductive wire is covered with an insulating material.
JP8009092U 1992-11-20 1992-11-20 Vertical probe card Pending JPH0649994U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8009092U JPH0649994U (en) 1992-11-20 1992-11-20 Vertical probe card

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8009092U JPH0649994U (en) 1992-11-20 1992-11-20 Vertical probe card

Publications (1)

Publication Number Publication Date
JPH0649994U true JPH0649994U (en) 1994-07-08

Family

ID=13708506

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8009092U Pending JPH0649994U (en) 1992-11-20 1992-11-20 Vertical probe card

Country Status (1)

Country Link
JP (1) JPH0649994U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005055343A (en) * 2003-08-06 2005-03-03 Tokyo Cathode Laboratory Co Ltd Probe device for flat-panel display inspection

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5040550U (en) * 1973-08-04 1975-04-24
JPS5948450A (en) * 1982-08-07 1984-03-19 バスフ アクチェン ゲゼルシャフト Novel oxamide acid derivative, manufacture and medicine
JPS6435382A (en) * 1987-07-31 1989-02-06 Tokyo Electron Ltd Probe card

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5040550U (en) * 1973-08-04 1975-04-24
JPS5948450A (en) * 1982-08-07 1984-03-19 バスフ アクチェン ゲゼルシャフト Novel oxamide acid derivative, manufacture and medicine
JPS6435382A (en) * 1987-07-31 1989-02-06 Tokyo Electron Ltd Probe card

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005055343A (en) * 2003-08-06 2005-03-03 Tokyo Cathode Laboratory Co Ltd Probe device for flat-panel display inspection

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