Sian Collins

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Austin, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Selective silicon etch process
- Patent number 7,994,062
- Issue date Aug 9, 2011
- Sachem, Inc.
- William A. Wojtczak
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Cleaning solutions and etchants and methods for using same
- Patent number 7,192,910
- Issue date Mar 20, 2007
- Sachem, Inc.
- William A. Wojtczak
- C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...

Patents Applicationslast 30 patents

Information Patent Application
SELECTIVE SILICON ETCH PROCESS
- Publication number 20110104875
- Publication date May 5, 2011
- William A. Wojtczak
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Selective Wet Etchings Of Oxides
- Publication number 20080210900
- Publication date Sep 4, 2008
- William Wojtczak
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SELECTIVE METAL WET ETCH COMPOSITION AND PROCESS
- Publication number 20080116170
- Publication date May 22, 2008
- Sian Collins
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
Cleaning solutions and etchants and methods for using same
- Publication number 20050143270
- Publication date Jun 30, 2005
- Sachem, Inc.
- William A. Wojtczak
- H01 - BASIC ELECTRIC ELEMENTS