Roger Y. Tsai

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Yorkstown Heights, NY, US

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Patents Grantslast 30 patents

Information Patent Grant
Electroplated CoWP composite structures as copper barrier layers
- Patent number 7,217,655
- Issue date May 15, 2007
- International Business Machines Corporation
- Cyril Cabral, Jr.
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electroplated CoWP composite structures as copper barrier layers
- Patent number 7,193,323
- Issue date Mar 20, 2007
- International Business Machines Corporation
- Cyril Cabral, Jr.
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method for forming electromigration-resistant structures by doping
- Patent number 6,589,874
- Issue date Jul 8, 2003
- International Business Machines Corporation
- Panayotis Constantinou Andricacos
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method for forming electromigration-resistant structures by doping
- Patent number 6,268,291
- Issue date Jul 31, 2001
- International Business Machines Corporation
- Panayotis Constantinou Andricacos
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Optimization method and system having multiple inputs and multiple...
- Patent number 5,781,430
- Issue date Jul 14, 1998
- International Business Machines Corporation
- Roger Yen-Luen Tsai
- G05 - CONTROLLING REGULATING

Patents Applicationslast 30 patents

Information Patent Application
Electroplated CoWP composite structures as copper barrier layers
- Publication number 20050127518
- Publication date Jun 16, 2005
- International Business Machines Corporation
- Cyril Cabral
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
Electroplated CoWP composite structures as copper barrier layers
- Publication number 20050104216
- Publication date May 19, 2005
- International Business Machines Corporation
- Cyril Cabral
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
Method for forming electromigration-resistant structures by doping
- Publication number 20020115292
- Publication date Aug 22, 2002
- International Business Machines Corporation
- Panayotis Constantinou Andricacos
- H01 - BASIC ELECTRIC ELEMENTS