JP2007305656A - Coil member - Google Patents

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JP2007305656A
JP2007305656A JP2006130126A JP2006130126A JP2007305656A JP 2007305656 A JP2007305656 A JP 2007305656A JP 2006130126 A JP2006130126 A JP 2006130126A JP 2006130126 A JP2006130126 A JP 2006130126A JP 2007305656 A JP2007305656 A JP 2007305656A
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linear portion
flexible substrate
linear
coil member
initial state
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Masatoshi Mitomi
政利 三富
Akira Oikawa
昭 及川
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Sumitomo Bakelite Co Ltd
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Sumitomo Bakelite Co Ltd
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Abstract

<P>PROBLEM TO BE SOLVED: To provide a coil member of various profiles which can be produced from a flexible substrate of fixed form while minimizing waste when a flexible substrate is cut out from a substrate sheet. <P>SOLUTION: An annular flexible substrate 210 under initial state having a cut 218 consisting of a slit or an opening is bent at a plurality of points to bring about an annular completed state where the profile of the cut 218 is different from that under initial state. A coil member 200 of various profiles under completed state can be produced from the flexible substrate 210 under initial state of fixed form. Furthermore, the flexible substrate 210 under initial state can be formed to have a slit-like elongated cut 218 and bent to bring about a framelike completed state where the cut 218 is enlarged to have a large diameter. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

本発明は、ループアンテナなどに利用されるコイル部材に関し、特に、フレキシブル基板で形成されているコイル部材に関する。   The present invention relates to a coil member used for a loop antenna or the like, and more particularly to a coil member formed of a flexible substrate.

現在、例えば、携帯電話端末などの電子機器にループアンテナや誘導コイルなどが搭載されている。そのループアンテナなどは、例えば、図７に示すように、フレキシブル基板から形成されているコイル部材１００で形成されている。   Currently, for example, loop antennas and induction coils are mounted on electronic devices such as mobile phone terminals. The loop antenna or the like is formed of a coil member 100 formed of a flexible substrate, for example, as shown in FIG.

このコイル部材１００のフレキシブル基板１１０は、各々線形の第一線形部分１１１と第二線形部分１１２と第三線形部分１１３と第四線形部分１１４とが環状に連続している。連続する線形部分１１１〜１１４が直交する矩形の枠状に形成されている。   In the flexible substrate 110 of the coil member 100, a linear first linear portion 111, a second linear portion 112, a third linear portion 113, and a fourth linear portion 114 are continuous in an annular shape. The continuous linear portions 111 to 114 are formed in a rectangular frame shape orthogonal to each other.

このコイル部材１００では、例えば、第二線形部分１１２から接続部分１１６が突出している。この接続部分１１６の端部に接続コネクタ１２０が実装されている。フレキシブル基板１１０は、一本のプリント配線１１７が各線形部分１１１〜１１４を繰り返し周回するように形成されている。そのプリント配線の両端が接続コネクタ１２０に接続されている。   In the coil member 100, for example, the connection portion 116 protrudes from the second linear portion 112. A connection connector 120 is mounted on the end of the connection portion 116. The flexible substrate 110 is formed so that one printed wiring 117 repeatedly circulates around each of the linear portions 111 to 114. Both ends of the printed wiring are connected to the connection connector 120.

このようなコイル部材１００は、例えば、携帯電話端末などの電子機器の本体ハウジングに搭載され、その本体ハウジングに搭載されている回路基板に接続コネクタ１２０で接続されることにより(図示せず)、ループアンテナなどとして機能することになる。   Such a coil member 100 is mounted on, for example, a main body housing of an electronic device such as a mobile phone terminal, and is connected to a circuit board mounted on the main body housing with a connection connector 120 (not shown). It will function as a loop antenna.

なお、上述のようにフレキシブル基板で形成されているコイル部材としては、各種の提案がある(例えば、特許文献１，２参照)。
特開平１０−０４２０１１号 特開平０６−０９７７１３号 There are various proposals for the coil member formed of the flexible substrate as described above (see, for example, Patent Documents 1 and 2).
JP-A-10-042011 JP 06-097713 A

上述のようなコイル部材１００は、フレキシブル基板１１０のプリント配線１１７により実現されている。従って、電線を巻回するような必要がなく、簡単に量産することができる。   The coil member 100 as described above is realized by the printed wiring 117 of the flexible substrate 110. Therefore, there is no need to wind an electric wire, and mass production can be easily performed.

このようにコイル部材１００を量産する場合には、大型の基板シートに複数のプリント配線１１７のパターンを配列させて形成し(図示せず)、その基板シートから複数のフレキシブル基板１１０を切り出すことになる。   When the coil member 100 is mass-produced in this way, a pattern of a plurality of printed wirings 117 is formed on a large substrate sheet (not shown), and the plurality of flexible substrates 110 are cut out from the substrate sheet. Become.

しかし、図示するように、枠状のコイル部材１００は中央に空間が存在するため、基板シートからフレキシブル基板１１０を切り出すと、その中央の部分は無駄に廃棄することとなる。   However, as shown in the drawing, the frame-shaped coil member 100 has a space in the center. Therefore, when the flexible substrate 110 is cut out from the substrate sheet, the central portion is wasted.

しかも、上述のように中央に無駄な部分が存在する枠状のコイル部材１００は、その全体的な占有面積が無駄に大きい。このため、従来のコイル部材１００では、基板シートに多数のプリント配線１１７のパターンを配列させて形成することができず、生産性が低下している。   In addition, as described above, the frame-shaped coil member 100 in which a useless portion exists in the center has an overall large occupied area. For this reason, in the conventional coil member 100, the pattern of many printed wirings 117 cannot be arranged and formed in a board | substrate sheet, and productivity falls.

本発明は上述のような課題に鑑みてなされたものであり、基板シートからフレキシブル基板を切り出すときに無駄を最小限とすることができて生産性が良好なコイル部材を提供するものである。   The present invention has been made in view of the above problems, and provides a coil member that can minimize waste when cutting out a flexible substrate from a substrate sheet and has good productivity.

本発明のコイル部材は、スリットまたは開口からなる切断部を有する環状の初期状態のフレキシブル基板が、複数箇所で曲折されることで切断部の形状が初期状態とは相違する環状の完成状態とされている。   The coil member of the present invention has an annular completed state in which the shape of the cut portion is different from the initial state by bending an annular flexible substrate in an initial state having a cut portion formed of a slit or an opening at a plurality of locations. ing.

従って、本発明のコイル部材では、例えば、定型の初期状態のフレキシブル基板から各種形状の完成状態のコイル部材を製造することや、初期状態のフレキシブル基板を切断部がスリット状の細長形状に形成しておき、これを曲折により切断部が大径に開口した枠状の完成状態とするようなことができる。   Therefore, in the coil member of the present invention, for example, a coil member in a completed state having various shapes is manufactured from a fixed substrate in an initial state, or the initial state of the flexible substrate is formed into a slit-like elongated shape. In addition, this can be made into a frame-like completed state in which the cut portion is opened to a large diameter by bending.

本発明のコイル部材では、例えば、定型の初期状態のフレキシブル基板から各種形状の完成状態のコイル部材を製造することにより、各種形状のコイル部材を良好な生産性で製造可能な構造を実現することができ、また、初期状態のフレキシブル基板を切断部がスリット状の細長形状に形成しておき、これを曲折により切断部が大径に開口した枠状の完成状態とすることにより、無駄に廃棄する部分を最小としながら大径のコイル部材を製造可能な構造を実現することができる。   In the coil member of the present invention, for example, a coil member with various shapes can be manufactured from a flexible substrate in a fixed initial state, thereby realizing a structure capable of manufacturing coil members with various shapes with good productivity. In addition, the flexible substrate in the initial state is formed into a slit-like elongated shape with a cut portion, and this is bent to form a frame-like completed state in which the cut portion is opened to a large diameter. It is possible to realize a structure capable of manufacturing a large-diameter coil member while minimizing the portion to be made.

本発明の実施の一形態を図面を参照して以下に説明する。なお、本形態では、図示するように前後左右上下の方向を規定して説明する。しかし、これは説明を簡単とするために便宜的に規定するものであり、本発明を実施する場合の製造時や使用時の方向を限定するものではない。   An embodiment of the present invention will be described below with reference to the drawings. In the present embodiment, description will be made by defining the front, rear, left, right and up and down directions as shown. However, this is defined for convenience in order to simplify the description, and does not limit the direction during production or use when the present invention is implemented.

本実施の形態のコイル部材２００は、基板シート(図示せず)から切り出された初期状態のフレキシブル基板２１０から形成されている環状のコイル部材である。初期状態のフレキシブル基板２１０は、図１(ａ)に示すように、少なくとも四つの線形部分２１１〜２１４が環状に連続し、線形部分２１１〜２１４が少なくとも二つずつ直線状に各々連続している一対の直線状部２２１，２２２が略平行に隣接する形状に形成されている。   Coil member 200 of the present embodiment is an annular coil member formed from flexible substrate 210 in an initial state cut out from a substrate sheet (not shown). In the initial state of the flexible substrate 210, as shown in FIG. 1A, at least four linear portions 211 to 214 are continuously connected in an annular shape, and at least two linear portions 211 to 214 are each continuously connected in a straight line. A pair of linear portions 221 and 222 are formed in a shape adjacent to each other substantially in parallel.

そして、図１(ｂ)に示すように、初期状態のフレキシブル基板２１０が複数の線形部分２１１〜２１４の境界箇所で曲折されて完成状態とされることで、図１(ｃ)に示すように、略平行に隣接していた線形部分２１１〜２１４が完成状態では初期状態のときより離間している。   And as shown in FIG.1 (b), as shown in FIG.1 (c), as shown in FIG.1 (b), the flexible substrate 210 of an initial state is bend | folded in the boundary location of the several linear parts 211-214, and is made into a completed state. The linear portions 211 to 214 that are adjacent to each other in parallel are separated in the completed state from the initial state.

より具体的には、初期状態のフレキシブル基板２１０は、図１(ａ)に示すように、各々が細長く等長の第一線形部分２１１と第二線形部分２１２と第三線形部分２１３と第四線形部分２１４とが環状に連続し、第一線形部分２１１と第二線形部分２１２とが直線状に連続するとともに第三線形部分２１３と第四線形部分２１４とが直線状に連続し、第一線形部分２１１に第四線形部分２１４が平行に隣接するとともに第二線形部分２１２に第三線形部分２１３が平行に隣接する形状に形成されている。   More specifically, as shown in FIG. 1A, the flexible substrate 210 in the initial state has a first linear portion 211, a second linear portion 212, a third linear portion 213, and a fourth linear portion that are elongated and are equal in length. The linear portion 214 is annularly continuous, the first linear portion 211 and the second linear portion 212 are linearly continuous, and the third linear portion 213 and the fourth linear portion 214 are linearly continuous, A fourth linear portion 214 is adjacent to the linear portion 211 in parallel, and a third linear portion 213 is adjacent to the second linear portion 212 in parallel.

そして、本実施の形態のコイル部材２００では、図１(ｂ)に示すように、初期状態のフレキシブル基板２１０が第一線形部分２１１と第二線形部分２１２との境界箇所と第二線形部分２１２と第三線形部分２１３との境界箇所と第三線形部分２１３と第四線形部分２１４との境界箇所と第四線形部分２１４と第一線形部分２１１との境界箇所とで上方に三角形状に曲折されて完成状態とされることで、図１(ｃ)に示すように、完成状態のフレキシブル基板２１０では、第一線形部分２１１と第二線形部分２１２とが直交しているとともに第三線形部分２１３と第四線形部分２１４とが直交している。   And in the coil member 200 of this Embodiment, as shown in FIG.1 (b), the flexible substrate 210 of an initial state is the boundary location of the 1st linear part 211 and the 2nd linear part 212, and the 2nd linear part 212. And the third linear portion 213, the boundary portion between the third linear portion 213 and the fourth linear portion 214, and the boundary portion between the fourth linear portion 214 and the first linear portion 211 are bent upward in a triangular shape. In the completed state, as shown in FIG. 1C, in the completed flexible substrate 210, the first linear portion 211 and the second linear portion 212 are orthogonal and the third linear portion. 213 and the fourth linear portion 214 are orthogonal to each other.

このため、本実施の形態のコイル部材２００は、第一線形部分２１１と第三線形部分２１３とが、第二線形部分２１２(および第四線形部分２１４)の全長に相当する距離まで離間するとともに、第二線形部分２１２と第四線形部分２１４とも、第一線形部分２１１(および第三線形部分２１３)の全長に相当する距離まで離間している。   Therefore, in the coil member 200 of the present embodiment, the first linear portion 211 and the third linear portion 213 are separated to a distance corresponding to the entire length of the second linear portion 212 (and the fourth linear portion 214). The second linear portion 212 and the fourth linear portion 214 are separated to a distance corresponding to the entire length of the first linear portion 211 (and the third linear portion 213).

このため、本実施の形態のコイル部材２００では、第一線形部分２１１と第二線形部分２１２と第三線形部分２１３と第四線形部分２１４との表面が同一平面に位置しており、全体に中央が開口した正方形の枠状となっている。   For this reason, in the coil member 200 of the present embodiment, the surfaces of the first linear portion 211, the second linear portion 212, the third linear portion 213, and the fourth linear portion 214 are located on the same plane, It has a square frame shape with an opening at the center.

なお、本実施の形態のコイル部材２００では、例えば、フレキシブル基板２１０の第二線形部分２１２から直角に接続部分２１６が突出している。この接続部分２１６の端部に接続コネクタ２３０が実装されている。フレキシブル基板２１０は、一本のプリント配線２１７が各線形部分１１１〜１１４を繰り返し周回するように形成されており、そのプリント配線２１７の両端が接続コネクタ２３０に接続されている。   In the coil member 200 of the present embodiment, for example, the connection portion 216 protrudes from the second linear portion 212 of the flexible substrate 210 at a right angle. A connection connector 230 is mounted on the end of the connection portion 216. The flexible substrate 210 is formed so that one printed wiring 217 repeatedly circulates around each of the linear portions 111 to 114, and both ends of the printed wiring 217 are connected to the connection connector 230.

本実施の形態のコイル部材２００は、上述のように完成状態のフレキシブル基板２１０からなる矩形の枠状の状態で、図２に示すように、携帯電話端末などの電子機器３００の本体ハウジング３１０に搭載されている。   As shown in FIG. 2, the coil member 200 according to the present embodiment is in the shape of a rectangular frame formed of the flexible substrate 210 in a completed state, and is attached to a main body housing 310 of an electronic device 300 such as a mobile phone terminal. It is installed.

この電子機器３００では、本体ハウジング３１０にリジッド基板からなる回路基板３２０とコイル部材２００とが搭載されている。このコイル部材２００の接続コネクタ２３０が回路基板３２０の接続コネクタ３２１と接続されている。   In the electronic device 300, a circuit board 320 made of a rigid board and a coil member 200 are mounted on a main body housing 310. The connection connector 230 of the coil member 200 is connected to the connection connector 321 of the circuit board 320.

また、本体ハウジング３１０には、内側面がコイル部材２００の外周部と同一形状の凹部３１１が形成されている。この凹部３１１の内部にコイル部材２００が配置されている。   In addition, the main body housing 310 is formed with a recess 311 having an inner surface that is the same shape as the outer periphery of the coil member 200. The coil member 200 is disposed inside the recess 311.

さらに、コイル部材２００と外周部が同一形状の曲折維持部材３３０が本体ハウジング３１０とは別体に形成されている。その曲折維持部材３３０が凹部３１１に装着されることで、コイル部材２００が本体ハウジング３１０に保持されるとともに曲折状態が維持されている。   Further, a bending maintaining member 330 having the same outer peripheral portion as the coil member 200 is formed separately from the main body housing 310. By attaching the bent maintaining member 330 to the recess 311, the coil member 200 is held by the main body housing 310 and the bent state is maintained.

このため、本実施の形態のコイル部材２００は、曲折維持部材３３０により曲折状態が維持された状態では、前述のように上方に三角形状に曲折された箇所が、フレキシブル基板２１０の表面に略面一に当接されている。   For this reason, in the coil member 200 of the present embodiment, when the bent state is maintained by the bending maintaining member 330, the portion bent upward in the triangular shape as described above is substantially on the surface of the flexible substrate 210. Is in contact with one.

ここで、本実施の形態のコイル部材２００の製造方法を以下に簡単に説明する。まず、図１(ａ)に示すように、第一線形部分２１１と第二線形部分２１２とが直線状に連続するとともに第三線形部分２１３と第四線形部分２１４とが直線状に連続し、第一線形部分２１１に少なくとも第四線形部分２１４が平行に隣接するとともに第二線形部分２１２に少なくとも第三線形部分２１３が平行に隣接する初期状態に、フレキシブル基板２１０を形成する。   Here, the manufacturing method of the coil member 200 of this Embodiment is demonstrated easily below. First, as shown in FIG. 1A, the first linear portion 211 and the second linear portion 212 are linearly continuous, and the third linear portion 213 and the fourth linear portion 214 are linearly continuous. The flexible substrate 210 is formed in an initial state in which at least the fourth linear portion 214 is adjacent to the first linear portion 211 in parallel and at least the third linear portion 213 is adjacent to the second linear portion 212 in parallel.

その場合、大型の基板シートに複数のコイル部材２００のプリント配線２１７のパターンを配列させて形成し(図示せず)、その基板シートから複数のフレキシブル基板２１０を切り出す。   In that case, a pattern of the printed wirings 217 of the plurality of coil members 200 is formed on a large substrate sheet (not shown), and the plurality of flexible substrates 210 are cut out from the substrate sheet.

つぎに、図１(ｂ)に示すように、初期状態のフレキシブル基板２１０を、第一線形部分２１１と第二線形部分２１２との境界箇所と第二線形部分２１２と第三線形部分２１３との境界箇所と第三線形部分２１３と第四線形部分２１４との境界箇所と第四線形部分２１４と第一線形部分２１１との境界箇所とで曲折させて完成状態とする。   Next, as shown in FIG. 1B, the flexible substrate 210 in the initial state is connected to the boundary portion between the first linear portion 211 and the second linear portion 212, the second linear portion 212, and the third linear portion 213. A boundary portion, a boundary portion between the third linear portion 213 and the fourth linear portion 214, and a boundary portion between the fourth linear portion 214 and the first linear portion 211 are bent to obtain a completed state.

そして、この完成状態のフレキシブル基板２１０では、図１(ｃ)に示すように、第一線形部分２１１と第二線形部分２１２とを直交させるとともに第三線形部分２１３と第四線形部分２１４とを直交させ、第一線形部分２１１と第三線形部分２１３とを平行に離間させるとともに、第二線形部分２１２と第四線形部分２１４とを平行に離間させることにより、本実施の形態のコイル部材２００が完成する。   In the completed flexible substrate 210, as shown in FIG. 1C, the first linear portion 211 and the second linear portion 212 are orthogonal to each other, and the third linear portion 213 and the fourth linear portion 214 are provided. The first linear portion 211 and the third linear portion 213 are spaced apart in parallel, and the second linear portion 212 and the fourth linear portion 214 are spaced apart in parallel, whereby the coil member 200 of the present embodiment. Is completed.

このように製造される本実施の形態のコイル部材２００では、上述のようにフレキシブル基板２１０が基板シートから切り出される初期状態では、中央には線形の切断部であるスリット２１８が形成されているのみで、矩形の無駄な部分などが存在することがない。   In the coil member 200 of the present embodiment manufactured as described above, in the initial state where the flexible substrate 210 is cut out from the substrate sheet as described above, the slit 218 that is a linear cutting portion is only formed at the center. Thus, there is no useless part of the rectangle.

このため、初期状態のフレキシブル基板２１０の占有面積が必要最小限なので、多数を基板シートに配列させることが可能であり、本実施の形態のコイル部材２００は生産性が良好である。   For this reason, since the occupation area of the flexible substrate 210 in the initial state is the minimum necessary, a large number can be arranged on the substrate sheet, and the coil member 200 of the present embodiment has good productivity.

それでいて、本実施の形態のコイル部材２００は、前述のようにフレキシブル基板２１０が曲折された完成状態では、その中央が大径に開口した矩形の枠状となる。従って、使用するときには誘導コイルやループアンテナとして良好に機能することができる。   Nevertheless, the coil member 200 according to the present embodiment has a rectangular frame shape with a large opening at the center when the flexible substrate 210 is bent as described above. Therefore, when used, it can function well as an induction coil or loop antenna.

しかも、本実施の形態の電子機器３００では、本体ハウジング３１０にコイル部材２００と曲折維持部材３３０とが装着されることで、コイル部材２００が本体ハウジング３１０に保持されるとともに曲折状態が維持されている。従って、簡単な構造でコイル部材２００を適切な位置および形状に維持することができる。   In addition, in electronic device 300 according to the present embodiment, coil member 200 and bending maintenance member 330 are attached to main body housing 310 so that coil member 200 is held by main body housing 310 and the bent state is maintained. Yes. Therefore, the coil member 200 can be maintained in an appropriate position and shape with a simple structure.

さらに、本実施の形態のコイル部材２００は、各部分２１１〜２１４の表面が同一平面に位置する状態にフレキシブル基板２１０が曲折されている。従って、全体が扁平で電子機器３００の本体ハウジング３１０の内部に良好に平坦に配置することができる。   Furthermore, in the coil member 200 of the present embodiment, the flexible substrate 210 is bent so that the surfaces of the portions 211 to 214 are located on the same plane. Therefore, the entire device is flat and can be disposed in a flat manner inside the main body housing 310 of the electronic device 300.

なお、本発明は本実施の形態に限定されるものではなく、その要旨を逸脱しない範囲で各種の変形を許容する。例えば、上記形態では初期状態のフレキシブル基板２１０を第一から第四線形部分２１１〜２１４が等長となる箇所で曲折させて完成状態とすることにより、正方形のコイル部材２００を形成することを例示した。   The present invention is not limited to the present embodiment, and various modifications are allowed without departing from the scope of the present invention. For example, in the above embodiment, the square coil member 200 is formed by bending the flexible substrate 210 in the initial state at a position where the first to fourth linear portions 211 to 214 are equal in length to obtain a completed state. did.

しかし、図３(ａ)に例示するように、初期状態のフレキシブル基板２１０を第一線形部分４０１と第三線形部分４０３とが長くなり第二線形部分４０２と第四線形部分４０４とが短くなる箇所で曲折させて完成状態とすることなどにより、図３(ｂ)に示すように、長方形のコイル部材４００を形成することも可能である。   However, as illustrated in FIG. 3A, in the initial state of the flexible substrate 210, the first linear portion 401 and the third linear portion 403 become longer, and the second linear portion 402 and the fourth linear portion 404 become shorter. It is also possible to form a rectangular coil member 400 as shown in FIG.

なお、上述のように矩形で各辺の比率が相違するコイル部材２００，４００は、初期状態では同一形状のフレキシブル基板２１０から製造することができる。従って、本発明では複数種類のコイル部材２００，４００の全体的な生産性を向上させることも可能である。   As described above, the coil members 200 and 400 having a rectangular shape and different side ratios can be manufactured from the flexible substrate 210 having the same shape in the initial state. Therefore, in the present invention, it is possible to improve the overall productivity of the plurality of types of coil members 200 and 400.

このため、初期状態のフレキシブル基板を正方形の枠状に形成しておき、これを曲折により長方形状の完成状態とすることもできる(図示せず)。この場合、完成状態に比較して初期状態で無駄に廃棄する部分が増大するが、定型の初期状態のフレキシブル基板から、各種形状のコイル部材を製造できる効果がある。   For this reason, the flexible substrate in the initial state can be formed in a square frame shape, and this can be bent into a rectangular completed state (not shown). In this case, compared with the completed state, the portion that is wasted in the initial state increases, but there is an effect that coil members of various shapes can be manufactured from the fixed substrate in the initial state.

また、上記形態ではコイル部材２００の曲折を維持する曲折維持部材３３０が電子機器３００の本体ハウジング３１０に装着されることを例示した。しかし、図３(ｂ)に示すように、コイル部材４００に曲折維持部材４１１〜４１３を装着しておくことも可能である。   Further, in the above embodiment, the bending maintaining member 330 that maintains the bending of the coil member 200 is mounted on the main body housing 310 of the electronic device 300. However, as shown in FIG. 3 (b), it is possible to attach the bending maintaining members 411 to 413 to the coil member 400.

例えば、曲折維持部材４１１は、スリット状の開口が三面に形成されている直方体状のガイド部品として形成されており、コイル部材４００の角部に側方などから装着することができる。また、曲折維持部材４１２は、スリット状の開口が一面に形成されている三角柱状のガイド部品として形成されており、コイル部材４００の角部に斜め方向から装着することができる。   For example, the bending maintaining member 411 is formed as a rectangular parallelepiped guide part having slit-like openings formed on three sides, and can be attached to the corner of the coil member 400 from the side or the like. Further, the bending maintaining member 412 is formed as a triangular prism-shaped guide part having a slit-like opening formed on one surface, and can be attached to the corner of the coil member 400 from an oblique direction.

さらに、上述のようにコイル部材４００が全体的に長方形に形成されている場合、その短辺と等長の一個の曲折維持部材４１３で、コイル部材４００の二つの角部を保持することも可能である。   Further, when the coil member 400 is formed in a rectangular shape as described above, it is possible to hold the two corners of the coil member 400 with one bending maintaining member 413 having the same length as the short side. It is.

また、上述のようにコイル部材４００に曲折維持部材４１１等が装着されている場合、その曲折維持部材４１１等が係合する凹部を電子機器の本体ハウジングに形成しておくことにより(図示せず)、コイル部材４００を本体ハウジングに簡単な構造で適切に装着することも可能である。   Further, when the bending maintaining member 411 or the like is mounted on the coil member 400 as described above, a recess that engages with the bending maintaining member 411 or the like is formed in the main body housing of the electronic device (not shown). It is also possible to appropriately attach the coil member 400 to the main body housing with a simple structure.

さらに、上記形態では矩形のコイル部材２００を形成するために初期状態のフレキシブル基板２１０を四箇所で上方に曲折させることを例示した。しかし、図４に示すように、これらの箇所の一部ないし全部を下方に曲折させることも可能である。   Furthermore, in the said form, in order to form the rectangular coil member 200, it illustrated that the flexible substrate 210 of an initial state was bent upwards at four places. However, as shown in FIG. 4, some or all of these portions can be bent downward.

また、上記形態では初期状態のフレキシブル基板２１０の中央にスリット２１８が単純な線形に形成されていることのみ例示した。しかし、図４に示すように、その両端に丸孔２１９を形成しておくことにより、スリット２１８の端部からフレキシブル基板２１０が裂けることを防止することも可能である。同様に、スリットを所定幅に形成して両端を半円形とすることにより(図示せず)、フレキシブル基板２１０が裂けることを防止することも可能である。   In the above embodiment, only the slit 218 is formed in a simple linear shape at the center of the flexible substrate 210 in the initial state. However, as shown in FIG. 4, it is also possible to prevent the flexible substrate 210 from tearing from the end of the slit 218 by forming round holes 219 at both ends thereof. Similarly, it is also possible to prevent the flexible substrate 210 from being torn by forming a slit with a predetermined width and making both ends semicircular (not shown).

さらに、上記形態では初期状態のフレキシブル基板２１０を四箇所で曲折させてコイル部材２００を矩形に形成することを例示した。しかし、初期状態のフレキシブル基板２１０を五つ以上の箇所で曲折させて五角形以上の多角形にコイル部材を形成することも不可能ではない(図示せず)。   Further, in the above embodiment, the coil member 200 is formed in a rectangular shape by bending the flexible substrate 210 in the initial state at four locations. However, it is not impossible to bend the flexible substrate 210 in the initial state at five or more locations to form a coil member in a polygon of pentagon or more (not shown).

また、上記形態では初期状態のフレキシブル基板２１０の長手方向と直交する方向に接続部分２１６が突出していることを例示した。しかし、図５に示すように、初期状態のフレキシブル基板４２０の長手方向と同一方向に接続部分４２５が突出していることも可能である。   Moreover, in the said form, it illustrated that the connection part 216 protruded in the direction orthogonal to the longitudinal direction of the flexible substrate 210 of an initial state. However, as shown in FIG. 5, the connection portion 425 may protrude in the same direction as the longitudinal direction of the flexible substrate 420 in the initial state.

この場合、同一面積の基板シートに複数の初期状態のフレキシブル基板４２０を、より高密度に配列させることができる。従って、さらにコイル部材の生産性を向上させることが可能である。   In this case, a plurality of initial flexible substrates 420 can be arranged at a higher density on a substrate sheet having the same area. Therefore, it is possible to further improve the productivity of the coil member.

また、上記形態では初期状態のフレキシブル基板２１０の各部分２１１〜２１４の境界位置を三角形状に曲折させることで、完成状態のコイル部材２００の各部分２１１〜２１４の表面が同一平面に位置することを例示した。   Moreover, in the said form, the surface of each part 211-214 of the coil member 200 of a completion state is located in the same plane by making the boundary position of each part 211-214 of the flexible substrate 210 of an initial state bend in a triangle shape. Was illustrated.

しかし、図６に例示するコイル部材４３０のように、初期状態のフレキシブル基板２１０を直角方向のみに曲折させることにより、第一線形部分４３１と第二線形部分４３２との表面が直交し、第二線形部分４３２と第三線形部分４３３との表面が直交し、第三線形部分４３３と第四線形部分４３４との表面が直交し、第四線形部分４３４と第一線形部分４３１との表面が直交する、完成状態とすることも可能である。   However, as in the coil member 430 illustrated in FIG. 6, the surfaces of the first linear portion 431 and the second linear portion 432 are orthogonal to each other by bending the flexible substrate 210 in the initial state only in the perpendicular direction. The surfaces of the linear portion 432 and the third linear portion 433 are orthogonal, the surfaces of the third linear portion 433 and the fourth linear portion 434 are orthogonal, and the surfaces of the fourth linear portion 434 and the first linear portion 431 are orthogonal. It is also possible to achieve a completed state.

このコイル部材４３０では、フレキシブル基板２１０の表面が拡開された切断部により形成される平面に対して直交する。このコイル部材４３０では、各部分４３１〜４３４の表面が直方体の外側面に相当する配置となる。従って、例えば、直方体状の本体ハウジングの内側面に配置するようなことが好適である(図示せず)。   In the coil member 430, the surface of the flexible substrate 210 is orthogonal to a plane formed by the cut portion where the surface is expanded. In this coil member 430, the surface of each part 431-434 becomes arrangement | positioning equivalent to the outer side surface of a rectangular parallelepiped. Therefore, for example, it is preferable to arrange on the inner surface of the rectangular parallelepiped main body housing (not shown).

しかも、このコイル部材４３０も、当然ながら、その曲折箇所を変更することにより矩形の縦横比を変化させることができる。また、曲折箇所を増加させることで全体を多角形状に形成することもできる(図示せず)。   In addition, the coil member 430 can naturally change the aspect ratio of the rectangle by changing the bent portion. Moreover, the whole can also be formed in polygonal shape by increasing a bending location (not shown).

さらに、このコイル部材４３０では、第一線形部分４３１と第二線形部分４３２との境界箇所と第三線形部分４３３と第四線形部分４４４との境界箇所との曲折の曲率半径を拡大することにより、全体を円筒状に形成することも可能である(図示せず)。   Furthermore, in this coil member 430, by expanding the curvature radius of the bend at the boundary portion between the first linear portion 431 and the second linear portion 432 and the boundary portion between the third linear portion 433 and the fourth linear portion 444. It is also possible to form the whole into a cylindrical shape (not shown).

また、このコイル部材４３０も、前述のコイル部材２００，４００と同一形状の初期状態のフレキシブル基板２１０から形成することができ、本発明では、同一形状の初期状態のフレキシブル基板２１０から、平坦なコイル部材２００も立体的なコイル部材４３０も形成することが可能である。   The coil member 430 can also be formed from the flexible substrate 210 in the initial state having the same shape as the coil members 200 and 400 described above. In the present invention, a flat coil is formed from the flexible substrate 210 in the initial state having the same shape. Both the member 200 and the three-dimensional coil member 430 can be formed.

さらに、上述のようなコイル部材４３０でも、例えば、Ｌ字型のスリットが下面に開口している曲折維持部材４４０を形成し、この曲折維持部材４４０をフレキシブル基板２１０の曲折箇所に装着することにより、その曲折状態を維持することが可能である。   Furthermore, even in the coil member 430 as described above, for example, a bending maintaining member 440 having an L-shaped slit opened on the lower surface is formed, and the bending maintaining member 440 is attached to the bending portion of the flexible substrate 210. The bent state can be maintained.

本発明の実施の形態のコイル部材の製造工程を示す斜視図である。It is a perspective view which shows the manufacturing process of the coil member of embodiment of this invention. 電子機器の要部の組立構造を示す分解斜視図である。It is a disassembled perspective view which shows the assembly structure of the principal part of an electronic device. 一変形例のコイル部材の製造工程を示す斜視図である。It is a perspective view which shows the manufacturing process of the coil member of one modification. 他の変形例の製造工程を示す斜視図である。It is a perspective view which shows the manufacturing process of another modification. さらに他の変形例のフレキシブル基板を示す斜視図である。It is a perspective view which shows the flexible substrate of another modification. さらに他の変形例のコイル部材の製造工程を示す斜視図である。It is a perspective view which shows the manufacturing process of the coil member of another modification. 一従来例のコイル部材を示す斜視図である。It is a perspective view which shows the coil member of one prior art example.

符号の説明Explanation of symbols

２００，４００，４３０ コイル部材
２１０，４２０ フレキシブル基板
２１１，４０１，４３１ 第一線形部分
２１２，４０２，４３２ 第二線形部分
２１３，４０３，４３３ 第三線形部分
２１４，４０４，４３４ 第四線形部分
２１８ スリット
３００ 電子機器
３１０ 本体ハウジング
３３０，４１１〜４１３，４４０ 曲折維持部材 200, 400, 430 Coil member 210, 420 Flexible substrate 211, 401, 431 First linear portion 212, 402, 432 Second linear portion 213, 403, 433 Third linear portion 214, 404, 434 Fourth linear portion 218 Slit 300 Electronic device 310 Main body housing 330, 411-413, 440 Bending maintenance member

Claims (19)

スリットまたは開口からなる切断部を有する環状の初期状態のフレキシブル基板が、複数箇所で曲折されることで前記切断部の形状が前記初期状態とは相違する環状の完成状態とされているコイル部材。   A coil member in which an annular flexible substrate in an initial state having a cut portion formed of a slit or an opening is bent at a plurality of locations so that the shape of the cut portion is different from the initial state. 前記完成状態のフレキシブル基板の前記切断部が前記初期状態より拡開されている請求項１に記載のコイル部材。   The coil member according to claim 1, wherein the cut portion of the flexible substrate in the completed state is expanded from the initial state. 前記初期状態のフレキシブル基板は、スリット状の前記切断部を有する細長形状に形成されており、
前記完成状態のフレキシブル基板は、拡開された前記切断部を有する枠状に形成されている請求項２に記載のコイル部材。 The flexible substrate in the initial state is formed in an elongated shape having the slit-shaped cutting part,
The coil member according to claim 2, wherein the completed flexible substrate is formed in a frame shape having the expanded cut portion. 前記完成状態のフレキシブル基板が環状に連続する少なくとも四つの線形部分を有しており、
前記初期状態のフレキシブル基板では、前記線形部分が少なくとも二つずつ直線状に各々連続している一対の直線状部が略平行に隣接する形状に形成されており、
前記初期状態のフレキシブル基板が複数の前記線形部分の境界箇所で曲折されて前記完成状態とされることで、略平行に隣接していた前記線形部分が前記初期状態のときより前記完成状態では離間している請求項３に記載のコイル部材。 The finished flexible substrate has at least four linear portions that are annularly continuous;
In the flexible substrate in the initial state, a pair of linear portions in which each of the linear portions is continuous in a straight line is formed in a shape adjacent to each other substantially in parallel,
The flexible substrate in the initial state is bent at the boundary portions of the plurality of linear portions to be in the completed state, so that the linear portions adjacent to each other in parallel are separated in the completed state from those in the initial state. The coil member according to claim 3. 前記完成状態のフレキシブル基板では、各々が細長い第一線形部分と第二線形部分と第三線形部分と第四線形部分とが矩形の環状に連続しており、
前記初期状態のフレキシブル基板は、前記第一線形部分と前記第二線形部分とが直線状に連続するとともに前記第三線形部分と前記第四線形部分とが直線状に連続し、前記第一線形部分に少なくとも前記第四線形部分が略平行に隣接するとともに前記第二線形部分に少なくとも前記第三線形部分が略平行に隣接する細長形状に形成されており、
前記初期状態のフレキシブル基板が前記第一線形部分と前記第二線形部分との境界箇所と前記第二線形部分と前記第三線形部分との境界箇所と前記第三線形部分と前記第四線形部分との境界箇所と前記第四線形部分と前記第一線形部分との境界箇所とで曲折されて前記完成状態とされている請求項４に記載のコイル部材。 In the completed flexible substrate, each of the elongated first linear portion, the second linear portion, the third linear portion, and the fourth linear portion is continuous in a rectangular ring shape,
The flexible substrate in the initial state is such that the first linear portion and the second linear portion are linearly continuous, and the third linear portion and the fourth linear portion are linearly continuous. And at least the fourth linear portion is adjacent to the portion in substantially parallel and at least the third linear portion is adjacent to the second linear portion in substantially parallel shape,
The flexible substrate in the initial state includes a boundary portion between the first linear portion and the second linear portion, a boundary portion between the second linear portion and the third linear portion, the third linear portion, and the fourth linear portion. The coil member according to claim 4, wherein the coil member is bent at a boundary portion between the first linear portion and the fourth linear portion and the first linear portion. 前記完成状態のフレキシブル基板の前記第一線形部分と前記第二線形部分と前記第三線形部分と前記第四線形部分との表面が同一平面に略位置している請求項５に記載のコイル部材。   The coil member according to claim 5, wherein surfaces of the first linear portion, the second linear portion, the third linear portion, and the fourth linear portion of the flexible substrate in the completed state are substantially located on the same plane. . 前記完成状態のフレキシブル基板の表面が拡開された前記切断部により形成される平面に対して略直交している請求項２ないし５の何れか一項に記載のコイル部材。   The coil member according to any one of claims 2 to 5, wherein the coil member is substantially orthogonal to a plane formed by the cut portion in which a surface of the flexible substrate in the completed state is expanded. 前記完成状態のフレキシブル基板では、前記第一線形部分と前記第二線形部分との表面が略直交し、前記第二線形部分と前記第三線形部分との表面が略直交し、前記第三線形部分と前記第四線形部分との表面が略直交し、前記第四線形部分と前記第一線形部分との表面が略直交している請求項６に記載のコイル部材。   In the completed flexible substrate, the surfaces of the first linear portion and the second linear portion are substantially orthogonal, the surfaces of the second linear portion and the third linear portion are substantially orthogonal, and the third linear portion The coil member according to claim 6, wherein surfaces of the portion and the fourth linear portion are substantially orthogonal, and surfaces of the fourth linear portion and the first linear portion are substantially orthogonal. 前記フレキシブル基板の曲折状態を維持する曲折維持部材も有している請求項１ないし８の何れか一項に記載のコイル部材。   The coil member as described in any one of Claim 1 thru | or 8 which also has the bending maintenance member which maintains the bending state of the said flexible substrate. コイル部材が搭載されている電子機器であって、
請求項１ないし９の何れか一項に記載のコイル部材を有している電子機器。 An electronic device equipped with a coil member,
The electronic device which has a coil member as described in any one of Claims 1 thru | or 9. コイル部材が搭載されている電子機器であって、
本体ハウジングと、
この本体ハウジングに搭載されている請求項１ないし８の何れか一項に記載のコイル部材と、
前記本体ハウジングに装着されて前記フレキシブル基板の曲折状態を維持している曲折維持部材と、
を有している電子機器。 An electronic device equipped with a coil member,
A body housing;
The coil member according to any one of claims 1 to 8, which is mounted on the main body housing;
A bending maintaining member mounted on the main body housing and maintaining the bending state of the flexible substrate;
Having electronic equipment. コイル部材が搭載されている電子機器であって、
本体ハウジングと、
この本体ハウジングに搭載されている請求項９に記載のコイル部材と、
前記本体ハウジングに形成されていて前記曲折維持部材が装着されている部材保持機構と、
を有している電子機器。 An electronic device equipped with a coil member,
A body housing;
The coil member according to claim 9 mounted on the main body housing;
A member holding mechanism formed in the main body housing and mounted with the bending maintaining member;
Having electronic equipment. 請求項１に記載のコイル部材を製造するためのコイル製造方法であって、
スリットまたは開口からなる前記切断部を有する環状に前記初期状態の前記フレキシブル基板を形成し、
前記初期状態のフレキシブル基板を複数箇所で曲折させることで前記切断部の形状が前記初期状態とは相違する環状の完成状態とするコイル製造方法。 A coil manufacturing method for manufacturing the coil member according to claim 1,
Forming the flexible substrate in the initial state in an annular shape having the cut portion formed of a slit or an opening;
A coil manufacturing method in which the flexible substrate in the initial state is bent at a plurality of locations so that the shape of the cut portion is an annular completed state different from the initial state. 請求項２に記載のコイル部材を製造するためのコイル製造方法であって、
スリットまたは開口からなる前記切断部を有する環状に前記初期状態の前記フレキシブル基板を形成し、
前記初期状態のフレキシブル基板を複数箇所で曲折させることで前記切断部が拡開された環状の前記完成状態とするコイル製造方法。 A coil manufacturing method for manufacturing the coil member according to claim 2,
Forming the flexible substrate in the initial state in an annular shape having the cut portion formed of a slit or an opening;
The coil manufacturing method which makes the said completion | finish state in which the said cutting part was expanded by bending the flexible substrate of the said initial state in multiple places. 請求項３に記載のコイル部材を製造するためのコイル製造方法であって、
スリット状の前記切断部を有する細長形状に前記初期状態の前記フレキシブル基板を形成し、
前記初期状態のフレキシブル基板を複数箇所で曲折させることで拡開された前記切断部を有する枠状の前記完成状態とするコイル製造方法。 A coil manufacturing method for manufacturing the coil member according to claim 3,
Forming the flexible substrate in the initial state into an elongated shape having the slit-shaped cutting portion;
The coil manufacturing method which makes the said frame-shaped said completed state which has the said cutting part expanded by bending the flexible substrate of the said initial state in multiple places. 請求項４に記載のコイル部材を製造するためのコイル製造方法であって、
少なくとも四つの線形部分が環状に連続し、前記線形部分が少なくとも二つずつ直線状に各々連続している一対の直線状部が略平行に隣接している前記初期状態に、前記フレキシブル基板を形成し、
前記初期状態のフレキシブル基板を複数の前記線形部分の境界箇所で曲折させることで、略平行に隣接していた前記線形部分が前記初期状態のときより離間している前記完成状態とするコイル製造方法。 A coil manufacturing method for manufacturing the coil member according to claim 4,
The flexible substrate is formed in the initial state in which at least four linear portions are continuous in an annular shape, and a pair of linear portions in which the linear portions are continuously connected at least two linearly are adjacent to each other. And
A coil manufacturing method in which the flexible substrate in the initial state is bent at the boundary portions of the plurality of linear portions so that the linear portions adjacent to each other in parallel are separated from those in the initial state. . 請求項５に記載のコイル部材を製造するためのコイル製造方法であって、
各々が細長い第一線形部分と第二線形部分と第三線形部分と第四線形部分とが環状に連続し、前記第一線形部分と前記第二線形部分とが直線状に連続するとともに前記第三線形部分と前記第四線形部分とが直線状に連続し、前記第一線形部分に少なくとも前記第四線形部分が略平行に隣接するとともに前記第二線形部分に少なくとも前記第三線形部分が略平行に隣接している前記初期状態に、前記フレキシブル基板を形成し、
前記初期状態のフレキシブル基板を前記第一線形部分と前記第二線形部分との境界箇所と前記第二線形部分と前記第三線形部分との境界箇所と前記第三線形部分と前記第四線形部分との境界箇所と前記第四線形部分と前記第一線形部分との境界箇所とで曲折させることで、前記第一線形部分と前記第二線形部分とが略直交するとともに前記第三線形部分と前記第四線形部分とが略直交する前記完成状態とするコイル製造方法。 A coil manufacturing method for manufacturing the coil member according to claim 5,
Each of the first linear portion, the second linear portion, the third linear portion, and the fourth linear portion are continuous in an annular shape, and the first linear portion and the second linear portion are linearly continuous and the first linear portion Three linear portions and the fourth linear portion are continuous in a straight line, at least the fourth linear portion is adjacent to the first linear portion substantially in parallel, and at least the third linear portion is substantially adjacent to the second linear portion. Forming the flexible substrate in the initial state adjacent in parallel;
The flexible substrate in the initial state includes a boundary portion between the first linear portion and the second linear portion, a boundary portion between the second linear portion and the third linear portion, the third linear portion, and the fourth linear portion. And the third linear portion and the first linear portion and the second linear portion are substantially orthogonal to each other by bending at a boundary location between the first linear portion and the fourth linear portion. The coil manufacturing method which makes the said completion state in which the said 4th linear part is substantially orthogonal. 共通する前記フレキシブル基板の曲折箇所を相違させることで複数種類の前記コイル部材を製造する請求項１３ないし１７の何れか一項に記載のコイル製造方法。   The coil manufacturing method according to any one of claims 13 to 17, wherein a plurality of types of the coil members are manufactured by making different bent portions of the common flexible substrate. 請求項１に記載のコイル部材の前記初期状態のフレキシブル基板であって、
スリットまたは開口からなる前記切断部を有する環状に形成されているフレキシブル基板。 The flexible substrate in the initial state of the coil member according to claim 1,
A flexible substrate formed in an annular shape having the cut portion formed of a slit or an opening.
JP2006130126A 2006-05-09 2006-05-09 Coil member Pending JP2007305656A (en)

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