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:
Aug. 27, 2019
Filed:
May. 03, 2017
Applicant:
Semiconductor Components Industries, Llc, Phoenix, AZ (US);
Inventors:
Yi Su, Cupertino, CA (US);
Ashok Challa, Milpitas, CA (US);
Tirthajyoti Sarkar, Sunnyvale, CA (US);
Min Kyung Ko, Bucheon, KR;
Assignee:
Semiconductor Components Industries, LLC, Phoenix, AZ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 29/47 (2006.01); H01L 29/78 (2006.01); H01L 29/872 (2006.01); H01L 29/06 (2006.01); H01L 29/40 (2006.01);
U.S. Cl.
CPC ...
H01L 29/872 (2013.01); H01L 29/0623 (2013.01); H01L 29/7839 (2013.01); H01L 29/8725 (2013.01); H01L 29/407 (2013.01);
Abstract
In one general aspect, a device can include a first trench disposed in a semiconductor region, a second trench disposed in the semiconductor region, and a recess disposed in the semiconductor region between the first trench and the second trench. The recess has a sidewall and a bottom surface. The device also includes a Schottky interface along a sidewall of the recess and the bottom surface of the recess excludes a Schottky interface.