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.:
Date of Patent:
Jul. 23, 2013
Filed:
Aug. 10, 2012
Ji-young Kim, Yongin-si, KR;
Gyo-young Jin, Seoul, KR;
Hyeong-sun Hong, Seongnam-si, KR;
Yoo-sang Hwang, Suwon-si, KR;
Sung-kwan Choi, Hwaseong-si, KR;
Hyun-woo Chung, Seoul, KR;
Ji-young Kim, Yongin-si, KR;
Gyo-young Jin, Seoul, KR;
Hyeong-sun Hong, Seongnam-si, KR;
Yoo-sang Hwang, Suwon-si, KR;
Sung-kwan Choi, Hwaseong-si, KR;
Hyun-woo Chung, Seoul, KR;
Samsung Electronics Co., Ltd., Suwon-Si, Gyeonggi-Do, KR;
Abstract
A semiconductor device includes a semiconductor substrate including an active region defined by a device isolation layer, a trench extending across the active region, a buried gate filling a part of the trench and including a base portion, a first extension portion, and a second extension portion extending along an inner wall of the trench, and having different heights at sides of the base portion, and a capping layer formed on the buried gate and filling the trench.