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:
Sep. 24, 1996
Filed:
Mar. 07, 1995
Applicant:
Inventors:
James R Cricchi, Cantonsville, MD (US);
Paul A Potyraj, Dundalk, MD (US);
Mike L Salib, Millersville, MD (US);
Assignee:
Northrop Grumman Corporation, Los Angeles, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L / ;
U.S. Cl.
CPC ...
257273 ; 257275 ; 257277 ; 257539 ;
Abstract
A silicon microwave monolothic integrated circuit device and method of fabricating having a high resistivity silicon substrate with a masking layer of low temperature silicon oxide, silicon nitride and polysilicon sublayers on a first area, and an epitaxial layer over the surface of the silicon substrate in a second area. The active devices are formed over the second area and the passive devices are formed over the first area.
Cricchi, James. (1996). Silicon integrated circuit with passive devices over high resistivity (U.S. Patent No. 5559349). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5559349
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile