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:
Oct. 29, 2024

Filed:

Jan. 12, 2022
Applicant:

Changxin Memory Technologies, Inc., Anhui, CN;

Inventors:

Juanjuan Huang, Hefei, CN;

Jie Bai, Hefei, CN;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 21/8238 (2006.01); H01L 21/8234 (2006.01); H01L 27/092 (2006.01); H01L 29/786 (2006.01); H01L 29/808 (2006.01);
U.S. Cl.
CPC ...
H01L 21/823807 (2013.01); H01L 21/823412 (2013.01); H01L 27/0922 (2013.01); H01L 29/78687 (2013.01); H01L 29/78696 (2013.01); H01L 29/808 (2013.01);
Abstract

A semiconductor structure and a forming method thereof are provided. The forming method of the semiconductor structure comprises: providing a substrate comprising a first area for forming a P-channel Metal Oxide Semiconductor (PMOS) transistor and a second area for forming an N-channel Metal Oxide Semiconductor (NMOS) transistor; forming a channel layer on the surface of the first area of the substrate; adjusting the oxidation rate of the channel layer to reduce the difference between the oxidation rate of the channel layer and the oxidation rate of the substrate; and oxidizing the surfaces of the channel layer and the second area of the substrate to form a first transition oxide layer covering the surface of the channel layer and a second transition oxide layer covering the surface of the second area of the substrate.


Find Patent Forward Citations

Huang, Juanjuan. (2024). Semiconductor structure having pmos transistor with a channel layer and forming method thereof (U.S. Patent No. 12131953). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12131953

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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