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:
Apr. 28, 2026
Filed:
Aug. 11, 2023
SK Keyfoundry Inc., Cheongju-si, KR;
Hyunkwang Shin, Cheongju-si, KR;
SK keyfoundry Inc., Cheongju-si, KR;
Abstract
A semiconductor device includes a source region and a drain region formed on a substrate; a gate structure formed between the source region and the drain region; a field insulating layer formed between the gate structure and the drain region; a first field plate structure formed on the field insulating layer, formed on a same plane and material as the gate structure; a source metal wiring connected to the source region, the first field plate structure, and the second field plate structure; a drain metal wiring connected to the drain region; and an interlayer insulating layer formed under the source metal wiring and the drain metal wiring; and a second field plate structure formed on the interlayer insulating layer, formed between the first field plate structure and the drain region, and formed of a material different from a material of the first field plate structure.