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:
Nov. 09, 2004
Filed:
Feb. 28, 2003
Gregory G. Romas, McKinney, TX (US);
Darrel C. Oglesby, Jr., Sherman, TX (US);
Scott F. Jasper, Sherman, TX (US);
Philip Najfus, Sherman, TX (US);
Venkatesh Govindaraju, McKinney, TX (US);
ChunLiang Yeh, Allen, TX (US);
James Lisenby, Sherman, TX (US);
Texas Instrument Incorporated, Dallas, TX (US);
Abstract
The present invention provides a vertical bipolar transistor , a method of manufacture therefor, and an integrated circuit including the same. The vertical bipolar transistor may include, in one embodiment, a second epitaxial layer located over a first epitaxial layer , wherein the second epitaxial layer includes at least two dopant profiles . The vertical bipolar transistor may further include a collector , a base and an emitter located over or within the second epitaxial layer
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile