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. 24, 2014
Filed:
Nov. 26, 2012
Syotaro Ono, Hyogo, JP;
Masaru Izumisawa, Hyogo, JP;
Hiroshi Ohta, Hyogo, JP;
Hiroaki Yamashita, Hyogo, JP;
Syotaro Ono, Hyogo, JP;
Masaru Izumisawa, Hyogo, JP;
Hiroshi Ohta, Hyogo, JP;
Hiroaki Yamashita, Hyogo, JP;
Kabushiki Kaisha Toshiba, Tokyo, JP;
Abstract
A semiconductor device includes a superjunction structure. The influence of external charge on device performance is suppressed using a shield electrode, field plate electrodes, and cover electrodes in various configurations. Optional embodiments include placing an interconnection film between certain electrodes and the upper surface of the superjunction structure. Cover electrodes may also be connected to various potentials to limit the effects of external charge on device performance.