JP2009250917A - Tool for substrate inspection and contact for inspection - Google Patents

Tool for substrate inspection and contact for inspection Download PDF

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JP2009250917A
JP2009250917A JP2008102233A JP2008102233A JP2009250917A JP 2009250917 A JP2009250917 A JP 2009250917A JP 2008102233 A JP2008102233 A JP 2008102233A JP 2008102233 A JP2008102233 A JP 2008102233A JP 2009250917 A JP2009250917 A JP 2009250917A
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contact
coil spring
diameter
rod
shaped member
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Hideo Nishikawa
秀雄 西川
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Nidec Advance Technology Corp
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Nidec Read Corp
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Abstract

<P>PROBLEM TO BE SOLVED: To provide a tool for substrate inspection having high versatility unaffected by the shapes of a plurality of contacts for inspection disposed according to inspection points of an inspected substrate and the contact for inspection. <P>SOLUTION: This tool for substrate inspection is used to inspect the electrical characteristics of an inspected substrate. This tool includes a contact group, a holding body for holding the contact group, and an electrode body equipped with an electrode part electrically connected to a substrate inspection device body. Each contact includes a rod-like member making conductive contact with an inspection point on one end side thereof, and coil springs extending from the rod-like member on the other end side thereof and conductively connected to the electrode part with continuity provided between the coil springs and the electrode part. The contact group is equipped with a plurality of contacts different from each other in diameter size of the rod-like members. One contact is characterized by being equipped with an auxiliary coil spring extended to the rod-like member according to the diameter size of the rod-like member while being housed within the holding body. <P>COPYRIGHT: (C)2010,JPO&amp;INPIT

Description

本発明は、基板検査用治具及び検査用接触子に関し、より詳しくは、被検査基板の検査点に応じて複数配置される検査用接触子の形状に左右されることなく汎用性の高い基板検査用治具及びその検査用接触子に関する。
尚、本発明は、プリント配線基板に限らず、例えば、フレキシブル基板、多層配線基板、液晶ディスプレイやプラズマディスプレイ用の電極板、及び半導体パッケージ用のパッケージ基板やフィルムキャリアなど種々の基板や半導体ウェハなどに形成される電気的配線の検査に適用でき、本明細書では、それら種々の検査基板を総称して「基板」という。
The present invention relates to a substrate inspection jig and an inspection contact, and more specifically, a highly versatile substrate without being influenced by the shape of a plurality of inspection contacts arranged according to the inspection point of the substrate to be inspected. The present invention relates to an inspection jig and an inspection contact thereof.
The present invention is not limited to a printed wiring board, but includes, for example, various substrates and semiconductor wafers such as flexible substrates, multilayer wiring substrates, electrode plates for liquid crystal displays and plasma displays, and package substrates and film carriers for semiconductor packages. In the present specification, these various test substrates are collectively referred to as “substrates”.

従来、基板検査用治具は、検査対象となる基板と、この基板の電気的特性を算出するための基板検査用装置とを電気的に接続するために利用されている。この基板検査用治具を用いることにより、基板検査装置は、被検査基板上に設定される検査点へ、検査を実施するための電力を供給したり、検査点から電気的信号を取り出したりすることになる。
基板検査用治具は、一端がこの検査点に導通接触し、他端が基板検査用装置の電極部に導通接触する接触子を複数備えている。
この接触子が基板と電極部に圧接されることにより、基板と基板検査用装置が電気的に接続されることになる。
Conventionally, a substrate inspection jig has been used to electrically connect a substrate to be inspected and a substrate inspection apparatus for calculating the electrical characteristics of the substrate. By using this substrate inspection jig, the substrate inspection apparatus supplies power for performing inspection to an inspection point set on the substrate to be inspected, or extracts an electrical signal from the inspection point. It will be.
The substrate inspection jig includes a plurality of contacts whose one end is in conductive contact with the inspection point and whose other end is in conductive contact with the electrode portion of the substrate inspection apparatus.
When the contact is pressed against the substrate and the electrode portion, the substrate and the substrate inspection apparatus are electrically connected.

このような基板検査用治具には、特許文献1や特許文献2に示される如き基板検査用治具が提案されている。
特許文献1や2に記載される基板検査用治具では、基板検査用治具に装着される接触子にコイルばねを具備させることにより、基板の検査点と電極部との間で押圧された際に、このコイルばねが収縮して付勢状態になることで検査点と電極部を圧接する圧接力を生み出している。
As such a substrate inspection jig, a substrate inspection jig as shown in Patent Document 1 or Patent Document 2 has been proposed.
In the substrate inspection jig described in Patent Documents 1 and 2, the contactor mounted on the substrate inspection jig is pressed between the inspection point of the substrate and the electrode portion by providing a coil spring. At this time, the coil spring contracts and enters a biased state, thereby generating a pressing force that presses the inspection point and the electrode portion.

検査対象となる基板には、所定のポイント同士を電気的に接続するための配線が形成されており、基板検査とはこの配線が所定の形状で製造されているかを検査することになる。このため、基板の配線上には複数の検査点が設定され、各検査点に基板検査用治具の接触子を導通接触させることにより、検査が実施されることになる。
このような配線上に設定される検査点には、表面実装部品(SMD)をその表面に載置する平面状のランド(平面ランド)や、実装装部品の足部分を貫通挿入して載置する孔部が形成されるスルーホールランドがある。検査点が平面ランドである場合には、その平面部に接触子の先端を接触させることにより導通状態を得るため、微細な径を有する接触子を用いることができる。一方、検査点がスルーホールランドである場合には、そのスルーホール(孔部)の中心に接触子の先端を一部挿入して接触させるため、少なくとも孔部の径よりも大きい径を有する接触子を用いる必要がある。
特に、昨今の基板は、検査点が平面ランドやスルーホールランドが夫々複数存在しているのが現実である。
Wiring for electrically connecting predetermined points to each other is formed on the substrate to be inspected. In the substrate inspection, it is inspected whether the wiring is manufactured in a predetermined shape. For this reason, a plurality of inspection points are set on the wiring of the substrate, and the inspection is performed by bringing the contact of the substrate inspection jig into contact with each inspection point.
At inspection points set on such wiring, a flat land (planar land) on which a surface mount component (SMD) is placed on the surface or a foot portion of the mount component is inserted and placed. There is a through-hole land in which a hole is formed. When the inspection point is a flat land, a contact having a fine diameter can be used in order to obtain a conductive state by bringing the tip of the contact into contact with the flat portion. On the other hand, when the inspection point is a through-hole land, a contact having a diameter larger than at least the diameter of the hole is made because the tip of the contactor is partially inserted and brought into contact with the center of the through-hole (hole). It is necessary to use a child.
In particular, in recent boards, there are actually a plurality of inspection lands and planar lands and through-hole lands.

特開2003−172748号公報JP 2003-172748 A 特開2007−304008号公報JP 2007-304008 A

このように、検査点が平面ランドやスルーホールランドが夫々複数存在する基板の検査を実施するためには、平面ランド用の接触子(小径接触子)とスルーホール用の接触子(大径接触子)を夫々準備する必要がある。このため、基板検査用治具は、小径接触子と大径接触子を具備させなければならない問題を有している。これは、小径接触子と大径接触子を用いる場合には、基板の検査点に押圧するための荷重を、夫々の接触子に応じて相違させる必要がある。このため、小径接触子と大径接触子を具備する基板検査用治具では、電極部を共通の部材で構成ができず製作が煩雑であった。   In this way, in order to inspect a substrate with multiple planar lands and through-hole lands, the planar land contact (small-diameter contact) and the through-hole contact (large-diameter contact) Each child) needs to be prepared. For this reason, the board inspection jig has a problem that a small-diameter contact and a large-diameter contact must be provided. This is because when a small-diameter contact and a large-diameter contact are used, the load for pressing against the inspection point of the substrate needs to be made different according to each contact. For this reason, in the board | substrate test | inspection jig | tool which comprises a small diameter contactor and a large diameter contactor, an electrode part cannot be comprised with a common member, but manufacture was complicated.

本発明は、このような実情に鑑みてなされたもので、小径接触子と大径接触子を具備する基板検査用治具であって、小径接触子及び大径接触子ともに安定した荷重で基板に導通接触することのできる基板検査用治具を提供する。   The present invention has been made in view of such a situation, and is a substrate inspection jig including a small diameter contactor and a large diameter contactor, and the substrate is loaded with a stable load on both the small diameter contactor and the large diameter contactor. Provided is a substrate inspection jig capable of being in conductive contact.

請求項1記載の発明は、被検査基板の電気的特性を検査するために、基板検査用装置本体と該被検査基板の配線パターンに設けられている複数の検査点との間の電気的導通を得るための基板検査用治具であって、両端に電気的導通を図る端部を有し、一方の端部が前記検査点に圧接される導電性を有する棒状の接触子を複数備える接触子群と、前記接触子群を保持する保持体と、前記接触子群の夫々の接触子の他方の端部と対向して配置されるとともに前記基板検査装置本体と電気的に接続される電極部を備えるとともに前記保持体を支持する電極体を有し、前記接触子は、一端側が前記検査点に導通接触する棒状部材と、前記棒状部材の他端側から延設して導通接続されるとともに前記電極部に導通されるコイルばねを有してなり、前記接触子群は、前記棒状部材の径の大きさが異なる接触子を複数備えてなり、前記接触子は、前記棒状部材の径の大きさに応じて、前記棒状部材に延設されるとともに保持体内部に収容される補助コイルばねを具備していること特徴とする基板検査用治具を提供する。
請求項2記載の発明は、前記接触子群は、前記電極部と前記コイルばねの荷重で電気的に接続されることを特徴とする請求項1記載の基板検査用治具を提供する。
請求項3記載の発明は、前記補助コイルばねは、前記コイルばねの径よりも大きく且つ該コイルばねと同心円となうように配置されていることを特徴とする請求項1又は2に記載の基板検査用治具を提供する。
請求項4記載の発明は、前記保持体は、複数の板状部材から形成され、前記補助コイルばねは、該補助コイルばねの一端が前記棒状部材に当接され、他端が前記板状部材の表面に当接されていることを特徴とする請求項1乃至3いずれかに記載の基板検査用治具を提供する。
請求項5記載の発明は、前記補助コイルばねは、該補助コイルばねの一端が前記棒状部材に当接され、他端が前記電極体の表面に当接されていることを特徴とする請求項1乃至3いずれかに記載の基板検査用治具を提供する。
請求項6記載の発明は、被検査基板の電気的特性を検査するために、基板検査用装置本体と電気的に接続される電極部と該被検査基板の配線パターンに設けられている複数の検査点との間の電気的導通を得るための基板検査用治具の保持体に具備される接触子であって、両端に電気的導通を図る端部を有し、一方の端部が前記検査点に圧接される導電性を有する棒状部材と、前記棒状部材の他方端に延設して導通接続されるとともに前記電極部に導通されるコイルばねと、前記棒状部材の他方端に延設して、前記コイルばねと同心状に配置され、前記検査点に圧接される場合に、前記検査点に荷重が生じる補助コイルばねを有することを特徴とする検査用接触子を提供する。
これらの発明を提供することによって、上記課題を悉く解決する。
According to the first aspect of the present invention, in order to inspect the electrical characteristics of the substrate to be inspected, electrical continuity between the substrate inspection apparatus main body and a plurality of inspection points provided in the wiring pattern of the substrate to be inspected. A substrate inspection jig for obtaining a contact having an end portion for electrical continuity at both ends, and one end portion having a plurality of conductive rod-shaped contactors pressed against the inspection point A group of contacts, a holder for holding the group of contacts, and an electrode disposed opposite to the other end of each contact of the group of contacts and electrically connected to the substrate inspection apparatus main body The contactor has an electrode body that supports the holding body, and the contact is electrically connected by extending from one end side of the rod-shaped member to one end side and the other end side of the rod-shaped member. And a coil spring that is electrically connected to the electrode portion. The child group includes a plurality of contacts having different diameters of the rod-shaped member, and the contacts are extended to the rod-shaped member according to the size of the diameter of the rod-shaped member and a holding body. Provided is a substrate inspection jig comprising an auxiliary coil spring housed inside.
According to a second aspect of the present invention, there is provided the substrate inspection jig according to the first aspect, wherein the contact group is electrically connected to the electrode portion by a load of the coil spring.
The invention according to claim 3 is characterized in that the auxiliary coil spring is arranged to be larger than the diameter of the coil spring and to be concentric with the coil spring. Provide a board inspection jig.
According to a fourth aspect of the present invention, the holding body is formed from a plurality of plate-like members, and the auxiliary coil spring has one end of the auxiliary coil spring in contact with the rod-like member and the other end of the plate-like member. The substrate inspection jig according to claim 1, wherein the substrate inspection jig is in contact with the surface of the substrate.
The invention according to claim 5 is characterized in that the auxiliary coil spring has one end of the auxiliary coil spring in contact with the rod-shaped member and the other end in contact with the surface of the electrode body. A substrate inspection jig according to any one of 1 to 3 is provided.
According to a sixth aspect of the present invention, in order to inspect the electrical characteristics of the substrate to be inspected, a plurality of electrodes provided in the electrode part electrically connected to the substrate inspection apparatus main body and the wiring pattern of the substrate to be inspected A contact provided in a holding body of a substrate inspection jig for obtaining electrical continuity between inspection points, having an end portion for electrical continuity at both ends, and one end portion of the contact A conductive rod-shaped member pressed against the inspection point, a coil spring extending to the other end of the rod-shaped member to be electrically connected and connected to the electrode portion, and extending to the other end of the rod-shaped member Then, an inspection contact is provided, comprising an auxiliary coil spring that is arranged concentrically with the coil spring and generates a load at the inspection point when pressed against the inspection point.
By providing these inventions, the above problems can be solved.

請求項1又は6記載の発明によれば、基板検査用治具の接触子が棒状部材の径の大きさを相違させ、この棒状部材の大きさに応じて補助コイルばねを具備させることができるので、平面ランドやスルーホールランドなどの検査点の種類に応じて対応する接触子を具備させることができるとともに電極部及び棒状部材に接続されるコイルばね等の部材を共通に使用できるため、汎用性の高い基板検査用治具やその基板検査用治具の接触子を提供することができる。
請求項2記載の発明によれば、電極部に掛かる荷重はコイルばねのみで、電極部の外径もコイルばね相当で良く、電極部及び電極体の製作が容易である。
請求項3記載の発明によれば、補助コイルばねがコイルばねの同心円状に配置されることになるので、簡単な形状の接触子を形成することができる。
請求項4及び5記載の発明によれば、補助コイルばねの他端が保持体の一部の板状部材や電極体の表面に当接することになるので、電極部の径を小さくすることができ、基板検査用治具をコンパクトにすることができる。
請求項6記載の発明によれば、補助コイルばねの交換に拠り、検査点の実状に応じた圧接荷重に適正に変更することもできる。
According to the first or sixth aspect of the present invention, the contact of the substrate inspection jig can have different diameters of the rod-shaped member, and the auxiliary coil spring can be provided according to the size of the rod-shaped member. Therefore, it is possible to provide contacts corresponding to the types of inspection points such as planar lands and through-hole lands, and to use members such as coil springs connected to the electrode section and rod-shaped member in common. It is possible to provide a highly reliable substrate inspection jig and a contact for the substrate inspection jig.
According to the second aspect of the present invention, the load applied to the electrode part is only the coil spring, the outer diameter of the electrode part may be equivalent to the coil spring, and the manufacture of the electrode part and the electrode body is easy.
According to the invention described in claim 3, since the auxiliary coil springs are arranged concentrically with the coil spring, it is possible to form a contact having a simple shape.
According to the inventions of claims 4 and 5, the other end of the auxiliary coil spring comes into contact with a part of the plate-like member of the holding body and the surface of the electrode body, so that the diameter of the electrode portion can be reduced. The board inspection jig can be made compact.
According to the sixth aspect of the present invention, it is possible to appropriately change the pressure contact load according to the actual state of the inspection point by replacing the auxiliary coil spring.

本発明を実施するための最良の形態を説明する。
図1は、本発明に係る基板検査用治具1を使用する場合の全体の概略構成を示している。この図1では、基板検査用治具1は、複数の接触子2、これら接触子2を多針状に保持する保持体3、この保持体3を支持するとともに接触子2と接触して導通となる電極部(図示せず)を有する電極体4、検出される電気信号を処理する検査信号処理部5、及び電極部と検査信号処理部5を接続する導線44を示している。
接触子2は、電極部と検査点を電気的に接続する。また、この接触子2は、被検査基板に形成される配線パターンの各検査点に接触する端子であり、平面ランドに導通接続される接触子と、スルーホールランドに導通接続される接触子と、少なくとも2種類の径の相違する接触子で構成されている。
保持体3は、接触子2を多針状に保持するとともに、接触子2の一方端を検査点へ、他方端を電極部へ夫々案内する。
本発明は、この基板検査用治具1に関する発明であり、特に、接触子2とこの接触子2を保持する保持体3に関するものである。
尚、図1は概略を示す図であり、接触子2の本数やワイヤーケーブルの本数は特に限定されるものではない。また、図面中で示される接触子2や電極部41は、説明の都合上一本分の構造しか開示しておらず、実際の基板検査用治具1では複数の接触子やその接触子2に対応する複数の電極部を有している。
The best mode for carrying out the present invention will be described.
FIG. 1 shows an overall schematic configuration when a substrate inspection jig 1 according to the present invention is used. In FIG. 1, a substrate inspection jig 1 includes a plurality of contacts 2, a holding body 3 that holds the contacts 2 in a multi-needle shape, supports the holding body 3, and comes into contact with the contact 2 to be conductive. 2 shows an electrode body 4 having an electrode portion (not shown), an inspection signal processing portion 5 that processes an electric signal to be detected, and a lead wire 44 that connects the electrode portion and the inspection signal processing portion 5.
The contact 2 electrically connects the electrode part and the inspection point. The contact 2 is a terminal that contacts each inspection point of the wiring pattern formed on the substrate to be inspected, and a contact that is conductively connected to the planar land and a contact that is conductively connected to the through-hole land. At least two types of contacts having different diameters are used.
The holding body 3 holds the contact 2 in a multi-needle shape, and guides one end of the contact 2 to the inspection point and the other end to the electrode portion.
The present invention relates to the substrate inspection jig 1, and particularly relates to the contact 2 and the holding body 3 that holds the contact 2.
FIG. 1 is a schematic view, and the number of contacts 2 and the number of wire cables are not particularly limited. Further, the contactor 2 and the electrode part 41 shown in the drawings are disclosed only for one structure for convenience of explanation, and the actual substrate inspection jig 1 has a plurality of contacts and their contacts 2. It has a plurality of electrode parts corresponding to.

本発明の基板検査用治具が利用される基板の説明を行う。
図2は本発明の基板検査用治具が利用される基板の断面図である。図2で示される基板CBでは、検査対象となる配線Wが示されるとともに、この配線W上に形成される、平面ランドに形成される検査点Aと、スルーホールランドに形成される検査点Bが記載されている。図2の基板CBでは、便宜上、平面ランドとスルーホールランドが一つずつ設定されている。
平面ランドの検査点Aでは、基板CBの表面上の配線に形成される検査点であり、接触子を直接圧接させて検査が実施される。スルーホールランドの検査点Bでは、基板CBを貫通する孔部が形成される検査点であり、接触子の先端の一部がこの孔部の内側に収容されて、接触子の先端が孔部の周縁と圧接(導通接触)させて、検査が実施される。
The board | substrate with which the jig | tool for board | substrate inspection of this invention is utilized is demonstrated.
FIG. 2 is a cross-sectional view of a substrate in which the substrate inspection jig of the present invention is used. In the substrate CB shown in FIG. 2, the wiring W to be inspected is shown, and the inspection point A formed on the planar land and the inspection point B formed on the through-hole land formed on the wiring W. Is described. In the substrate CB of FIG. 2, one flat land and one through-hole land are set for convenience.
The inspection point A on the planar land is an inspection point formed on the wiring on the surface of the substrate CB, and the inspection is performed by directly pressing the contact. The inspection point B of the through-hole land is an inspection point where a hole penetrating the substrate CB is formed. A part of the tip of the contact is accommodated inside the hole, and the tip of the contact is the hole. An inspection is carried out by press-contacting (conducting contact) with the peripheral edge.

図3は本発明にかかる基板検査用治具の第一実施形態を示す断面図である。
本発明にかかる基板検査用治具の第一実施形態では、平面ランドの検査点に対応する小径接触子21と、スルーホールランドの検査点に対応する大径接触子22が設けられる基板検査用治具1の説明を行う。
この図3では、保持体3に接触子2が保持される断面図を示しているが、小径接触子21と大径接触子22が夫々一本ずつ示されている。
FIG. 3 is a cross-sectional view showing a first embodiment of a substrate inspection jig according to the present invention.
In the first embodiment of the substrate inspection jig according to the present invention, a small-diameter contactor 21 corresponding to a planar land inspection point and a large-diameter contactor 22 corresponding to a through-hole land inspection point are provided. The jig 1 will be described.
FIG. 3 shows a cross-sectional view in which the contact 2 is held by the holding body 3, but one small diameter contact 21 and one large diameter contact 22 are shown.

小径接触子21は、平面ランドとなる検査点Aに導通接触される接触子である。
この小径接触子21は、棒状部材211とコイルばね212と係止部213を有してなり、この小径接触子21の一方端が検査点と導通接触され、他方端が電極部と導通接触される。
棒状部材211は、導電性の素材から形成される円柱形状の部材である。この棒状部材211の先端は、小径接触子21の一方端として機能するため、棒状部材211の先端は円錐に形成されている。この棒状部材211の後端はコイルばね212が導通接続されている。この図3の棒状部材211の後端は、コイルばね212を接続するため、平坦状又は円錐に形成されている。
この小径接触子21の棒状部材211は、例えば、その径を0.2〜0.4mmに形成することができ、その長さは製造者により適宜に設定することができる。
The small-diameter contact 21 is a contact that is brought into conductive contact with the inspection point A serving as a planar land.
The small-diameter contact 21 includes a rod-shaped member 211, a coil spring 212, and a locking portion 213. One end of the small-diameter contact 21 is in electrical contact with the inspection point, and the other end is in electrical contact with the electrode portion. The
The rod-shaped member 211 is a cylindrical member formed from a conductive material. Since the tip of the rod-shaped member 211 functions as one end of the small diameter contactor 21, the tip of the rod-shaped member 211 is formed in a cone. A coil spring 212 is conductively connected to the rear end of the bar member 211. The rear end of the rod-shaped member 211 in FIG. 3 is formed in a flat shape or a cone in order to connect the coil spring 212.
The rod-shaped member 211 of the small diameter contactor 21 can be formed to have a diameter of 0.2 to 0.4 mm, for example, and the length can be appropriately set by the manufacturer.

コイルばね212は、棒状部材211の後端に延設される。このコイルばね212は、棒状部材211の長手方向に伸縮するように設けられている。このコイルばね212の先端は棒状部材211に導通接続され、後端は電極部に導通接続されることになる。
コイルばね212の径は、棒状部材211の径と略同じか、この径よりも小さいことが好ましい。このように棒状部材211の径と同じか小さく形成されることにより、基板検査用治具の微細化を図ることができる。
The coil spring 212 extends at the rear end of the rod-shaped member 211. The coil spring 212 is provided so as to expand and contract in the longitudinal direction of the rod-shaped member 211. The front end of the coil spring 212 is conductively connected to the rod-shaped member 211, and the rear end is conductively connected to the electrode portion.
The diameter of the coil spring 212 is preferably substantially the same as or smaller than the diameter of the rod-shaped member 211. Thus, by forming the same as or smaller than the diameter of the rod-shaped member 211, the substrate inspection jig can be miniaturized.

係止部213は、棒状部材211の周縁に設けられている。この係止部213は、棒状部材211よりも径大に形成されることにより、後述する保持体3から抜け出ることを防止することができる。
この係止部213が設けられる位置は、特に限定されず、棒状部材211の中央よりも先端よりに設けることもできる。
The locking portion 213 is provided on the periphery of the rod-shaped member 211. The locking portion 213 can be prevented from coming out of the holding body 3 to be described later by being formed larger in diameter than the rod-shaped member 211.
The position at which the locking portion 213 is provided is not particularly limited, and can be provided from the tip rather than the center of the rod-shaped member 211.

大径接触子22は、スルーホールランドとなる検査点Bに導通接触される接触子である。
この大径接触子22は、棒状部材221とコイルばね222と係止部223と補助コイルばね224を有してなり、この大径接触子22の一方端が検査点と導通接触され、他方端が電極部と導通接触される。
棒状部材221は、導電性の素材から形成される円柱形状の部材であり、この棒状部材221は、先端部221a、中央部221bと後端部221cを有してなる。
先端部221aは、その先端がスルーホールランドの孔部の径よりも大きい径を有する先鋭(円錐状)の形状を有するように形成されている(図3参照)。
中央部221bは、先端部221aから延出されて設けられるとともに棒状部材221の長さの調整を行う。この中央部221bは後述する補助コイルばね225の保持部として利用することもできる。
後端部221cは、中央部221bから延出されて設けられるとともに、コイルばね222と導通接続される。
この後端部221cは、小径接触子21の棒状部材212と略同じ径を有している。後端部221cが小径接触子21の棒状部材212と略同じ径を有するように形成されることによって、コイルばね222とコイルばね212は同一の部材とすることができる。
このため、コイルばね212(222)は、共通部材となり、電極部に接続される接触子の他端部は共通部材となる。
先端部221aの径は、例えば、1.0〜1.6mmに形成することができ、その長さは製造者により適宜に設定することができる。
中央部221bの径は、例えば、0.6〜0.8mmに形成することができ、その長さは製造者により適宜に設定することができる。
後端部221cの径は、小径接触子21の棒状部材211の径と同じに形成することができ、例えば、0.2〜0.4mmに形成することができ、その長さは製造者により適宜に設定することができる。
The large-diameter contact 22 is a contact that is brought into conductive contact with the inspection point B serving as a through-hole land.
The large-diameter contact 22 includes a rod-shaped member 221, a coil spring 222, a locking portion 223, and an auxiliary coil spring 224. One end of the large-diameter contact 22 is electrically connected to an inspection point, and the other end Is in conductive contact with the electrode portion.
The rod-shaped member 221 is a columnar member formed from a conductive material, and the rod-shaped member 221 has a front end portion 221a, a central portion 221b, and a rear end portion 221c.
The tip 221a is formed so that the tip has a sharp (conical) shape having a diameter larger than the diameter of the hole of the through-hole land (see FIG. 3).
The central portion 221b is provided to extend from the distal end portion 221a and adjusts the length of the rod-shaped member 221. The central portion 221b can also be used as a holding portion for an auxiliary coil spring 225 described later.
The rear end portion 221c is provided to extend from the central portion 221b and is conductively connected to the coil spring 222.
The rear end 221c has substantially the same diameter as the rod-shaped member 212 of the small diameter contactor 21. By forming the rear end 221c to have substantially the same diameter as the rod-shaped member 212 of the small diameter contactor 21, the coil spring 222 and the coil spring 212 can be the same member.
For this reason, the coil spring 212 (222) is a common member, and the other end of the contact connected to the electrode portion is a common member.
The diameter of the tip 221a can be formed, for example, at 1.0 to 1.6 mm, and the length can be appropriately set by the manufacturer.
The diameter of the center part 221b can be formed, for example, at 0.6 to 0.8 mm, and the length can be appropriately set by the manufacturer.
The diameter of the rear end part 221c can be formed to be the same as the diameter of the rod-shaped member 211 of the small diameter contactor 21, and can be formed to 0.2 to 0.4 mm, for example. It can be set appropriately.

コイルばね222は、棒状部材221の後端部221cの後端に延設される。このコイルばね222は、棒状部材221の長手方向に伸縮するように設けられている。このコイルばね222の先端は、棒状部材221の後端部221cに導通接続され、コイルばね222の後端は電極部に導通接続されることになる。
コイルばね222は、コイルばね212と同じ部材を利用する。
The coil spring 222 extends at the rear end of the rear end portion 221c of the rod-shaped member 221. The coil spring 222 is provided so as to expand and contract in the longitudinal direction of the rod-shaped member 221. The tip of the coil spring 222 is conductively connected to the rear end 221c of the rod-shaped member 221, and the rear end of the coil spring 222 is conductively connected to the electrode portion.
The coil spring 222 uses the same member as the coil spring 212.

係止部223は、棒状部材221の先端部221aの周縁に設けられている。この係止部223は、棒状部材211の先端部221aよりも径大に形成されることにより、後述する保持体3から抜け出ることを防止する。
この係止部223が設けられる位置は、特に限定されず、棒状部材221先端部221a後端に設けることもできる。
The locking portion 223 is provided at the periphery of the tip portion 221a of the rod-shaped member 221. The locking portion 223 is formed to have a diameter larger than that of the distal end portion 221a of the rod-shaped member 211, thereby preventing the locking portion 223 from coming out of the holding body 3 described later.
The position at which the locking portion 223 is provided is not particularly limited, and can be provided at the rear end of the rod-shaped member 221 tip 221a.

補助コイルばね224は、大径接触子22が基板CBに圧接された場合に、検査点Bに接触することで接触荷重を増加させる。小径接触子21と大径接触子22は、コイルばね212により圧接するための荷重(コイルばねが収縮することによる付勢状態)を生み出すことになるが、大径接触子22はその接触子の径が小径接触子21よりも大きいため、小径接触子21よりも大きな押圧力(付勢力)が必要となる。この必要な力を補助コイルばね224により得ることができる。
例えば、図3の大径接触子22では、補助コイルばね224が棒状部材221の先端部221aと中央部221bとの境界面にその一端が当接され、他端が保持体3を形成する板状部材の表面に当接している。このため、補助コイルばね224は、検査が実施された場合に、基板CBに押圧されるとコイルばね222と補助コイルばね224が収縮する。コイルばね222と補助コイルばね224が収縮することになるので、二つのコイルばねから付勢力を得ることになる。
尚、この補助コイルばね224の径は、大径接触子22の係止部223よりも小さくなるように形成されることが好ましい(図3参照)。
The auxiliary coil spring 224 increases the contact load by contacting the inspection point B when the large-diameter contact 22 is pressed against the substrate CB. The small-diameter contactor 21 and the large-diameter contactor 22 generate a load (a biased state due to contraction of the coil spring) for pressure contact with the coil spring 212. The large-diameter contactor 22 Since the diameter is larger than that of the small-diameter contact 21, a larger pressing force (biasing force) than that of the small-diameter contact 21 is required. This necessary force can be obtained by the auxiliary coil spring 224.
For example, in the large-diameter contact 22 of FIG. 3, the auxiliary coil spring 224 is a plate on which one end abuts on the boundary surface between the tip 221 a and the center 221 b of the rod-shaped member 221 and the other end forms the holding body 3. It contacts the surface of the member. For this reason, when the auxiliary coil spring 224 is pressed against the substrate CB when the inspection is performed, the coil spring 222 and the auxiliary coil spring 224 contract. Since the coil spring 222 and the auxiliary coil spring 224 contract, an urging force is obtained from the two coil springs.
In addition, it is preferable that the diameter of this auxiliary coil spring 224 is formed so that it may become smaller than the latching | locking part 223 of the large diameter contactor 22 (refer FIG. 3).

図3で示される補助コイルばね224は、平面視において、コイルばね222と同心円となるように配置される。
電極部41との導通接続は、大径接触子22ではコイルばね222により行われ、小径接触子21ではコイルばね212により行われる。
The auxiliary coil spring 224 shown in FIG. 3 is arranged so as to be concentric with the coil spring 222 in plan view.
The conductive connection with the electrode portion 41 is made by the coil spring 222 in the large diameter contactor 22 and by the coil spring 212 in the small diameter contactor 21.

保持体3は、接触子2の一方端を検査点へ案内するとともに、接触子2の他方端を電極部へ案内する。この保持体3は複数の板状部材を積層することにより形成されることができる。この板状部材に所定の貫通孔を形成することにより、この貫通孔に接触子を挿入して保持させる。
図3で示される第一実施形態の保持体3は、第一板状部材31、第二板状部材32と第三板状部材33と3枚の板状部材を積層して形成されている。図3の実施形態では、3枚の板状部材を積層して保持体3を形成しているが、後述する機能を有していれば、板状部材の枚数は特に限定されない。
The holding body 3 guides one end of the contact 2 to the inspection point and guides the other end of the contact 2 to the electrode portion. This holding body 3 can be formed by laminating a plurality of plate-like members. By forming a predetermined through hole in the plate-like member, a contact is inserted and held in the through hole.
The holding body 3 of the first embodiment shown in FIG. 3 is formed by laminating a first plate member 31, a second plate member 32, a third plate member 33, and three plate members. . In the embodiment of FIG. 3, the holding body 3 is formed by laminating three plate-like members, but the number of plate-like members is not particularly limited as long as it has a function described later.

第一板状部材31は、接触子2の一方端を検査点に案内する。この第一板状部材31には、第一小案内孔31aと第一大案内孔31bが形成されている。
この第一小案内孔31aは、小径接触子21を検査点Aに案内するとともに、小径接触子21の抜け防止を行うため係止部213の径よりも大きい孔部(大孔部)と小径接触子21の棒状部材211の径より大きく係止部213の径よりも小さい孔部(小孔部)が形成される。この小孔部と大孔部は、小孔部が外側(検査点側)になるように連通連結されている。
第一大案内孔31bは、大径接触子22を検査点Bに案内するとともに、大径接触子22の抜け防止を行うため係止部223の径よりも大きい孔部(大孔部)と大径接触子22の棒状部材211の径より大きく係止部223の径よりも小さい孔部(小孔部)が形成される。この小孔部と大孔部は、小孔部が外側(検査点側)になるように連通連結されている。
尚、第一板状部材31に設けられる第一小案内孔31aと第一大案内孔31bは、小径接触子21と大径接触子22とともに長手方向に伸縮運動が行われるため、この伸縮運動が行うことができるだけの空間を有する必要がある。
The first plate-like member 31 guides one end of the contact 2 to the inspection point. The first plate-like member 31 has a first small guide hole 31a and a first large guide hole 31b.
The first small guide hole 31a guides the small diameter contactor 21 to the inspection point A and prevents the small diameter contactor 21 from coming off, and has a hole portion (large hole portion) larger than the diameter of the locking portion 213 and a small diameter. A hole (small hole) that is larger than the diameter of the rod-shaped member 211 of the contactor 21 and smaller than the diameter of the locking portion 213 is formed. The small hole portion and the large hole portion are connected in communication so that the small hole portion is on the outside (inspection point side).
The first large guide hole 31b guides the large-diameter contact 22 to the inspection point B, and prevents a large-diameter contact 22 from coming off, and has a hole (large hole) larger than the diameter of the locking portion 223. A hole (small hole) larger than the diameter of the rod-shaped member 211 of the large-diameter contact 22 and smaller than the diameter of the locking portion 223 is formed. The small hole portion and the large hole portion are connected in communication so that the small hole portion is on the outside (inspection point side).
The first small guide hole 31a and the first large guide hole 31b provided in the first plate member 31 are expanded and contracted in the longitudinal direction together with the small diameter contactor 21 and the large diameter contactor 22. Need to have enough space to do.

第二板状部材32は、接触子2をその孔部に収容する。この第二板状部材32は、第二小案内孔32aと第二大案内孔32bが形成されている。
この第二小案内孔32aは、小径接触子21の棒状部材211を収容し、第一板状部材31の第一小案内孔31aと連通連結される。第二小案内孔32aの径は、棒状部材211の径よりも大きく形成されている。
第二大案内孔32bは、大径接触子22をその孔部に収容する。第二大案内孔32bは、大径接触子22の棒状部材221を収容し、第一板状部材31の第一大案内孔32bと連通連結される。第二大案内孔32bの径は、棒状部材221の径よりも大きく形成されている。
尚、第二小案内孔32aと第二大案内孔32bは、夫々小径接触子21の係止部213と大径接触子22の係止部223の径よりも大きく形成され、これら第二小案内孔32aと第二大案内孔32b内で小径接触子21と大径接触子22が伸縮する空間とすることもできる。
The 2nd plate-shaped member 32 accommodates the contact 2 in the hole. The second plate-like member 32 has a second small guide hole 32a and a second large guide hole 32b.
The second small guide hole 32 a accommodates the rod-shaped member 211 of the small diameter contactor 21 and is connected to the first small guide hole 31 a of the first plate-shaped member 31 in communication. The diameter of the second small guide hole 32 a is formed larger than the diameter of the rod-shaped member 211.
The second large guide hole 32b accommodates the large-diameter contact 22 in the hole. The second large guide hole 32 b accommodates the rod-shaped member 221 of the large-diameter contact 22 and is connected in communication with the first large guide hole 32 b of the first plate-shaped member 31. The diameter of the second large guide hole 32 b is formed larger than the diameter of the rod-shaped member 221.
The second small guide hole 32a and the second large guide hole 32b are formed larger than the diameters of the locking portion 213 of the small diameter contactor 21 and the locking portion 223 of the large diameter contactor 22, respectively. A space in which the small diameter contactor 21 and the large diameter contactor 22 extend and contract in the guide hole 32a and the second large guide hole 32b may be used.

第三板状部材33は、接触子2の他方端を電極部へ案内する。この第三板状部材33は、小径接触子21の他方端を電極部へ案内するための第三小案内孔33aと、大径接触子22の他方端を電極部へ案内するための第三大案内孔33bが形成されている。
小径接触子21の他端はコイルばね212であり、大径接触子22の他端は同一のコイルばね222であるため、この第三小案内孔33aと第三大案内孔33bは、コイルばね212(222)よりも大きい径を有する孔部に形成されている。
The third plate-like member 33 guides the other end of the contact 2 to the electrode part. The third plate-like member 33 includes a third small guide hole 33a for guiding the other end of the small diameter contactor 21 to the electrode portion, and a third for guiding the other end of the large diameter contactor 22 to the electrode portion. A large guide hole 33b is formed.
Since the other end of the small diameter contactor 21 is a coil spring 212 and the other end of the large diameter contactor 22 is the same coil spring 222, the third small guide hole 33a and the third large guide hole 33b are coil springs. It is formed in a hole having a diameter larger than 212 (222).

第一実施形態の保持体3は、小径接触子21と大径接触子22を保持することになるが、第三板状部材33の案内孔は共通のものとして形成することができる。このため、小径接触子21と大径接触子22を用いる場合であっても、第三板状部材33は接触子2の大きさに因ることなく利用することができる。   The holding body 3 of the first embodiment holds the small diameter contactor 21 and the large diameter contactor 22, but the guide hole of the third plate member 33 can be formed as a common one. For this reason, even if it is a case where the small diameter contactor 21 and the large diameter contactor 22 are used, the 3rd plate-shaped member 33 can be utilized regardless of the magnitude | size of the contactor 2. FIG.

第一実施形態の保持体3が有する第三板状部材33は、第二板状部材32の第二大案内孔32bの径が第三大案内孔33bの径よりも大きく形成されているので、補助コイルばね224の他端が当接することになる。このため、補助コイルばね224は一端が大径接触子22の棒状部材221の係止部213に、また、他端が第三板状部材33に圧接されることになる。   Since the third plate-like member 33 included in the holding body 3 of the first embodiment is formed such that the diameter of the second large guide hole 32b of the second plate-like member 32 is larger than the diameter of the third large guide hole 33b. The other end of the auxiliary coil spring 224 comes into contact. For this reason, one end of the auxiliary coil spring 224 is pressed against the locking portion 213 of the rod-shaped member 221 of the large-diameter contact 22 and the other end is pressed against the third plate-shaped member 33.

第一実施形態では、小径接触子21が最小の径を有する接触子であるため、この小径接触子21の径を基準として、大径接触子22の径の大きさに応じる補助コイルばね224を設けることにより、荷重の変化を調整することができる。
このように最も小径の接触子を基準とする電極部が形成されることから、最も小さな大きさの電極部を用いることができる。
In the first embodiment, since the small diameter contactor 21 is a contactor having the smallest diameter, the auxiliary coil spring 224 corresponding to the diameter of the large diameter contactor 22 is provided with the diameter of the small diameter contactor 21 as a reference. By providing, a change in load can be adjusted.
Thus, since the electrode part on the basis of the contact with the smallest diameter is formed, the electrode part with the smallest size can be used.

電極体4は、接触子群の夫々の接触子2の他方の端部と対向して配置されるとともに、基板検査装置本体と電気的に接続される電極部41を備える。この電極体4は、前述の電極部41とこの電極部41を保持する電極保持体42を有してなる。
電極部41は、導線などの導電性ワイヤーを利用して形成することができ、例えば、導電性ワイヤーを貫通するように電極保持体42にて保持し、電極保持体42の表面と導電性ワイヤーの端面が面一となるように切断して形成することもできる。
この電極部41は、上記の如く、導電性ワイヤーを利用して形成することができ、導通接触する接触子2のコイルばね212(222)の径と略同じ又は僅かに大きくなるように形成されている。このため、電極部41は、小径接触子21に応じて最小の大きさに形成されることになる。
尚、この電極部41は、基板検査用装置(図示せず)に電気的に接続される。
The electrode body 4 includes an electrode portion 41 that is disposed opposite to the other end of each contact 2 of the contact group and is electrically connected to the substrate inspection apparatus main body. The electrode body 4 includes the above-described electrode portion 41 and an electrode holder 42 that holds the electrode portion 41.
The electrode portion 41 can be formed using a conductive wire such as a conductive wire. For example, the electrode portion 41 is held by the electrode holder 42 so as to penetrate the conductive wire, and the surface of the electrode holder 42 and the conductive wire It can also be formed by cutting so that the end faces of the two are flush with each other.
As described above, the electrode portion 41 can be formed using a conductive wire, and is formed so as to be approximately the same as or slightly larger than the diameter of the coil spring 212 (222) of the contact 2 that is in conductive contact. ing. For this reason, the electrode part 41 is formed in the minimum magnitude | size according to the small diameter contactor 21. FIG.
The electrode part 41 is electrically connected to a substrate inspection apparatus (not shown).

この第一実施形態の基板検査用治具は、基板CBの検査点に当接される前に予め、コイルばね212(222)と補助コイルばね224を付勢状態にしておくことが好ましい。このように予め付勢状態とすることによって、接触子2を電極部41へ押圧した状態とすることができるからである。   In the board inspection jig of the first embodiment, it is preferable that the coil spring 212 (222) and the auxiliary coil spring 224 are biased in advance before being brought into contact with the inspection point of the board CB. This is because the contact 2 can be pressed against the electrode portion 41 by setting the biased state in advance.

次に、第二実施形態の基板検査用治具(第二基板検査用治具)について説明する。
図4は、第二実施形態の基板検査用治具の概略断面図を示す。
第二基板検査用治具は、第一基板検査用治具と比較すると、大きな相違点として保持体3の構成が相違している。
尚、第二基板検査用治具の説明は、第一基板検査用治具との相違点を中心に説明する。
Next, a substrate inspection jig (second substrate inspection jig) of the second embodiment will be described.
FIG. 4 shows a schematic cross-sectional view of the substrate inspection jig of the second embodiment.
The second substrate inspection jig is different from the first substrate inspection jig in that the structure of the holding body 3 is different.
The description of the second substrate inspection jig will be focused on differences from the first substrate inspection jig.

図4で示される第二基板検査用治具は、第一基板検査用治具と同様、小径接触子と大径接触子を有してなり、保持体3が所定間隔を有して配置される3つの板状部材から形成されている。
第二基板検査用治具は、保持体3として、第一板状部材31、第二板状部材32と第三板状部材33を有しており、第三板状部材33は電極体4と当接して配置され、第二板状部材32は第三板状部材33から所定間隔を有して配置され、第一板状部材31は第二板状部材32から所定間隔を有して配置される。
Similar to the first substrate inspection jig, the second substrate inspection jig shown in FIG. 4 has a small-diameter contact and a large-diameter contact, and the holding body 3 is arranged at a predetermined interval. Are formed from three plate-like members.
The second substrate inspection jig includes a first plate member 31, a second plate member 32, and a third plate member 33 as the holding body 3, and the third plate member 33 is an electrode body 4. The second plate member 32 is disposed with a predetermined distance from the third plate member 33, and the first plate member 31 is disposed with a predetermined interval from the second plate member 32. Be placed.

小径接触子21は、棒状部材211とコイルばね212を有してなる(図3参照)。
棒状部材211は、コイルばね212よりも小さい径で形成されており、その長手方向の長さは適宜に設定される。
大径接触子22は、棒状部材221、コイルばね222、係止部223と補助コイルばね224を有してなる(図4参照)。
棒状部材221は、係止部223がその後端に延設されており、係止部223の径よりも小さい径に形成されている。係止部223の後端にはコイルばね222と補助コイルばね224が接続されている。
この補助コイルばね224は、コイルばね222と同様、係止部223(棒状部材221)の後端面に導通接続されており、長軸方向に伸縮するように配置されている。このとき、電極部41は、コイルばね222(212)と略同じ径を有するように形成されているため、補助コイルばね224は、電極部41と導通接触しなくても良い。
The small diameter contactor 21 includes a rod-shaped member 211 and a coil spring 212 (see FIG. 3).
The rod-shaped member 211 is formed with a smaller diameter than the coil spring 212, and the length in the longitudinal direction is appropriately set.
The large-diameter contact 22 includes a rod-shaped member 221, a coil spring 222, a locking portion 223, and an auxiliary coil spring 224 (see FIG. 4).
The rod-shaped member 221 has a locking portion 223 extending at the rear end thereof, and has a diameter smaller than the diameter of the locking portion 223. A coil spring 222 and an auxiliary coil spring 224 are connected to the rear end of the locking portion 223.
Similar to the coil spring 222, the auxiliary coil spring 224 is conductively connected to the rear end surface of the locking portion 223 (bar-shaped member 221) and is disposed so as to expand and contract in the long axis direction. At this time, since the electrode part 41 is formed so as to have substantially the same diameter as the coil spring 222 (212), the auxiliary coil spring 224 may not be in conductive contact with the electrode part 41.

この第二基板検査用治具の保持体3は、上述の如く、第一板状部材31、第二板状部材32と第三板状部材33を有している。各板状部材には、小径接触子21と大径接触子22を保持するための孔部が形成されている。
第一板状部材31は、小径接触子21の棒状部材211を検査点Aに案内する第一小孔部31aが形成されるとともに、大径接触子22の棒状部材221を検査点Bに案内する第一大孔部31bを有してなる。
第二板状部材32は、小径接触子21の棒状部材211を貫通させて収容する第二小孔部32aが形成されるとともに、大径接触子22の係止部223を貫通させて収容する第二小孔部32bが形成される。
第三板状部材33は、小径接触子21の棒状部材211を貫通収容する小孔部とコイルばね212を収容する大孔部が連通連結される第三小孔部33aが形成されている。この第三小孔部33aの大孔部の径は、第三小孔部33aの小孔部の径よりも大きく形成され、この小孔部は、棒状部材211の径より大きく且つコイルばね212の径より小さい形成されているため、小径接触子21が抜け出ることを防止している。
第三板状部材33は、大径接触子22の係止部223の一部(後端)を収容するとともに補助コイルばね224を収容する第三大孔部33bが形成されている。この第三大孔部33bの径は、係止部223の径よりも大きい径を有するように形成されている。
尚、大径接触子22は、第一板状部材31の第一大孔部31bの径が係止部223の径よりも小さい径となるように形成されているので、大径接触子22が抜け出ることも防止することができる。
As described above, the second substrate inspection jig holder 3 includes the first plate member 31, the second plate member 32, and the third plate member 33. Each plate-like member is formed with a hole for holding the small-diameter contact 21 and the large-diameter contact 22.
The first plate-like member 31 is formed with a first small hole portion 31a for guiding the rod-like member 211 of the small-diameter contactor 21 to the inspection point A, and guides the rod-like member 221 of the large-diameter contactor 22 to the inspection point B. The first large hole portion 31b is formed.
The second plate-like member 32 is formed with a second small hole portion 32a that penetrates and accommodates the rod-like member 211 of the small-diameter contact 21 and penetrates and engages the locking portion 223 of the large-diameter contact 22. A second small hole portion 32b is formed.
The third plate-like member 33 is formed with a third small hole portion 33a in which a small hole portion that penetrates and accommodates the rod-shaped member 211 of the small diameter contactor 21 and a large hole portion that accommodates the coil spring 212 are connected. The diameter of the large hole portion of the third small hole portion 33 a is formed larger than the diameter of the small hole portion of the third small hole portion 33 a, and this small hole portion is larger than the diameter of the rod-shaped member 211 and the coil spring 212. Therefore, the small-diameter contact 21 is prevented from coming out.
The third plate-like member 33 is formed with a third large hole portion 33 b that accommodates a part (rear end) of the engaging portion 223 of the large-diameter contact 22 and accommodates the auxiliary coil spring 224. The diameter of the third large hole portion 33 b is formed so as to have a larger diameter than the diameter of the locking portion 223.
The large diameter contactor 22 is formed so that the diameter of the first large hole portion 31b of the first plate-like member 31 is smaller than the diameter of the locking portion 223. Can also be prevented from coming out.

第二基板検査用治具では、大径接触子22のコイルばね222と補助コイルばね224とが、平面視において同心円(同軸)となるように配置されている(図4参照)。   In the second substrate inspection jig, the coil spring 222 and the auxiliary coil spring 224 of the large-diameter contact 22 are arranged so as to be concentric (coaxial) in plan view (see FIG. 4).

電極体4の電極部41は、第一基板検査用治具の電極部と同様に形成され、第二基板検査用治具の電極部41は、コイルばね212(222)の径よりも大きい径を有するように形成されている。
以上が第二基板検査用治具の説明である。
The electrode portion 41 of the electrode body 4 is formed in the same manner as the electrode portion of the first substrate inspection jig, and the electrode portion 41 of the second substrate inspection jig has a diameter larger than the diameter of the coil spring 212 (222). It is formed to have.
The above is the description of the second substrate inspection jig.

次に、第三実施形態の基板検査用治具(第三基板検査用治具)について説明する。
図5は、第三実施形態の基板検査用治具の概略断面図を示す。
第三基板検査用治具は、第一基板検査用治具と比較すると、大きな相違点として接触子2の両端に棒状部材を有する構成が相違している。
尚、第三基板検査用治具の説明は、第一基板検査用治具との相違点を中心に説明する。
Next, a substrate inspection jig (third substrate inspection jig) according to the third embodiment will be described.
FIG. 5 is a schematic cross-sectional view of the substrate inspection jig according to the third embodiment.
As compared with the first substrate inspection jig, the third substrate inspection jig is different from the first substrate inspection jig in that it has rod-shaped members at both ends of the contact 2.
The description of the third substrate inspection jig will be focused on differences from the first substrate inspection jig.

図5で示される第三基板検査用治具は、第一基板検査用治具と同様、小径接触子と大径接触子の両端に棒状部材を有してなり、保持体3が3つの板状部材から形成されている。
第三基板検査用治具の小径接触子21は、先端棒状部材211、コイルばね212、先端係止部213、後端棒状部材218と後端係止部219を有してなり、これらの部材が図5で示される如き連結されて配置されている。
先端棒状部材211の径は、先端係止部213の径よりも小さく形成されており、後端棒状部材218の径は、後端係止部219の径よりも小さく形成されている。先端係止部213は先端棒状部材211の略中央に形成されており、後端係止部219は後端棒状部材218の略中央に形成されている。コイルばね212は、先端棒状部材211と後端棒状部材218を電気的に接続する。
尚、先端棒状部材211と後端棒状部材218は、同一の部材から形成することができる。
As in the first substrate inspection jig, the third substrate inspection jig shown in FIG. 5 has rod-shaped members on both ends of the small-diameter contact and the large-diameter contact, and the holder 3 has three plates. It is formed from a shaped member.
The small-diameter contact 21 of the third board inspection jig includes a front end bar-shaped member 211, a coil spring 212, a front end locking part 213, a rear end bar-shaped member 218, and a rear end locking part 219. Are connected and arranged as shown in FIG.
The diameter of the distal end bar-shaped member 211 is smaller than the diameter of the distal end locking part 213, and the diameter of the rear end bar-shaped member 218 is smaller than the diameter of the rear end locking part 219. The front end locking part 213 is formed in the approximate center of the front end bar-shaped member 211, and the rear end locking part 219 is formed in the approximate center of the rear end bar-shaped member 218. The coil spring 212 electrically connects the leading end bar-shaped member 211 and the trailing end bar-shaped member 218.
The leading end bar-shaped member 211 and the trailing end bar-shaped member 218 can be formed from the same member.

第三基板検査用治具の大径接触子22は、先端棒状部材221、係止部223、コイルばね222、後端棒状部材228、後端係止部229、補助コイルばね224を有してなる。
先端棒状部材221は、検査点Bに接触するため、小径接触子21の先端棒状部材211の径よりも大きな径を有してなる。先端係止部223は、先端棒状部材221よりも大きい径を有している。先端棒状部材221の後端にはコイルばね222を接続するための接続部225が形成されている。この接続部225はコイルばね22の径よりも僅かに小さい径を有するように形成され、コイルばね222が嵌合するように形成される。
コイルばね222、後端棒状部材228や後端係止部229は、小径接触子21のコイルばね212、後端棒状部材218や後端係止部219と同様の部材である。
補助コイルばね224は、先端係止部223又は先端棒状部材221の後端面に当接され、コイルばね222と同心円(同軸)となるように配置される。この補助コイルばね224は、一端が先端棒状部材221に当接され、他端が後述する保持体3に当接することになる。
The large-diameter contact 22 of the third board inspection jig includes a front end bar-shaped member 221, a locking part 223, a coil spring 222, a rear end bar-shaped member 228, a rear end locking part 229, and an auxiliary coil spring 224. Become.
Since the distal end bar-shaped member 221 contacts the inspection point B, the distal end bar-shaped member 221 has a diameter larger than the diameter of the distal end bar-shaped member 211 of the small diameter contactor 21. The distal end locking portion 223 has a larger diameter than the distal end bar-shaped member 221. A connecting portion 225 for connecting the coil spring 222 is formed at the rear end of the distal end bar-shaped member 221. The connecting portion 225 is formed so as to have a diameter slightly smaller than the diameter of the coil spring 22, and is formed so that the coil spring 222 is fitted.
The coil spring 222, the rear end bar-shaped member 228, and the rear end locking part 229 are the same members as the coil spring 212, the rear end bar-shaped member 218, and the rear end locking part 219 of the small diameter contactor 21.
The auxiliary coil spring 224 is in contact with the rear end surface of the front end locking portion 223 or the front end bar-shaped member 221 and is arranged so as to be concentric (coaxial) with the coil spring 222. One end of the auxiliary coil spring 224 is in contact with the distal end bar-shaped member 221 and the other end is in contact with the holding body 3 described later.

保持体3は、3つの板状部材から形成され、第一板状部材31、第二板状部材32と第三板状部材33を有してなる。これらの板状部材は積層されて使用される。
第一板状部材31は、第一小孔部31aと第一大孔部31bを有してなる。第一小孔部31aは小径接触子21の棒状部材211を検査点Aに案内する。第一小孔部31aの径は、先端棒状部材211の径よりも僅かに大きく且つ先端係止部213の径よりも小さく形成される。
第一大孔部31bは、大径接触子22の棒状部材221を検査点Bに案内する。第一大孔部31bの径は、先端棒状部材221の径よりも僅かに大きく且つ先端係止部223の径よりも小さく形成される。
The holding body 3 is formed of three plate-like members, and includes a first plate-like member 31, a second plate-like member 32, and a third plate-like member 33. These plate members are used by being laminated.
The first plate member 31 includes a first small hole portion 31a and a first large hole portion 31b. The first small hole portion 31 a guides the rod-shaped member 211 of the small diameter contactor 21 to the inspection point A. The diameter of the first small hole portion 31 a is formed to be slightly larger than the diameter of the distal end bar-shaped member 211 and smaller than the diameter of the distal end locking portion 213.
The first large hole portion 31 b guides the rod-shaped member 221 of the large diameter contactor 22 to the inspection point B. The diameter of the first large hole portion 31 b is formed slightly larger than the diameter of the tip rod member 221 and smaller than the diameter of the tip locking portion 223.

第二板状部材32は、第二小孔部32aと第二大孔部32bを有してなる。
第二小孔部32aは、小径接触子21の最も径が大きい先端係止部213(後端係止部219)よりも大きい径を有する。
第二大孔部32bは、大径接触子22の最も径が大きい先端係止部223よりも大きい径を有するように形成される。
The 2nd plate-shaped member 32 has the 2nd small hole part 32a and the 2nd large hole part 32b.
The second small hole portion 32a has a larger diameter than the front end locking portion 213 (rear end locking portion 219) having the largest diameter of the small diameter contactor 21.
The second large hole portion 32b is formed to have a diameter larger than that of the tip locking portion 223 having the largest diameter of the large diameter contactor 22.

第三板状部材33は、第三小孔部33aと第三大孔部33bを有しているが、第三小孔部33aと第三大孔部33bは、形状及び大きさとも同じに形成される。
この第三小(大)孔部33a(33b)は、2つの径を有する大孔部と小孔部が連通連結されて形成される。この大孔部は後端係止部219の径よりも大きく形成され、小孔部は後端棒状部材218の径よりも大きく且つ後端係止部219の径よりも小さく形成される。このように形成されることにより、後端棒状部材219(229)が保持体3より抜け出ることを防止する。
The third plate-like member 33 has a third small hole portion 33a and a third large hole portion 33b, but the third small hole portion 33a and the third large hole portion 33b have the same shape and size. It is formed.
The third small (large) hole 33a (33b) is formed by connecting and connecting a large hole having two diameters and a small hole. The large hole portion is formed larger than the diameter of the rear end locking portion 219, and the small hole portion is formed larger than the diameter of the rear end rod-shaped member 218 and smaller than the diameter of the rear end locking portion 219. By forming in this way, the rear end bar-shaped member 219 (229) is prevented from coming out of the holding body 3.

図5の第三基板検査用治具では、保持体3と電極体4との間が僅かな隙間を有して配置されているが、特に限定されるものではなく、保持体3と電極体4を当接して配置することもできる。
電極部41の径は、後端棒状部材219の先端が円錐などの先細りであれば、後端棒状部材219の径より小さくても良い。
第三基板検査用治具では、小径接触子21と大径接触子22を第一板状部材31と第三板状部材33で挟持することにより、保持体3から抜け出ることを防止している。
In the third substrate inspection jig of FIG. 5, the holding body 3 and the electrode body 4 are arranged with a slight gap, but there is no particular limitation, and the holding body 3 and the electrode body are not limited. 4 can also be arranged in contact.
The diameter of the electrode part 41 may be smaller than the diameter of the rear end bar-shaped member 219 as long as the front end of the rear end bar-shaped member 219 is tapered such as a cone.
In the third substrate inspection jig, the small-diameter contact 21 and the large-diameter contact 22 are sandwiched between the first plate-like member 31 and the third plate-like member 33, thereby preventing the holder 3 from coming out. .

第一実施形態乃至第三実施形態にかかる基板検査用治具では、小径接触子と大径接触子の2種類の径の相違する接触子を用いた場合を説明したが、本願発明は接触子の径の大きさに応じて、補助コイルばね224を設けることにより、3種類以上の接触子にも対応することができる。
例えば、最も径の小さい接触子を荷重の基準となる接触子(基準接触子)として定義し、その基準接触子との径の大きさの比率に沿って、荷重もその比率に応じて変化させることもできる。
尚、接触子が棒状部材の径の大きさに応じて小径接触子と大径接触子の2種類の接触子を設定することができるので、平面ランドとスルーホールランドの2つの2種類の検査点に対応する接触子を用意することが可能となる。
大径接触子22は、補助コイルばね224に拠り検査点の表面処理に応じて接触荷重を適宜に調整することができる。
In the substrate inspection jig according to the first embodiment to the third embodiment, the case where two types of contacts having different diameters, ie, a small diameter contactor and a large diameter contactor, are used. By providing the auxiliary coil spring 224 according to the size of the diameter, it is possible to cope with three or more types of contacts.
For example, the contact with the smallest diameter is defined as a contact that serves as a reference for the load (reference contact), and the load is changed in accordance with the ratio of the size of the diameter with the reference contact. You can also.
In addition, since the contactor can set two types of contactors, a small-diameter contactor and a large-diameter contactor, according to the size of the diameter of the rod-shaped member, two types of inspections, a planar land and a through-hole land, are possible. It is possible to prepare contacts corresponding to the points.
The large-diameter contact 22 can appropriately adjust the contact load according to the surface treatment of the inspection point based on the auxiliary coil spring 224.

基板検査用治具の概略を示す側面図である。It is a side view which shows the outline of the jig | tool for board | substrate inspection. 検査対象となる基板の側断面図である。It is a sectional side view of the board | substrate used as a test object. 第一基板検査用治具の概略断面図である。It is a schematic sectional drawing of the jig | tool for a 1st board | substrate inspection. 第二基板検査用治具の概略断面図である。It is a schematic sectional drawing of the jig | tool for a 2nd board | substrate inspection. 第三基板検査用治具の概略断面図である。It is a schematic sectional drawing of the jig | tool for a 3rd board | substrate inspection.

符号の説明Explanation of symbols

1・・・・・基板検査用治具
2・・・・・接触子
21・・・・小径接触子
22・・・・大径接触子
3・・・・・保持体
4・・・・・電極体
41・・・・電極部
DESCRIPTION OF SYMBOLS 1 ... Board inspection jig 2 ... Contact 21 ... Small diameter contact 22 ... Large diameter contact 3 ... Holding body 4 ... Electrode body 41... Electrode part

Claims (6)

被検査基板の電気的特性を検査するために、基板検査用装置本体と該被検査基板の配線パターンに設けられている複数の検査点との間の電気的導通を得るための基板検査用治具であって、
両端に電気的導通を図る端部を有し、一方の端部が前記検査点に圧接される導電性を有する棒状の接触子を複数備える接触子群と、
前記接触子群を保持する保持体と、
前記接触子群の夫々の接触子の他方の端部と対向して配置されるとともに前記基板検査装置本体と電気的に接続される電極部を備えるとともに前記保持体を支持する電極体を有し、
前記接触子は、
一端側が前記検査点に導通接触する棒状部材と、
前記棒状部材の他端側から延設して導通接続されるとともに前記電極部に導通されるコイルばねを有してなり、
前記接触子群は、前記棒状部材の径の大きさが異なる接触子を複数備えてなり、
前記接触子は、前記棒状部材の径の大きさに応じて、前記棒状部材に延設されるとともに保持体内部に収容される補助コイルばねを具備していること特徴とする基板検査用治具。
In order to inspect the electrical characteristics of the substrate to be inspected, a substrate inspection treatment for obtaining electrical continuity between the substrate inspection apparatus main body and a plurality of inspection points provided in the wiring pattern of the substrate to be inspected. Tools,
A contact group having a plurality of rod-shaped contacts having conductivity, the ends having electrical continuity at both ends, and having one end pressed against the inspection point;
A holding body for holding the contact group;
The electrode assembly includes an electrode body that is disposed to face the other end of each contact of the contact group and that is electrically connected to the substrate inspection apparatus main body and supports the holding body. ,
The contact is
A rod-shaped member whose one end side is in conductive contact with the inspection point;
It has a coil spring that extends from the other end side of the rod-shaped member and is conductively connected to the electrode portion,
The contact group includes a plurality of contacts having different diameters of the rod-shaped member,
The contactor includes an auxiliary coil spring that is extended to the rod-shaped member and accommodated in the holding body in accordance with the diameter of the rod-shaped member. .
前記接触子群は、前記電極部と前記コイルばねの荷重で電気的に接続されることを特徴とする請求項1記載の基板検査用治具。   The substrate inspection jig according to claim 1, wherein the contact group is electrically connected to the electrode portion by a load of the coil spring. 前記補助コイルばねは、前記コイルばねの径よりも大きく且つ該コイルばねと同心円となうように配置されていることを特徴とする請求項1又は2に記載の基板検査用治具。   3. The substrate inspection jig according to claim 1, wherein the auxiliary coil spring is disposed so as to be larger than the diameter of the coil spring and to be concentric with the coil spring. 前記保持体は、複数の板状部材から形成され、
前記補助コイルばねは、該補助コイルばねの一端が前記棒状部材に当接され、他端が前記板状部材の表面に当接されていることを特徴とする請求項1乃至3いずれかに記載の基板検査用治具。
The holding body is formed from a plurality of plate-like members,
4. The auxiliary coil spring according to claim 1, wherein one end of the auxiliary coil spring is in contact with the rod-shaped member and the other end is in contact with the surface of the plate-shaped member. PCB inspection jig.
前記補助コイルばねは、該補助コイルばねの一端が前記棒状部材に当接され、他端が前記電極体の表面に当接されていることを特徴とする請求項1乃至3いずれかに記載の基板検査用治具。   4. The auxiliary coil spring according to claim 1, wherein one end of the auxiliary coil spring is in contact with the rod-shaped member and the other end is in contact with the surface of the electrode body. Board inspection jig. 被検査基板の電気的特性を検査するために、基板検査用装置本体と電気的に接続される電極部と該被検査基板の配線パターンに設けられている複数の検査点との間の電気的導通を得るための基板検査用治具の保持体に具備される接触子であって、
両端に電気的導通を図る端部を有し、一方の端部が前記検査点に圧接される導電性を有する棒状部材と、
前記棒状部材の他方端に延設して導通接続されるとともに前記電極部に導通されるコイルばねと、
前記棒状部材の他方端に延設して、前記コイルばねと同心状に配置され、前記検査点に圧接される場合に、前記検査点に荷重が生じる補助コイルばねを有することを特徴とする検査用接触子。
In order to inspect the electrical characteristics of the substrate to be inspected, an electrical connection between an electrode portion electrically connected to the substrate inspection apparatus main body and a plurality of inspection points provided in the wiring pattern of the substrate to be inspected A contact provided in a holding body of a substrate inspection jig for obtaining conduction,
A rod-shaped member having conductivity at one end and having an end for electrical conduction, and one end pressed against the inspection point;
A coil spring that extends to the other end of the rod-shaped member and is conductively connected to the electrode portion;
An inspection comprising: an auxiliary coil spring extending to the other end of the rod-like member, arranged concentrically with the coil spring, and generating a load at the inspection point when being pressed against the inspection point For contact.
JP2008102233A 2008-04-10 2008-04-10 Tool for substrate inspection and contact for inspection Pending JP2009250917A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016006401A (en) * 2014-06-20 2016-01-14 日本電子材料株式会社 Guide member holding probe
JP2016511513A (en) * 2013-06-28 2016-04-14 ハイコン カンパニー リミテッド Socket device for semiconductor device test

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JP2004140009A (en) * 2002-10-15 2004-05-13 Ibiden Engineering Kk Inspection tool for printed wiring board
JP2006098254A (en) * 2004-09-30 2006-04-13 Yokowo Co Ltd Probe
JP2006164623A (en) * 2004-12-03 2006-06-22 Yamaichi Electronics Co Ltd Socket for semiconductor device
JP2007309648A (en) * 2006-05-15 2007-11-29 Nidec-Read Corp Substrate inspection tool, and electrode structure of connection electrode part in tool

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Publication number Priority date Publication date Assignee Title
JP2004503783A (en) * 2000-06-16 2004-02-05 日本発条株式会社 Micro contactor probe and electrical probe unit
JP2004140009A (en) * 2002-10-15 2004-05-13 Ibiden Engineering Kk Inspection tool for printed wiring board
JP2006098254A (en) * 2004-09-30 2006-04-13 Yokowo Co Ltd Probe
JP2006164623A (en) * 2004-12-03 2006-06-22 Yamaichi Electronics Co Ltd Socket for semiconductor device
JP2007309648A (en) * 2006-05-15 2007-11-29 Nidec-Read Corp Substrate inspection tool, and electrode structure of connection electrode part in tool

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016511513A (en) * 2013-06-28 2016-04-14 ハイコン カンパニー リミテッド Socket device for semiconductor device test
US9494616B2 (en) 2013-06-28 2016-11-15 Hicon Co., Ltd. Socket device for testing semiconductor device
JP2016006401A (en) * 2014-06-20 2016-01-14 日本電子材料株式会社 Guide member holding probe

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