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:
Oct. 22, 2019
Filed:
Sep. 15, 2017
Samsung Electronics Co., Ltd., Suwon-si, Gyeonggi-do, KR;
Jungwoo Song, Hwaseong-si, KR;
Ye-Ro Lee, Seoul, KR;
Kwangtae Hwang, Seoul, KR;
Kwangmin Kim, Hwaseong-si, KR;
Yong Kwan Kim, Yongin-si, KR;
Jiyoung Kim, Yongin-si, KR;
Abstract
A semiconductor device including a substrate includes an active region. A bit line structure extends across the active region. A landing pad is disposed on an end portion of the active region. A first spacer is disposed between the bit line structure and the landing pad. A second spacer is disposed between the first spacer and the landing pad. An air spacer is disposed between the first spacer and the second spacer. A capping pattern is disposed between a sidewall of the landing pad and a sidewall of the bit line structure. The capping pattern defines a top surface of the air spacer and comprises a metallic material.