TM

Tristan Y. Ma

VA Varian Semiconductor Equipment Associates: 21 patents #32 of 513Top 7%
Applied Materials: 7 patents #1,721 of 7,310Top 25%
📍 Lexington, MA: #166 of 2,299 inventorsTop 8%
🗺 Massachusetts: #3,464 of 88,656 inventorsTop 4%
Overall (All Time): #133,253 of 4,157,543Top 4%
28
Patents All Time

Issued Patents All Time

Showing 1–25 of 28 patents

Patent #TitleCo-InventorsDate
12422210 Techniques and device structures based upon directional dielectric deposition and bottom-up fill M. Arif Zeeshan, Kelvin Chan 2025-09-23
12191156 Ribbon beam plasma enhanced chemical vapor deposition system for anisotropic deposition of thin films John Hautala, Peter F. Kurunczi 2025-01-07
11942361 Semiconductor device cavity formation using directional deposition Armin Saeedi Vahdat, Johannes M. van Meer, John Hautala, Naushad K. Variam 2024-03-26
11778832 Wordline contact formation in NAND devices Armin Saeedi Vahdat, Johannes M. van Meer, John Hautala, Naushad K. Variam 2023-10-03
11459652 Techniques and device structures based upon directional dielectric deposition and bottom-up fill M. Arif Zeeshan, Kelvin Chan 2022-10-04
10990014 Performance improvement of EUV photoresist by ion implantation Huixiong Dai, Anthony Renau, John Hautala, Joseph C. Olson 2021-04-27
10937663 Selective photoresist etching for bridge defect removal Juiyuan Hsu 2021-03-02
10553448 Techniques for processing a polycrystalline layer using an angled ion beam Morgan Evans, Kevin Anglin, Robert Masci, John Hautala 2020-02-04
10545408 Performance improvement of EUV photoresist by ion implantation Huixiong Dai, Anthony Renau, John Hautala, Joseph C. Olson 2020-01-28
10310379 Multiple patterning approach using ion implantation Maureen Petterson, John Hautala, Steven R. Sherman 2019-06-04
10269663 Critical dimensions variance compensation Morgan Evans, Kevin Anglin, Motoya Okazaki, Johannes M. van Meer 2019-04-23
10222202 Three dimensional structure fabrication control using novel processing system Morgan Evans, Simon Ruffell, Kevin Anglin 2019-03-05
10204909 Non-uniform gate oxide thickness for DRAM device Simon Ruffell, Arvind Kumar, Kyu-Ha Shim, John Hautala, Steven R. Sherman 2019-02-12
10002764 Sputter etch material selectivity Kevin Anglin, Morgan Evans, John Hautala, Heyun Yin 2018-06-19
9929015 High efficiency apparatus and method for depositing a layer on a three dimensional structure Thomas R. Omstead, Simon Ruffell, Ethan A. Wright, John Hautala 2018-03-27
9885957 Ion-assisted deposition and implantation of photoresist to improve line edge roughness Maureen Petterson, John Hautala 2018-02-06
9735013 Ion implantation for improved contact hole critical dimension uniformity John Hautala, Maureen Petterson, Boya Cui 2017-08-15
9659784 Ion-assisted deposition and implantation of photoresist to improve line edge roughness Maureen Petterson, John Hautala 2017-05-23
9520290 Ion implantation for improved etch performance Maureen Petterson 2016-12-13
9512517 Multiple exposure treatment for processing a patterning feature Maureen Petterson, John Hautala, Ludovic Godet 2016-12-06
9460961 Techniques and apparatus for anisotropic metal etching Thomas R. Omstead, Ludovic Godet 2016-10-04
9435038 Ion implant assisted metal etching Thomas R. Omstead, William Davis Lee 2016-09-06
9396965 Techniques and apparatus for anisotropic metal etching Ludovic Godet, Thomas R. Omstead 2016-07-19
9385219 Method and apparatus for selective deposition Ellie Yieh, Srinivas D. Nemani, Ludovic Godet, Yin Fan 2016-07-05
9377692 Electric/magnetic field guided acid diffusion Peng Xie, Ludovic Godet, Joseph C. Olson, Christopher Dennis Bencher 2016-06-28