JPS6338400U

JPS6338400U -

Info

Publication number: JPS6338400U
Application number: JP13223286U
Authority: JP
Priority date: 1986-08-28
Filing date: 1986-08-28
Publication date: 1988-03-11

Description

[Brief explanation of the drawing]

第１図および第２図は夫々本考案に係るプリン
ト回路基板の取付構造の一実施例の平面図および
分解斜視図、第３図ａおよびｂは夫々プリント回
路基板へのチツプの取付状態を示す要部平面図お
よび要部断面図、第４図はプリント回路基板のシ
ールドケース内での仮固定状態を示す部分断面図
、第５図は第１図のＡ―Ａ線に沿う部分断面図、
第６図はシールドケースにプリント回路基板の位
置決め用の凹部を設けた実施例の部分断面図、第
７図および第８図は夫々チツプ側およびシールド
ケース側に夫々プリント回路基板の位置決め用の
嵌合穴および位置決め突起を設けた実施例のプリ
ント回路基板の要部平面図およびシールドケース
の要部断面図、第９図および第１０図は夫々第１
図および第２図の実施例の変形例のプリント回路
基板の要部平面図およびシールドケースの要部断
面図、第１１図はチツプの弾性を調整するための
ノツチを形成したチツプを接着したプリント回路
基板の要部平面図、第１２図は従来のプリント回
路基板の固定構造の縦断面図である。１１……プリント回路基板、１２……切欠き、
１３……アースパターン、１４……チツプ、１４
ａ……先端部、１６……シールドケース、２０…
…半田。 1 and 2 are a plan view and an exploded perspective view, respectively, of an embodiment of the mounting structure for a printed circuit board according to the present invention, and FIGS. 3a and 3b show a state in which a chip is mounted on a printed circuit board, respectively. 4 is a partial sectional view showing the printed circuit board temporarily fixed in the shield case; FIG. 5 is a partial sectional view taken along line A-A in FIG. 1;
Fig. 6 is a partial cross-sectional view of an embodiment in which a recess for positioning the printed circuit board is provided in the shield case, and Figs. 7 and 8 show recesses for positioning the printed circuit board on the chip side and the shield case side, respectively. The main part plan view of the printed circuit board and the main part sectional view of the shield case in the example in which the matching holes and positioning protrusions are provided, FIGS. 9 and 10 are respectively shown in FIG.
A plan view of the main part of the printed circuit board and a cross-sectional view of the main part of the shield case of a modified example of the embodiment shown in FIG. FIG. 12 is a plan view of the main parts of the circuit board, and a vertical cross-sectional view of a conventional printed circuit board fixing structure. 11...Printed circuit board, 12...Notch,
13...Earth pattern, 14...Chip, 14
a... Tip part, 16... Shield case, 20...
…solder.

Claims

[Claims for Utility Model Registration] A printed circuit board that is fitted into a box-shaped metal frame substantially parallel to its opening surface is brought into contact with the inner wall surface of the frame, and the pattern of the printed circuit board is A mounting structure for a printed circuit board in which a ground pattern formed on the periphery of the surface is soldered to the frame, a notch cut inward from the periphery of the printed circuit board, and a ground pattern on the printed circuit board. a chip having easy solderability and elasticity, which is adhered to the pattern and protrudes from the notch toward the inner wall of the frame, and whose tip part presses against a part of the inner wall in an elastically deformed state; A mounting structure for a printed circuit board, characterized in that it is soldered to a pattern and an inner wall of a frame.