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:
Jun. 07, 2005
Filed:
Sep. 29, 2003
Applicants:
Ralf Henninger, München, DE;
Franz Hirler, Isen, DE;
Inventors:
Ralf Henninger, München, DE;
Franz Hirler, Isen, DE;
Assignee:
Infineon Technologies AG, Munich, DE;
Primary Examiner:
Int. Cl.
CPC ...
H01L027/108 ; H01L029/76 ; H01L029/94 ; H01L031/113 ; H01L031/119 ;
U.S. Cl.
CPC ...
Abstract
A trench transistor has a source zone introduced from a doped spacer into a body region and a channel running vertically along the insulation layer of the trench. A method is taught for fabricating the trench transistor of this type.