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:
Jul. 11, 2000
Filed:
Sep. 24, 1998
Applicant:
Inventor:
Pai-Chou Liu, Kaohsiung, TW;
Assignee:
Advanced Semiconductor Engineering, Inc., Kaohsiung, TW;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01B / ;
U.S. Cl.
CPC ...
356376 ; 356394 ; 3562371 ;
Abstract
A system for detecting deposited metals on soldering points of an integrated circuit board substrate, a light source, a charge coupled device camera, and a computer. The camera captures an image of the substrate of a ball grid array integrated circuit board and converts the image into a digital image signal. The dot matrix image is transmitted to the computer for analysis by software to examine a conformity index between the image on the substrate to be detected and the image of a reference substrate, thereby providing an automatic detecting function.