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Klaus Roettger
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Bachmehring, DE
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Patents Grants
last 30 patents
Information
Patent Grant
Monocrystalline semiconductor wafer and method for producing a semi...
Patent number
11,075,070
Issue date
Jul 27, 2021
Siltronic AG
Klaus Roettger
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method for polishing a semiconductor wafer
Patent number
10,189,142
Issue date
Jan 29, 2019
Siltronic AG
Klaus Roettger
B24 - GRINDING POLISHING
Information
Patent Grant
Method for polishing semiconductor wafers by means of simultaneous...
Patent number
9,221,149
Issue date
Dec 29, 2015
Siltronic AG
Rainer Baumann
B24 - GRINDING POLISHING
Information
Patent Grant
Method for polishing a semiconductor wafer
Patent number
RE44986
Issue date
Jul 1, 2014
Siltronic AG
Clemens Zapilko
451 - Abrading
Information
Patent Grant
Method for producing a semiconductor wafer
Patent number
8,242,020
Issue date
Aug 14, 2012
Siltronic AG
Klaus Roettger
B24 - GRINDING POLISHING
Information
Patent Grant
Method for polishing a semiconductor wafer
Patent number
8,157,617
Issue date
Apr 17, 2012
Siltronic AG
Clemens Zapilko
B24 - GRINDING POLISHING
Patents Applications
last 30 patents
Information
Patent Application
MONOCRYSTALLINE SEMICONDUCTOR WAFER AND METHOD FOR PRODUCING A SEMI...
Publication number
20180342383
Publication date
Nov 29, 2018
Siltronic AG
Klaus ROETTGER
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
METHOD FOR POLISHING SEMICONDUCTOR WAFERS BY MEANS OF SIMULTANEOUS...
Publication number
20140308878
Publication date
Oct 16, 2014
Siltronic AG
Rainer Baumann
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
METHOD FOR POLISHING A SEMICONDUCTOR WAFER
Publication number
20140206261
Publication date
Jul 24, 2014
Siltronic AG
Klaus Roettger
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
PROCESS FOR POLISHING A SEMICONDUCTOR WAFER, COMPRISING THE SIMULTA...
Publication number
20140141613
Publication date
May 22, 2014
Siltronic AG
Alexander Heilmaier
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Carrier For Holding Semiconductor Wafers During A Double-Side Polis...
Publication number
20100210188
Publication date
Aug 19, 2010
Siltronic AG
Klaus Roettger
B24 - GRINDING POLISHING
Information
Patent Application
Method For Polishing A Semiconductor Wafer
Publication number
20100056027
Publication date
Mar 4, 2010
Siltronic AG
Clemens Zapilko
B24 - GRINDING POLISHING
Information
Patent Application
METHOD FOR PRODUCING A SEMICONDUCTOR WAFER
Publication number
20100055908
Publication date
Mar 4, 2010
Siltronic AG
Klaus Roettger
B24 - GRINDING POLISHING
Information
Patent Application
Method For Producing A Semiconductor Wafer With A Polished Edge
Publication number
20090130960
Publication date
May 21, 2009
Siltronic AG
Klaus Roettger
B24 - GRINDING POLISHING
Information
Patent Application
Method for the single-sided polishing of bare semiconductor wafers
Publication number
20080305722
Publication date
Dec 11, 2008
Siltronic AG
Klaus Roettger
B24 - GRINDING POLISHING
Information
Patent Application
Method For Polishing A Semiconductor Wafer And Polished Semiconduct...
Publication number
20080070483
Publication date
Mar 20, 2008
Siltronic AG
Klaus Roettger
B24 - GRINDING POLISHING