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. 18, 2014
Filed:
Apr. 27, 2011
Joseph A. Yedinak, Mountain Top, PA (US);
Mark L. Rinehimer, Mountain Top, PA (US);
Praveen Muraleedharan Shenoy, Kochi, IN;
Joseph A. Yedinak, Mountain Top, PA (US);
Mark L. Rinehimer, Mountain Top, PA (US);
Praveen Muraleedharan Shenoy, Kochi, IN;
Fairchild Semiconductor Corporation, San Jose, CA (US);
Abstract
A power device includes a semiconductor region which in turn includes a plurality of alternately arranged pillars of first and second conductivity type. Each of the plurality of pillars of second conductivity type further includes a plurality of implant regions of the second conductivity type arranged on top of one another along the depth of pillars of second conductivity type, and a trench portion filled with semiconductor material of the second conductivity type directly above the plurality of implant regions of second conductivity type.