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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.:

US 9443734 B1

PDFFull Text
Date of Patent:
Sep. 13, 2016

Filed:

Dec. 18, 2014

Semiconductor memory devices and manufacturing methods thereof

Applicant:

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

Inventors:

Ki-Seok Lee, Busan, KR;

Jung-Hwan Park, Seoul, KR;

Hyo-Jin Park, Incheon, KR;

Kyu-Hyun Lee, Hwaseong-si, KR;

Assignee:

Samsung Electronics Co., Ltd., , KR;

Attorney:

Myers Bigel & Sibley, P.A.

Primary Examiner:

Armando Rodriguez

Int. Cl.
CPC ...
H01L 21/28 (2006.01); H01L 29/423 (2006.01); H01L 27/108 (2006.01);
U.S. Cl.
CPC ...
H01L 21/28008 (2013.01); H01L 27/10894 (2013.01); H01L 29/4236 (2013.01); H01L 27/10888 (2013.01); H01L 27/10891 (2013.01);
Abstract

A semiconductor memory device and a manufacturing method of the semiconductor memory device are provided. The semiconductor memory device can include a substrate in which a cell area and a peripheral area are defined, a first gate insulating layer on the peripheral area, and a poly gate layer on the first gate insulating layer to form a combined stack, wherein the combined stack of the first gate insulating layer and the first poly gate layer is absent from the cell area.

Find Patent Forward Citations

Lee, Ki-Seok. (2016). Semiconductor memory devices and manufacturing methods thereof (U.S. Patent No. 9443734). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9443734

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

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