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. 01, 2009
Filed:
Apr. 06, 2005
Peter J. Geiss, Underhill, VT (US);
Alvin J. Joseph, Williston, VT (US);
Qizhi Liu, Essex Junction, VT (US);
Bradley A. Orner, Colchester, VT (US);
Peter J. Geiss, Underhill, VT (US);
Alvin J. Joseph, Williston, VT (US);
Qizhi Liu, Essex Junction, VT (US);
Bradley A. Orner, Colchester, VT (US);
International Business Machines Corporation, Armonk, NY (US);
Abstract
Disclosed is a bipolar complementary metal oxide semiconductor (BiCMOS) or NPN/PNP device that has a collector, an intrinsic base above the collector, shallow trench isolation regions adjacent the collector, a raised extrinsic base above the intrinsic base, a T-shaped emitter above the extrinsic base, spacers adjacent the emitter, and a silicide layer that is separated from the emitter by the spacers.