Title:
METHOD AND APPARATUS FOR INSPECTING PRINTED BOARD
Document Type and Number:
Japanese Patent JPS6261390
Kind Code:
A
Abstract:
Method and apparatus for inspecting a printed circuit board wherein scanned image data are digitized and analyzed according to a feature extraction method and a mutual comparison method. The result of both of the analysis methods is combined with predetermined conditions to control output devices including a CRT display or a marking device. The two complementary methods compensate each others drawbacks so that the reliability of inspection can be improved.
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Inventors:
KOBAYASHI KOJI
Application Number:
JP19958885A
Publication Date:
March 18, 1987
Filing Date:
September 11, 1985
Export Citation:
Assignee:
KOWA CO
International Classes:
H05K3/00; G01N21/956; G01R31/28; G01R31/309; G06T1/00; (IPC1-7): H05K3/00
Domestic Patent References:
| JPS60501429A | 1985-08-29 | |||
| JP56199588A | ||||
| JPS49131543A | 1974-12-17 | |||
| JPS5748163A | 1982-03-19 |
Attorney, Agent or Firm:
Taku Kato
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