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. 30, 2004
Filed:
Jul. 03, 2001
Fumito Suzuki, Kawasaki, JP;
Kabushiki Kaisha Toshiba, Kawasaki, JP;
Abstract
A semiconductor device including a semiconductor base, a first semiconductor region formed in the semiconductor base, a second semiconductor region formed in the semiconductor base, a third semiconductor region formed in the first semiconductor region, a first main electrode which is formed on the first and third semiconductor regions, a second main electrode which is formed on the second semiconductor region, an insulating film formed on the semiconductor base and first semiconductor region, and a gate electrode formed on the insulating film. The fourth semiconductor region is formed in the semiconductor base between the first and second semiconductor regions below an end region of the gate electrode.