The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 28, 2003
Filed:
Oct. 26, 2000
Applicant:
Inventors:
Satoshi Yamauchi, Yamanashi, JP;
Toshihiko Tsujikawa, Kofu, JP;
Masayuki Kajiyama, Toyonaka, JP;
Suehiro Tanaka, Kofu, JP;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01R 1/512 ;
U.S. Cl.
CPC ...
G01R 1/512 ;
Abstract
A high-precision inspection apparatus and method for inspecting a large board with a line sensor camera, the coordinate positions of correction marks on a pair of holding members are read by the camera and compared with predetermined coordinates, and an amount of positional discrepancy of the board is computed. The board is adjusted according to the positional discrepancy, if necessary, and then scanned.