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:
Sep. 18, 2001
Filed:
Aug. 20, 1999
Applicant:
Inventors:
Andrej Litwin, Danderyd, SE;
Hans Norstrom, Solna, SE;
Assignee:
Telefonaktiebolaget LM Ericsson, Stockholm, SE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 2/976 ; H01L 2/701 ; H01L 2/18238 ; H01L 2/1336 ;
U.S. Cl.
CPC ...
H01L 2/976 ; H01L 2/701 ; H01L 2/18238 ; H01L 2/1336 ;
Abstract
A semiconductor integrated circuit comprises a substrate (,) of a first conduction type semiconductor material, an epitaxial layer (,) which is carried by the substrate (,) and which is of a second conduction type semiconductor material different to the first conduction type material, a well (,) of semiconductor material in the epitaxial layer and a semiconductor material, the epitaxial layer (,) being substantially depleted of charges is a region substantially beneath the well (,).