CY

Chienfan Yu

IBM: 27 patents #3,831 of 70,183Top 6%
Infineon Technologies Ag: 3 patents #2,452 of 7,486Top 35%
Overall (All Time): #147,114 of 4,157,543Top 4%
27
Patents All Time

Issued Patents All Time

Showing 1–25 of 27 patents

Patent #TitleCo-InventorsDate
9059194 High-K and metal filled trench-type EDRAM capacitor with electrode depth and dimension control Colin J. Brodsky, Anne C. Friedman, Herbert L. Ho, Byeong Y. Kim, Dan M. Mocuta +1 more 2015-06-16
6960523 Method of reducing erosion of a nitride gate cap layer during reactive ion etch of nitride liner layer for bit line contact of DRAM device Michael Maldei, Prakash Dev, David M. Dobuzinsky, Johnathan E. Faltermeier, Thomas Rupp +3 more 2005-11-01
6890815 Reduced cap layer erosion for borderless contacts Johnathan E. Faltermeier, Jeremy K. Stephens, David M. Dobuzinsky, Larry Clevenger, Munir D. Naeem +3 more 2005-05-10
6884734 Vapor phase etch trim structure with top etch blocking layer Frederick Buehrer, Derek Chen, William Chu, Scott W. Crowder, Sadanand V. Deshpande +4 more 2005-04-26
6864041 Gate linewidth tailoring and critical dimension control for sub-100 nm devices using plasma etching Jeffrey J. Brown, Sadanand V. Deshpande, David V. Horak, Maheswaran Surendra, Len Yuan Tsou +2 more 2005-03-08
6656375 Selective nitride: oxide anisotropic etch process Michael D. Armacost, David M. Dobuzinsky, John C. Malinowski, Hung Y. Ng, Richard S. Wise 2003-12-02
6617085 Wet etch reduction of gate widths Babar A. Kanh, Naim Moumen, Wesley C. Natzle 2003-09-09
6541320 Method to controllably form notched polysilicon gate structures Jeffrey J. Brown, Richard S. Wise, Hongwen Yan, Qingyun Yang 2003-04-01
6518151 Dual layer hard mask for eDRAM gate etch process David M. Dobuzinsky, Babar A. Khan, Joyce C. Liu, Paul Wensley 2003-02-11
6509219 Fabrication of notched gates by passivating partially etched gate sidewalls and then using an isotropic etch Len Yuan Tsou, Hongwen Yan, Qingyun Yang 2003-01-21
6429067 Dual mask process for semiconductor devices Joyce C. Liu, James C. Brighten, Jeffrey J. Brown, John W. Golz, George A. Kaplita +4 more 2002-08-06
6419785 Endpoint detection by chemical reaction Leping Li, James Albert Gilhooly, Clifford Owen Morgan, III, Cong Wei 2002-07-16
6294102 Selective dry etch of a dielectric film Delores Bennett, James P. Norum, Hongwen Yan 2001-09-25
6228769 Endpoint detection by chemical reaction and photoionization Leping Li, James Albert Gilhooly, Clifford Owen Morgan, III, Cong Wei 2001-05-08
6180422 Endpoint detection by chemical reaction Leping Li, James Albert Gilhooly, Clifford Owen Morgan, III, Cong Wei 2001-01-30
6074951 Vapor phase etching of oxide masked by resist or masking material Richard L. Kleinhenz, Wesley C. Natzle 2000-06-13
6071815 Method of patterning sidewalls of a trench in integrated circuit manufacturing Richard L. Kleinhenz, Wesley C. Natzle 2000-06-06
6066564 Indirect endpoint detection by chemical reaction Leping Li, James Albert Gilhooly, Clifford Owen Morgan, III, Cong Wei 2000-05-23
6054328 Method for cleaning the surface of a dielectric Peter Richard Duncombe, David E. Kotecki, Robert Benjamin Laibowitz, Wesley C. Natzle 2000-04-25
5876879 Oxide layer patterned by vapor phase etching Richard L. Kleinhenz, Wesley C. Natzle 1999-03-02
5838055 Trench sidewall patterned by vapor phase etching Richard L. Kleinhenz, Wesley C. Natzle 1998-11-17
5792275 Film removal by chemical transformation and aerosol clean Wesley C. Natzle, Jin J. Wu 1998-08-11
5766971 Oxide strip that improves planarity David C. Ahlgren, Gary B. Bronner, Wesley C. Natzle, Erick G. Walton 1998-06-16
5636320 Sealed chamber with heating lamps provided within transparent tubes David E. Kotecki, Wesley C. Natzle 1997-06-03
5423940 Supersonic molecular beam etching of surfaces Lee Chen, Shwu-Jen Jeng, Wesley C. Natzle 1995-06-13