JPS60100670U

JPS60100670U - Inspection device for inner layer shield board of multilayer printed circuit board

Info

Publication number: JPS60100670U
Application number: JP19230183U
Authority: JP
Inventors: 鴻上　修; 耕治和田
Original assignee: 松下電工株式会社
Priority date: 1983-12-14
Filing date: 1983-12-14
Publication date: 1985-07-09

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１図は多層プリント基板内層シールド板の正面図、第
２図ａ、　ｂ、　ｃは同上の不良発生説明図、第３図は
本考案の一実施例の回路構成図、第４図は同上のスイッ
チ部の切替スイッチの電気回路図、第５図は同上の使用
状態説明図、第６図ａ、　ｂは同上の不良検出の説明図
、第７図、第８図は同上の検査ピンの先部拡大図であり
、１はクリアランスホール、１ａは孔、２はランド、９
は報知用ブザー、１ｌａｙｌｌｂは外部接続端子、１２
はスイッチ部、１４は検査治具、１５は検査ピン、１５
　ａ、　　１５ａ’は凹所、ＳＷは切替スイッチ、ＬＥ
Ｄは発光ダイオードである。第６図１１６　　’Ｉ　　　　　　　ｌ。／ −第７図 −５゜・　　−、−Figure 1 is a front view of the inner layer shield plate of a multilayer printed circuit board, Figures 2 a, b, and c are diagrams explaining the occurrence of defects in the same as above, Figure 3 is a circuit configuration diagram of an embodiment of the present invention, and Figure 4 is in the same as above. Fig. 5 is an illustration of the state of use of the same as above, Fig. 6 a and b are illustrations of defect detection of the same as above, Fig. 7 and Fig. 8 are diagrams of the inspection pin of the same as above. This is an enlarged view of the tip, where 1 is a clearance hole, 1a is a hole, 2 is a land, and 9
is a notification buzzer, 1layllb is an external connection terminal, 12
14 is a switch part, 14 is an inspection jig, 15 is an inspection pin, 15
a, 15a' is the recess, SW is the changeover switch, LE
D is a light emitting diode. Figure 6 1 16 'I l. / -Figure 7-5゜・-,-

Claims

[Scope of utility model registration request]

An inspection jig that abuts a plurality of inspection pins provided corresponding to the above-mentioned intervals on the inner layer shield plate of a multilayer printed circuit board in which clearance holes and land portions are formed at predetermined intervals; A switch unit is provided with a switching switch t, and a pair of external connection terminals for power output are connected to the test pin, so that when the external connection terminals are short-circuited, the power supply and the A short-circuit detection means that displays an indication by a display means such as a buzzer or a light-emitting element inserted into the hole is connected to the test pin that contacts the opening of the hole in the clearance hole and the test pin that contacts the land portion using the apertured changeover switch. An inspection device for a multilayer printed circuit board inner layer shield board characterized by freely selecting and setting the polarity of a connected power source, the multilayer printed circuit board inner layer shield board having a recess formed on the lower surface of the tip of the test pin. inspection equipment.