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:
Jan. 18, 2022

Filed:

Mar. 20, 2020
Applicant:

Semiconductor Components Industries, Llc, Phoenix, AZ (US);

Inventors:

Prasad Venkatraman, Gilbert, AZ (US);

Dean E. Probst, West Jordan, UT (US);

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 29/78 (2006.01); H01L 29/66 (2006.01); H01L 29/417 (2006.01);
U.S. Cl.
CPC ...
H01L 29/7813 (2013.01); H01L 29/41766 (2013.01); H01L 29/66734 (2013.01);
Abstract

A device has an active area made of an array of first type of device cells and a gate or shield contact area made of an array of a second type of device cells that are laid out at a wider pitch than the array of first type of device cells. Each first type of device cell in the active area includes a trench that contains a gate electrode and an adjoining mesa that contains the drain, source, body, and channel regions of the device. Each second type of device cell in the gate or shield contact area includes a trench that is wider and deeper than the trench in the first type device cell.


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