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:
Dec. 20, 1994
Filed:
May. 20, 1993
Applicant:
Inventor:
Eric N Cartagena, Chula Vista, CA (US);
Assignee:
The United States of America as represented by the Secretary of the Navy, Washington, DC (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L / ;
U.S. Cl.
CPC ...
437 31 ; 437 21 ; 437 84 ; 437247 ; 148D / ; 148D / ;
Abstract
A method for fabricating low leakage current bipolar junction transistors of silicon-on-sapphire for efficient use in operational amplifiers utilizes all implant technology, improved silicon conditioning processing, and low temperature annealing.