KK

Keechan Kim

Lam Research: 11 patents #269 of 2,128Top 15%
Overall (All Time): #438,884 of 4,157,543Top 15%
11
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
12387915 Lower plasma exclusion zone ring for bevel etcher Jack Chen, Gregory Sexton 2025-08-12
10832923 Lower plasma-exclusion-zone rings for a bevel etcher Tong Fang, Yunsang Kim, George Stojakovic 2020-11-10
10811282 Upper plasma-exclusion-zone rings for a bevel etcher Tong Fang, Yunsang Kim, George Stojakovic 2020-10-20
10748747 Edge exclusion control with adjustable plasma exclusion zone ring Yunsang Kim 2020-08-18
10629458 Control of bevel etch film profile using plasma exclusion zone rings larger than the wafer diameter Tong Fang, Yunsang Kim, George Stojakovic 2020-04-21
9799496 Edge exclusion control with adjustable plasma exclusion zone ring Yansung Kim 2017-10-24
9184030 Edge exclusion control with adjustable plasma exclusion zone ring Yansung Kim 2015-11-10
8852384 Method and apparatus for detecting plasma unconfinement Yunsang Kim, Andrew D. Bailey, III 2014-10-07
8398778 Control of bevel etch film profile using plasma exclusion zone rings larger than the wafer diameter Tong Fang, Yunsang Kim, George Stojakovic 2013-03-19
8257503 Method and apparatus for detecting plasma unconfinement Yunsang Kim, Andrew D. Bailey, III 2012-09-04
8137501 Bevel clean device Yunsang Kim, Andrew D. Bailey, III, Greg Sexton, Andras Kuthi 2012-03-20