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:
Aug. 09, 2011
Filed:
Jul. 14, 2004
Applicants:
Kevin Q. Yin, Irvine, CA (US);
Amol Kalburge, Irvine, CA (US);
Kenneth M. Ring, Tustin, CA (US);
Inventors:
Assignee:
Newport Fab, LLC, Newport Beach, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 29/73 (2006.01);
U.S. Cl.
CPC ...
Abstract
According to one exemplary embodiment, a bipolar transistor includes a base having a top surface. The bipolar transistor further includes a base oxide layer situated on the top surface of the base. The bipolar transistor further includes an antireflective coating layer situated on the base oxide layer. The bipolar transistor further includes an emitter situated over the top surface of the base and the antireflective coating layer, where a layer of polysilicon is not situated between the base oxide layer and the emitter.