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Roland D. Vandamme
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St. Peters, MO, US
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Patents Grants
last 30 patents
Information
Patent Grant
Methods for post-epitaxial warp prediction and control
Patent number
9,601,395
Issue date
Mar 21, 2017
Sunedison Semiconductor Limited (UEN201334164H)
Sumeet S. Bhagavat
B24 - GRINDING POLISHING
Information
Patent Grant
Center flex single side polishing head having recess and cap
Patent number
9,566,687
Issue date
Feb 14, 2017
Sunedison Semiconductor Limited (UEN201334164H)
Peter Albrecht
B24 - GRINDING POLISHING
Information
Patent Grant
Methods for mounting an ingot on a wire saw
Patent number
9,156,187
Issue date
Oct 13, 2015
SunEdison Semiconductor Ltd.
Sumeet S. Bhagavat
B28 - WORKING CEMENT, CLAY, OR STONE
Information
Patent Grant
Hydrostatic pad pressure modulation in a simultaneous double side w...
Patent number
8,712,575
Issue date
Apr 29, 2014
MEMC Electronic Materials, Inc.
Sumeet S. Bhagavat
B24 - GRINDING POLISHING
Information
Patent Grant
Semiconductor and solar wafers
Patent number
8,310,031
Issue date
Nov 13, 2012
MEMC Electronic Materials, Inc.
Guoqiang David Zhang
B24 - GRINDING POLISHING
Information
Patent Grant
Methods for etching the edge of a silicon wafer
Patent number
8,309,464
Issue date
Nov 13, 2012
MEMC Electronic Materials, Inc.
Henry F. Erk
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Methods of grinding semiconductor wafers having improved nanotopology
Patent number
8,267,745
Issue date
Sep 18, 2012
MEMC Electronic Materials, Inc.
Milind S. Bhagavat
B24 - GRINDING POLISHING
Information
Patent Grant
Edge etched silicon wafers
Patent number
8,192,822
Issue date
Jun 5, 2012
MEMC Electronic Materials, Inc.
Henry F. Erk
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Methods and systems for adjusting operation of a wafer grinder usin...
Patent number
8,145,342
Issue date
Mar 27, 2012
MEMC Electronic Materials, Inc.
Sumeet S. Bhagavat
B24 - GRINDING POLISHING
Information
Patent Grant
Wafer clamping device for a double side grinder
Patent number
8,066,553
Issue date
Nov 29, 2011
MEMC Electronic Materials, Inc.
Milind S. Bhagavat
B24 - GRINDING POLISHING
Information
Patent Grant
Method for assessing workpiece nanotopology using a double side waf...
Patent number
7,927,185
Issue date
Apr 19, 2011
MEMC Electronic Materials, Inc.
Roland R. Vandamme
B24 - GRINDING POLISHING
Information
Patent Grant
Nanotopography control and optimization using feedback from warp data
Patent number
7,930,058
Issue date
Apr 19, 2011
MEMC Electronic Materials, Inc.
Sumeet S. Bhagavat
B24 - GRINDING POLISHING
Information
Patent Grant
Wire saw ingot slicing system and method with ingot preheating, web...
Patent number
7,878,883
Issue date
Feb 1, 2011
MEMC Electronics Materials, Inc.
Puneet Gupta
B28 - WORKING CEMENT, CLAY, OR STONE
Information
Patent Grant
Double side wafer grinder and methods for assessing workpiece nanot...
Patent number
7,601,049
Issue date
Oct 13, 2009
MEMC Electronic Materials, Inc.
Sumeet S. Bhagavat
B24 - GRINDING POLISHING
Information
Patent Grant
Method of polishing a semiconductor wafer
Patent number
7,559,825
Issue date
Jul 14, 2009
MEMC Electronic Materials, Inc.
Henry Frank Erk
B24 - GRINDING POLISHING
Information
Patent Grant
Method for processing a semiconductor wafer including back side gri...
Patent number
7,416,962
Issue date
Aug 26, 2008
Siltronic Corporation
Wesley Harrison
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Process for reducing waviness in semiconductor wafers
Patent number
6,200,908
Issue date
Mar 13, 2001
MEMC Electronic Materials, Inc.
Roland Vandamme
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method of processing semiconductor wafers
Patent number
6,114,245
Issue date
Sep 5, 2000
MEMC Electronic Materials, Inc.
Roland Vandamme
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Process and apparatus for etching semiconductor wafers
Patent number
5,340,437
Issue date
Aug 23, 1994
MEMC Electronic Materials, Inc.
Henry F. Erk
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
Information
Patent Application
CENTER FLEX SINGLE SIDE POLISHING HEAD HAVING RECESS AND CAP
Publication number
20160101502
Publication date
Apr 14, 2016
SunEdison Semiconductor Limited (UEN201334164H)
Peter Albrecht
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
METHODS FOR POST-EPITAXIAL WARP PREDICTION AND CONTROL
Publication number
20150371909
Publication date
Dec 24, 2015
SUNEDISON SEMICONDUCTOR LIMITED
Sumeet S. Bhagavat
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
CENTER FLEX SINGLE SIDE POLISHING HEAD
Publication number
20140357161
Publication date
Dec 4, 2014
Sumeet Bhagavat
B24 - GRINDING POLISHING
Information
Patent Application
Methods and Systems For Removing Contaminants From A Wire Of A Saw
Publication number
20130206163
Publication date
Aug 15, 2013
MEMC ELECTRONIC MATERIALS, S.P.A.
Carlo Zavattari
B08 - CLEANING
Information
Patent Application
Methods For Mounting An Ingot On A Wire Saw
Publication number
20130174829
Publication date
Jul 11, 2013
MEMC Electronic Materials, Inc.
Sumeet S. Bhagavat
B28 - WORKING CEMENT, CLAY, OR STONE
Information
Patent Application
Systems and Methods For Controlling Surface Profiles Of Wafers Slic...
Publication number
20130174828
Publication date
Jul 11, 2013
MEMC ELECTRONIC MATERIALS, S.P.A.
Carlo Zavattari
B28 - WORKING CEMENT, CLAY, OR STONE
Information
Patent Application
Methods For Controlling Displacement Of Bearings In A Wire Saw
Publication number
20130139801
Publication date
Jun 6, 2013
MEMC ELECTRONIC MATERIALS, S.P.A.
Carlo Zavattari
B28 - WORKING CEMENT, CLAY, OR STONE
Information
Patent Application
Systems For Controlling Surface Profiles Of Wafers Sliced In A Wire...
Publication number
20130144420
Publication date
Jun 6, 2013
MEMC ELECTRONIC MATERIALS, S.P.A.
Carlo Zavattari
B28 - WORKING CEMENT, CLAY, OR STONE
Information
Patent Application
Systems For Controlling Temperature Of Bearings In A Wire Saw
Publication number
20130144421
Publication date
Jun 6, 2013
MEMC ELECTRONIC MATERIALS, S.P.A.
Carlo Zavattari
B28 - WORKING CEMENT, CLAY, OR STONE
Information
Patent Application
Methods For Controlling Surface Profiles Of Wafers Sliced In A Wire...
Publication number
20130139800
Publication date
Jun 6, 2013
MEMC ELECTRONIC MATERIALS, S.P.A.
Carlo Zavattari
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
Semiconductor And Solar Wafers And Method For Processing Same
Publication number
20120028439
Publication date
Feb 2, 2012
MEMC Electronic Materials, Inc.
Guoqiang David Zhang
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Semiconductor And Solar Wafers
Publication number
20120025353
Publication date
Feb 2, 2012
MEMC Electronic Materials, Inc.
Guoqiang David Zhang
B24 - GRINDING POLISHING
Information
Patent Application
Grinding Tool For Trapezoid Grinding Of A Wafer
Publication number
20120028555
Publication date
Feb 2, 2012
MEMC Electronic Materials, Inc.
Guoqiang David Zhang
B24 - GRINDING POLISHING
Information
Patent Application
Hydrostatic Pad Pressure Modulation in a Simultaneous Double Side W...
Publication number
20110237160
Publication date
Sep 29, 2011
MEMC Electronic Materials, Inc.
Sumeet S. Bhagavat
B24 - GRINDING POLISHING
Information
Patent Application
Methods of Grinding Semiconductor Wafers Having Improved Nanotopology
Publication number
20110101504
Publication date
May 5, 2011
MEMC Electronic Materials, Inc.
Milind S. Bhagavat
B24 - GRINDING POLISHING
Information
Patent Application
Methods and Systems For Adjusting Operation Of A Wafer Grinder Usin...
Publication number
20110045740
Publication date
Feb 24, 2011
MEMC Electronic Materials, Inc.
Sumeet S. Bhagavat
B24 - GRINDING POLISHING
Information
Patent Application
Method For Assessing Workpiece Nanotopology Using A Double Side Waf...
Publication number
20100087123
Publication date
Apr 8, 2010
MEMC Electronic Materials, Inc.
Roland R. Vandamme
B24 - GRINDING POLISHING
Information
Patent Application
METHODS FOR ETCHING THE EDGE OF A SILICON WAFER
Publication number
20090247055
Publication date
Oct 1, 2009
MEMC Electronic Materials, Inc.
Henry F. Erk
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
EDGE ETCHED SILICON WAFERS
Publication number
20090246444
Publication date
Oct 1, 2009
MEMC Electronic Materials, Inc.
Henry F. Erk
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
EDGE ETCHING APPARATUS FOR ETCHING THE EDGE OF A SILICON WAFER
Publication number
20090242126
Publication date
Oct 1, 2009
MEMC Electronic Materials, Inc.
Henry F. Erk
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
NANOTOPOGRAPHY CONTROL AND OPTIMIZATION USING FEEDBACK FROM WARP DATA
Publication number
20080166948
Publication date
Jul 10, 2008
MEMC Electronic Materials, Inc.
Sumeet S. Bhagavat
B24 - GRINDING POLISHING
Information
Patent Application
METHOD OF POLISHING A SEMICONDUCTOR WAFER
Publication number
20080153391
Publication date
Jun 26, 2008
MEMC Electronic Materials, Inc.
Henry Frank Erk
B24 - GRINDING POLISHING
Information
Patent Application
Wafer Clamping Device For A Double Side Grinder
Publication number
20080020684
Publication date
Jan 24, 2008
MEMC ELECTRONIC MATERIALS, INCORPORATED
Milind S. Bhagavat
B24 - GRINDING POLISHING
Information
Patent Application
Wire saw ingot slicing system and method with ingot preheating, web...
Publication number
20070178807
Publication date
Aug 2, 2007
MEMC Electronic Materials, Inc.
Puneet Gupta
B28 - WORKING CEMENT, CLAY, OR STONE
Information
Patent Application
Double side wafer grinder and methods for assessing workpiece nanot...
Publication number
20070179660
Publication date
Aug 2, 2007
MEMC Electronic Materials, Inc.
Sumeet S. Bhagavat
B24 - GRINDING POLISHING
Information
Patent Application
Double side wafer grinder and methods for assessing workpiece nanot...
Publication number
20070179659
Publication date
Aug 2, 2007
MEMC Electronic Materials, Inc.
Roland D. Vandamme
B24 - GRINDING POLISHING
Information
Patent Application
Method for processing a semiconductor wafer including back side gri...
Publication number
20040043616
Publication date
Mar 4, 2004
Wesley Harrison
H01 - BASIC ELECTRIC ELEMENTS