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:
Oct. 14, 1987
Applicant:
Inventors:
Gary F St Onge, Amsterdam, NY (US);
Robert D McRay, Scotia, NY (US);
Assignee:
Everett/Charles Contact Products, Inc., Pomona, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01R / ; H05K / ;
U.S. Cl.
CPC ...
3241 / ; 324 / ; 361212 ;
Abstract
A test fixture for use in computerized automatic test equipment for checking printed circuit boards. Substances are used to constitute some of the test fixture parts and to coat others which are effective in preventing damage from electrostatic charges. The substance must be permanent, substantially independent of humidity for its antistatic characteristics, and have a resistivity in the range of 10.sup.5 -10.sup.10 ohms/sq.