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:
Sep. 02, 2025
Filed:
Apr. 27, 2022
Applicant:
Db Hitek Co., Ltd., Bucheon-si, KR;
Inventors:
Ki Won Lim, Suwon-si, KR;
Jin Hyo Jung, Suwon-si, KR;
Hae Taek Kim, Bucheon, KR;
Seung Hyun Eom, Seoul, KR;
Ja Geon Koo, Eumseong-gun, KR;
Hyun Joong Lee, Daejeon, KR;
Sang Yong Lee, Chungju-si, KR;
Assignee:
DB HiTek Co., Ltd., Bucheon-si, KR;
Primary Examiner:
Int. Cl.
CPC ...
H10D 64/27 (2025.01); H01L 21/768 (2006.01); H01L 23/528 (2006.01); H01L 23/532 (2006.01);
U.S. Cl.
CPC ...
H01L 23/5283 (2013.01); H01L 21/7682 (2013.01); H10D 64/519 (2025.01); H01L 21/76885 (2013.01); H01L 23/5329 (2013.01);
Abstract
An RF switch device in a stacked configuration and a method of manufacturing the same seek to reduce or eliminate a voltage imbalance, a condition in which different voltages are applied to different stages of the RF switch device, by forming air gaps on or over corresponding gate electrodes, in which each of the air gaps in a single stage has a different width.