TC

Tom Choi

Lam Research: 9 patents #327 of 2,128Top 20%
Overall (All Time): #202,674 of 4,157,543Top 5%
21
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
12374584 Multi color stack for self aligned dual pattern formation for multi purpose device structures Suketu Arun Parikh, Martin Jay Seamons, Jingmei Liang, Shuchi Sunil Ojha, Nitin K. Ingle +1 more 2025-07-29
10770269 Apparatus and methods for reducing particles in semiconductor process chambers Andrew Nguyen, Bradley J. Howard, Shahid Rauf, Ajit Balakrishna, Kenneth S. Collins +3 more 2020-09-08
10629473 Footing removal for nitride spacer Jungmin Ko 2020-04-21
10600639 SiN spacer profile patterning Jungmin Ko, Nitin K. Ingle, Kwang Soo Kim, Theodore Wou 2020-03-24
10424487 Atomic layer etching processes Jungmin Ko, Junghoon Kim, Sean S. Kang, Mang-Mang Ling 2019-09-24
10403507 Shaped etch profile with oxidation Jungmin Ko, Nitin K. Ingle 2019-09-03
10354889 Non-halogen etching of silicon-containing materials Mandar B. Pandit, Mang-Mang Ling, Nitin K. Ingle 2019-07-16
10062575 Poly directional etch by oxidation Jungmin Ko, Sean S. Kang 2018-08-28
10026621 SiN spacer profile patterning Jungmin Ko, Nitin K. Ingle, Kwang Soo Kim, Theodore Wou 2018-07-17
9818621 Cyclic oxide spacer etch process Aurelien Tavernier, Qingjun Zhou, YungChen Lin, Ying Zhang, Olivier Joubert 2017-11-14
9721807 Cyclic spacer etching process with improved profile control Qingjun Zhou, Jungmin Ko, Sean S. Kang, Jeremiah T. Pender, Srinivas D. Nemani +1 more 2017-08-01
9478433 Cyclic spacer etching process with improved profile control Qingjun Zhou, Jungmin Ko, Sean S. Kang, Jeremiah T. Pender, Srinivas D. Nemani +1 more 2016-10-25
8912633 In-situ photoresist strip during plasma etching of active hard mask Sangjun Cho, Taejoon Han, Sean S. Kang, Prabhakara Gopaladasu, Bi-Ming Yen 2014-12-16
8906810 Pulsed dielectric etch process for in-situ metal hard mask shape control to enable void-free metallization Ananth Indrakanti, Bhaskar Nagabhirava, Alan J. Jensen 2014-12-09
8283255 In-situ photoresist strip during plasma etching of active hard mask Sangjun Cho, Taejoon Han, Sean S. Kang, Prabhakara Gopaladasu, Bi-Ming Yen 2012-10-09
8124516 Trilayer resist organic layer etch Sean S. Kang, Sang-Jun Cho, Taejoon Han 2012-02-28
7782591 Methods of and apparatus for reducing amounts of particles on a wafer during wafer de-chucking Sangjun Cho, Sean S. Kang, Taejoon Han 2010-08-24
7479457 Gas mixture for removing photoresist and post etch residue from low-k dielectric material and method of use thereof Cristian Paduraru, Alan J. Jensen, David Schaefer, Robert Charatan 2009-01-20
6897156 Vacuum plasma processor method Tuqiang Ni, Kenji Takeshita, Frank Y. Lin 2005-05-24
6531029 Vacuum plasma processor apparatus and method Tuqiang Ni, Kenji Takeshita, Frank Y. Lin 2003-03-11
6514378 Method for improving uniformity and reducing etch rate variation of etching polysilicon Tuqiang Ni, Kenji Takeshita, Frank Y. Lin, Wenli Collison 2003-02-04