JPH0340501U

JPH0340501U -

Info

Publication number: JPH0340501U
Application number: JP10220989U
Authority: JP
Priority date: 1989-08-31
Filing date: 1989-08-31
Publication date: 1991-04-18

Description

[Brief explanation of drawings]

第１図はこの考案による寸法検査装置の一実施
例の全体構成図、第２図はその寸法検査品取付け
部の上面図は、第３図はその寸法検査装置の被検
査装置のメモリに記憶されている寸法検査プラグ
ラムのフローチヤート、第４図ａ及びｂはその寸
法検査装置の被検査品となる高精度パターン相対
型両面ＰＷＢの配線パターンの一例を示す表裏両
面の図である。図において、１は被検査品の高精度パターン相
対型両面ＰＷＢ、２はガラス板製のステージ、３
はフイクスチヤ、４及び５はＣＣＤカメラ、６及
び７は自動焦点調節回路、８はＸＹＺポジシヨナ
、９はＸＹＺポジシヨナ制御回路、１０はマイク
ロコンピユータ、１１はＣＰＵ、１２はメモリ、
１３は入力回路、１４は出力回路、１５はキーボ
ード、１６はＣＲＴ、１７はプリンタ、１８はフ
イクスチヤのＬ字、１９ａ及び１９ｄはフイクス
チヤのスライダ、２０ａ及び２０ｂは高精度パタ
ーン相対型両面ＰＷＢの基板、２１ａ及び２１ｂ
は高精度パターン相対型両面ＰＷＢの配線パター
ンである。なお、図中、同一符号は同一、又は相
当部分を示す。 Fig. 1 is an overall configuration diagram of an embodiment of the dimension inspection device according to this invention, Fig. 2 is a top view of the dimensional inspection item attachment part, and Fig. 3 is stored in the memory of the device to be inspected of the dimension inspection device. FIGS. 4a and 4b of the flowchart of the dimension inspection program shown in FIG. 4 are front and back views showing an example of the wiring pattern of a high-precision pattern-relative type double-sided PWB that is an item to be inspected by the dimension inspection apparatus. In the figure, 1 is a high-precision pattern-relative type double-sided PWB for the product to be inspected, 2 is a stage made of a glass plate, and 3
is a fixture, 4 and 5 are CCD cameras, 6 and 7 are automatic focus adjustment circuits, 8 is an XYZ positioner, 9 is an XYZ positioner control circuit, 10 is a microcomputer, 11 is a CPU, 12 is a memory,
13 is an input circuit, 14 is an output circuit, 15 is a keyboard, 16 is a CRT, 17 is a printer, 18 is a fixture L-shape, 19a and 19d are fixture sliders, 20a and 20b are high-precision pattern relative type double-sided PWB boards , 21a and 21b
is a wiring pattern of a high-precision pattern-relative type double-sided PWB. In addition, in the figures, the same reference numerals indicate the same or equivalent parts.

Claims

[Scope of utility model registration request]

In an apparatus for dimensional inspection of wiring patterns on both the front and back sides of a printed wiring board, a double-sided imaging means for simultaneously capturing images of both the front and back sides of the printed wiring board by holding a CCD camera at a plane-symmetrical position with respect to the printed wiring board; Image pattern matching means for pattern matching the images of the CCD camera of the stand pixel by pixel and evaluating the pattern matching status, and wiring pattern storage means for storing design data of dimensions regarding the position and shape of the wiring pattern of the printed wiring board. and the double-sided imaging means and the image pattern matching means are sequentially and automatically applied to the wiring pattern of the printed wiring board and the area in the vicinity thereof based on the data stored by the wiring pattern storage means, and the printed wiring board is A dimension inspection device equipped with means for inspecting the matching status of wiring patterns on both the front and back sides of the whole.