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:
Dec. 22, 2009
Filed:
Dec. 23, 2004
Anton Mauder, Kolbermoor, DE;
Hans-joachim Schulze, Ottobrunn, DE;
Frank Pfirsch, München, DE;
Elmar Falck, Ottobrunn, DE;
Josef Lutz, Chemnitz, DE;
Anton Mauder, Kolbermoor, DE;
Hans-Joachim Schulze, Ottobrunn, DE;
Frank Pfirsch, München, DE;
Elmar Falck, Ottobrunn, DE;
Josef Lutz, Chemnitz, DE;
Infineon Technologies AG, Munich, DE;
Abstract
A semiconductor diode has an anode, a cathode and a semiconductor volume provided between anode and cathode. A plurality of semiconductor zones are formed in the semiconductor volume, which semiconductor zones are inversely doped with respect to their immediate surroundings, spaced apart from one another and provided in the vicinity of the cathode. The semiconductor zones are spaced apart from the cathode.