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:
Nov. 10, 1992
Filed:
Oct. 15, 1991
Applicant:
Inventors:
Farid Matta, Mountain View, CA (US);
Kevin Douglas, San Mateo, CA (US);
Rajendra D Pendse, Fremont, CA (US);
Brahram Afshari, Los Altos, CA (US);
Kenneth D Scholz, Palo Alto, CA (US);
Assignee:
Hewlett-Packard Company, Palo Alto, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05K / ;
U.S. Cl.
CPC ...
361386 ; 357 79 ; 357 81 ; 361398 ; 439 73 ;
Abstract
The invention is embodied in a demountable TAB assembly. By using two springs in series, the present invention is able to maintain reliable contact between the TAB frame and the printed circuit board even if the elastomeric spring relaxes. The present invention also incorporates a novel TAB frame using contacts formed into an area-array. This area-array concept eliminated the need for fine line printed circuit board technology to support the TAB assembly.