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. 02, 2018

Filed:

Aug. 17, 2016
Applicant:

Samsung Electronics Co., Ltd., Suwon-si, Gyeonggi-do, KR;

Inventors:

Kyunglyong Kang, Hwaseong-si, KR;

Youngmok Kim, Suwon-si, KR;

Hodae Oh, Hwaseong-si, KR;

Kyoung-Eun Uhm, Hwaseong-si, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 21/311 (2006.01); H01L 21/768 (2006.01); H01L 21/28 (2006.01); H01L 29/423 (2006.01); H01L 21/8234 (2006.01); H01L 29/49 (2006.01); H01L 29/51 (2006.01); H01L 29/78 (2006.01);
U.S. Cl.
CPC ...
H01L 21/76877 (2013.01); H01L 21/28123 (2013.01); H01L 21/31111 (2013.01); H01L 21/31144 (2013.01); H01L 21/823462 (2013.01); H01L 29/42368 (2013.01); H01L 21/823481 (2013.01); H01L 29/4933 (2013.01); H01L 29/513 (2013.01); H01L 29/517 (2013.01); H01L 29/7833 (2013.01);
Abstract

A method for manufacturing a semiconductor device includes forming a device isolation layer in a substrate to define an active region, forming a gate insulating layer covering at least a portion of the active region, forming a gate electrode on the gate insulating layer, and forming an interlayer insulating layer on the gate electrode. The gate insulating layer includes a first portion overlapping with the active region and a second portion overlapping with the device isolation layer. The forming of the gate insulating layer includes etching at least a part of the second portion of the gate insulating layer to thin the part of the second portion of the gate insulating layer.


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