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. 20, 2007
Filed:
Jul. 12, 2005
Junichiro Kobayashi, Kanagawa, JP;
Junichiro Kobayashi, Kanagawa, JP;
Sony Corporation, Tokyo, JP;
Abstract
A bipolar transistor having a base electrode of an air bridge structure is simplified in structure and enhanced in the degree of freedom of a contact position of a base wiring line with the base electrode. The bipolar transistor has a semiconductor mesa portion having a base layer formed on an upper face thereof, and a base electrode contacts with the base layer and has a floating extension which extends from the semiconductor mesa portion to a space on the outer side with respect to the semiconductor mesa portion. The floating extension is used as a contact portion for a base wiring line to the base electrode.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile