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.

Date of Patent:
May. 09, 2023

Filed:

Apr. 26, 2022
Applicants:

Amplexia, Llc, Durham, NC (US);

X-fab Global Services Gmbh, Erfurt, DE;

Inventors:

Brendan Toner, Sarawak, MY;

Zhengchao Liu, Kuching, MY;

Gary M Dolny, Mountain Top, PA (US);

William R Richards, Jr., Cary, NC (US);

Assignees:

Amplexia, LLC, Durham, NC (US);

X-FAB Global Services GmbH, Erfurt, DE;

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H01L 29/78 (2006.01); H01L 29/10 (2006.01); H01L 29/45 (2006.01); H01L 29/49 (2006.01); H01L 29/66 (2006.01); H01L 21/265 (2006.01); H01L 21/266 (2006.01); H01L 21/28 (2006.01); H01L 21/285 (2006.01); H01L 21/225 (2006.01);
U.S. Cl.
CPC ...
H01L 29/782 (2013.01); H01L 29/1095 (2013.01); H01L 29/45 (2013.01); H01L 29/4933 (2013.01); H01L 29/66643 (2013.01); H01L 29/66681 (2013.01); H01L 29/66689 (2013.01); H01L 29/7839 (2013.01); H01L 21/2253 (2013.01); H01L 21/266 (2013.01); H01L 21/26513 (2013.01); H01L 21/28052 (2013.01); H01L 21/28518 (2013.01);
Abstract

A lateral DMOS transistor structure includes a substrate of a first dopant polarity, a body region of the first dopant polarity, a source region, a drift region of a second dopant polarity, a drain region, a channel region, a gate structure over the channel region, a hybrid contact implant, of the second dopant polarity, in the source region, and a respective metal contact on or within each of the source region, gate structure, and drain region. The hybrid contact implant and the metal contact together form a hybrid contact defining first, second, and third electrical junctions. The first junction is a Schottky junction formed vertically between the source metal contact and the body. The second junction is an ohmic junction formed laterally between the source metal contact and the hybrid contact implant. The third junction is a rectifying PN junction between the hybrid contact implant and the channel region.


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