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:
Oct. 20, 1992
Filed:
Feb. 15, 1991
Applicant:
Inventors:
Mark D Brown, Carrollton, TX (US);
Stephen B Kaiser, Flower Mound, TX (US);
Lavaughn J Dawson, Allen, TX (US);
Assignee:
Texas Instruments Incorporated, Dallas, TX (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01B / ; H04N / ;
U.S. Cl.
CPC ...
356394 ; 356237 ; 358106 ;
Abstract
A method for detecting defects in solder coatings on leads for electronic components maps the surface of the lead, detects light from the coated lead, and distinguishes defects in the coating based on the amount of reflected light.