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. 11, 2008
Filed:
Sep. 08, 2004
Applicants:
John Stephen Massa, Ipswich, GB;
Simon Andrew Wood, Burwell, GB;
Inventors:
John Stephen Massa, Ipswich, GB;
Simon Andrew Wood, Burwell, GB;
Assignee:
Avago Technologies Fiber IP (Singapore) Pte. Ltd., Singapore, SG;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 33/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A semiconductor device is disclosed in which a barrier layer is deposited on the sides of the mesa. The barrier layer may comprise a semiconductor material. The barrier layer reduces diffusion of dopants into the active region of the device.