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:
Mar. 02, 2004
Filed:
Nov. 26, 2002
Applicant:
Inventor:
Eddie Huang, Stockport, GB;
Assignee:
Koninklijke Philips Electronics N.V., Eindhoven, NL;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 3/1075 ;
U.S. Cl.
CPC ...
H01L 3/1075 ;
Abstract
A semiconductor diode has a low bandgap layer ( ) and an intermediate region ( ) with a plurality of field relief regions ( ) extending between the low bandgap layer ( ) and a first region ( ) of opposite conductivity type. The field relief regions deplete the intermediate region in the off state of the diode.