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:
Oct. 14, 2014
Filed:
Sep. 22, 2008
Applicants:
James Chingwei LI, Simi Valley, CA (US);
Donald A. Hitko, Grover Beach, CA (US);
Yakov Royter, Santa Monica, CA (US);
Pamela R. Patterson, Los Angeles, CA (US);
Inventors:
James Chingwei Li, Simi Valley, CA (US);
Donald A. Hitko, Grover Beach, CA (US);
Yakov Royter, Santa Monica, CA (US);
Pamela R. Patterson, Los Angeles, CA (US);
Assignee:
HRL Laboratories, LLC, Malibu, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 31/0328 (2006.01); H01L 31/0336 (2006.01); H01L 27/082 (2006.01); H01L 29/66 (2006.01); H01L 29/737 (2006.01);
U.S. Cl.
CPC ...
H01L 29/66242 (2013.01); H01L 29/7371 (2013.01);
Abstract
A heterojunction bipolar transistor having an emitter, a base, and a collector, the heterojunction bipolar transistor including a metallic sub-collector electrically and thermally coupled to the collector wherein the metallic sub-collector comprises a metallic thin film, and a collector contact electrically connected to the metallic sub-collector.