JPH044774U

JPH044774U -

Info

Publication number: JPH044774U
Application number: JP4431990U
Authority: JP
Priority date: 1990-04-25
Filing date: 1990-04-25
Publication date: 1992-01-16

Description

[Brief explanation of the drawing]

第１図はこの考案の印刷配線板を示す図、第２
図は導通チエツク用パターンの一例を示す図、第
３図は第２図の−線による断面図、第４図は
第３図に溝が形成された状態を示す図、第５図は
第２の実施例を示す図、第６図は第５図の−
線による部分的断面図、第７図は第３の実施例を
示す図、第８図は第４の実施例を示す図である。図中、１……基板、２……分割線、３……導通
チエツク用パターン、４……分割線を跨ぐように
配置されパターン線（直線状のパターン線）、４
ａ，４ｂ……ランド、５……分割線を跨がないよ
うに配置されたパターン線（分岐パターン線）、
５ａ，５ｂ……ランド、６……溝、７……孔、１
０……導通チエツク用パターン、１１ａ，１１ｂ
，１１ｃ……ランド、１２……分割線を跨ぐよう
に配置されパターン線（横向きのＵ字形状のパタ
ーン線）、１３……分割線を跨がないように配置
されたパターン線（Ｌ字形のパターン線）。 Figure 1 shows the printed wiring board of this invention, Figure 2
The figure shows an example of the continuity check pattern, FIG. 3 is a sectional view taken along the - line in FIG. Fig. 6 is a diagram showing an example of - of Fig. 5.
FIG. 7 is a diagram showing the third embodiment, and FIG. 8 is a diagram showing the fourth embodiment. In the figure, 1...board, 2...dividing line, 3...continuity check pattern, 4...pattern line (straight pattern line) arranged to straddle the dividing line, 4...
a, 4b... land, 5... pattern line arranged so as not to straddle the dividing line (branch pattern line),
5a, 5b...land, 6...groove, 7...hole, 1
0...Continuity check pattern, 11a, 11b
, 11c... Land, 12... Pattern line arranged so as to straddle the dividing line (horizontal U-shaped pattern line), 13... Pattern line arranged so as not to straddle the dividing line (L-shaped pattern line) pattern line).

Claims

[Claims for Utility Model Registration] (1) In a printed wiring board that can be divided into a plurality of printed wiring boards by forming grooves on the dividing line and cutting the groove portions, A continuity check pattern having a plurality of lands connected to each other by a pattern line arranged so as to straddle the parting line and a pattern line arranged not to straddle the parting line is provided near the parting line. A printed wiring board featuring: (2) The continuity check pattern has two lands arranged along the dividing line on both sides of the dividing line, and the first lands are connected by a straight pattern line that straddles the dividing line. 2. The printed wiring board according to claim 1, wherein pattern lines from rear lands are connected to the linear pattern line before the dividing line, so that the entire pattern line has a π-shape. (3) The continuity check pattern has three lands arranged along the parting line on one side of the parting line, and the middle land and one land are arranged so as to straddle the parting line. The printing according to claim 1, wherein the printing is connected by a pattern line in the shape of a letter, and a pattern line from the other land is connected to the horizontal U-shaped pattern line in front of the dividing line, so that the whole is shaped like a step. wiring board.