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. 11, 1980
Filed:
Feb. 27, 1979
Applicant:
Inventor:
John J Bastek, Reading, PA (US);
Assignee:
Bell Telephone Laboratories, Incorporated, Murray Hill, NJ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01J / ;
U.S. Cl.
CPC ...
29590 ; 2956 / ; 29591 ;
Abstract
A contact structure to the light emitting surface 19 of a light emitting device 10 having an array of small distributed contacts 14 is made by selectively depositing a larger area bonding pad 15 over a portion of the distributed contacts. The small contacts not covered by the bonding pad then are removed by sputter etching and contact to the device is made by wire bonding a lead 17 to the bonding pad.
Quick Actions:
Bastek, John. (1980). Contact structure for light emitting device (U.S. Patent No. 4232440). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4232440
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile