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. 23, 2015
Filed:
May. 21, 2013
Infineon Technologies Austria Ag, Villach, AT;
Roman Baburske, Chemnitz, DE;
Josef Lutz, Chemnitz, DE;
Ralf Siemieniec, Villach, AT;
Hans-Joachim Schulze, Taufkirchen, DE;
Infineon Technologies Austria AG, Villach, AT;
Abstract
A bipolar semiconductor component includes a semiconductor body having first and second substantially parallel main surfaces and at least one load pn junction, a first metallization on the first surface, a second metallization on the second surface, and a current path running in the semiconductor body from the first metallization to the second metallization only through n-doped zones, including between first and second p-doped zones which are in contact with the first metallization and spaced apart from one another by an n-doped channel zone through which the current path runs. A space charge region forms in the semiconductor body between the first and second p-doped zones to fully deplete the n-doped channel zone between the first and second p-doped zones and therefore prevent current flow between the first and second metallizations along the current path when a positive voltage is applied between the second metallization and the first metallization.