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:
Mar. 21, 1989
Filed:
Sep. 25, 1987
Applicant:
Inventors:
Nilendu Srivastava, Chelmsford, MA (US);
Fei-Jain Wu, Chelmsford, MA (US);
Assignee:
Technical Manufacturing Corporation, Peabody, MA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B23K / ; G02B / ;
U.S. Cl.
CPC ...
228103 ; 228105 ; 228179 ; 228-62 ; 228 447 ; 228119 ; 350523 ; 29833 ;
Abstract
An optical video system for the inspection and repair of TAB lifted leads. Three distinct light sources are aligned at different angles to illuminate the side of a lead-solder-pad joint. Each of the surfaces of the joint are readily distinguished.