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Yonghwa Chris Cha
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San Jose, CA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Hybrid heterojunction solar cell fabrication using a doping layer mask
Patent number
8,309,446
Issue date
Nov 13, 2012
Applied Materials, Inc.
Timothy W. Weidman
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Forming solar cells using a patterned deposition process
Patent number
8,207,005
Issue date
Jun 26, 2012
Applied Materials, Inc.
Timothy W. Weidman
G01 - MEASURING TESTING
Information
Patent Grant
Hybrid heterojunction solar cell fabrication using a metal layer mask
Patent number
8,183,081
Issue date
May 22, 2012
Applied Materials, Inc.
Timothy W. Weidman
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Back contact solar cells using printed dielectric barrier
Patent number
7,951,637
Issue date
May 31, 2011
Applied Materials, Inc.
Timothy W. Weidman
G01 - MEASURING TESTING
Information
Patent Grant
Deposition methods for barrier and tungsten materials
Patent number
7,611,990
Issue date
Nov 3, 2009
Applied Materials, Inc.
Ki Hwan Yoon
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Deposition methods for barrier and tungsten materials
Patent number
7,416,979
Issue date
Aug 26, 2008
Applied Materials, Inc.
Ki Hwan Yoon
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Barrier formation using novel sputter deposition method with PVD, C...
Patent number
6,740,585
Issue date
May 25, 2004
Applied Materials, Inc.
Ki Hwan Yoon
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Staged aluminum deposition process for filling vias
Patent number
6,660,135
Issue date
Dec 9, 2003
Applied Materials, Inc.
Sang-Ho Yu
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Staged aluminum deposition process for filling vias
Patent number
6,352,620
Issue date
Mar 5, 2002
Applied Materials, Inc.
Sang-Ho Yu
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
Information
Patent Application
FORMING SOLAR CELLS USING A PATTERNED DEPOSITION PROCESS
Publication number
20110183458
Publication date
Jul 28, 2011
Timothy W. Weidman
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
BACK CONTACT SOLAR CELLS USING PRINTED DIELECTRIC BARRIER
Publication number
20100055822
Publication date
Mar 4, 2010
Timothy W. Weidman
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
HYBRID HETEROJUNCTION SOLAR CELL FABRICATION USING A METAL LAYER MASK
Publication number
20100015751
Publication date
Jan 21, 2010
Applied Materials, Inc.
Timothy W. Weidman
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
HYBRID HETEROJUNCTION SOLAR CELL FABRICATION USING A DOPING LAYER MASK
Publication number
20100015756
Publication date
Jan 21, 2010
Applied Materials, Inc.
Timothy W. Weidman
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
DEPOSITION METHODS FOR BARRIER AND TUNGSTEN MATERIALS
Publication number
20080268636
Publication date
Oct 30, 2008
Ki Hwan Yoon
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
DEPOSITION METHODS FOR BARRIER AND TUNGSTEN MATERIALS
Publication number
20060276020
Publication date
Dec 7, 2006
Ki Hwan Yoon
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Barrier formation using novel sputter-deposition method
Publication number
20040211665
Publication date
Oct 28, 2004
Ki Hwan Yoon
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
An Apparatus For Annealing Substrates In Physical Vapor Deposition...
Publication number
20030029715
Publication date
Feb 13, 2003
APPLIED MATERIALS, INC.
Sang-Ho Yu
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
Barrier formation using novel sputter-deposition method
Publication number
20030022487
Publication date
Jan 30, 2003
APPLIED MATERIALS, INC.
Ki Hwan Yoon
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
Collimated sputtering of cobalt
Publication number
20030015421
Publication date
Jan 23, 2003
APPLIED MATERIALS, INC.
Yonghwa Chris Cha
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Staged aluminum deposition process for filling vias
Publication number
20020064952
Publication date
May 30, 2002
Sang-Ho Yu
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
STAGED ALUMINUM DEPOSITION PROCESS FOR FILLING VIAS
Publication number
20010047932
Publication date
Dec 6, 2001
APPLIED MATERIALS, INC.
SANG-HO YU
H01 - BASIC ELECTRIC ELEMENTS