GP

Georg Pietsch

SA Siltronic Ag: 22 patents #2 of 300Top 1%
PG Peter Wolters Gmbh: 4 patents #1 of 18Top 6%
Overall (All Time): #168,450 of 4,157,543Top 5%
24
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
12311577 Method and apparatus for simultaneously slicing a multiplicity of slices from a workpiece 2025-05-27
11878359 Wire saw, wire guide roll and method for simultaneously cutting a multiplicity of wafers from an ingot 2024-01-23
9573296 Method for simultaneously cutting a multiplicity of slices of particularly uniform thickness from a workpiece 2017-02-21
9539695 Carrier, method for coating a carrier, and method for the simultaneous double-side material-removing machining of semiconductor wafers Michael Kerstan, Heiko aus dem Spring 2017-01-10
9346188 Apparatus and method for simultaneously slicing a multiplicity of slices from a workpiece 2016-05-24
9333673 Method for simultaneously cutting a multiplicity of wafers from a workpiece 2016-05-10
9199791 Device and method for buffer-storing a multiplicity of wafer-type workpieces 2015-12-01
9011209 Method and apparatus for trimming the working layers of a double-side grinding apparatus Michael Kerstan 2015-04-21
8986070 Method for trimming the working layers of a double-side grinding apparatus Michael Kerstan 2015-03-24
8974267 Insert carrier and method for the simultaneous double-side material-removing processing of semiconductor wafers Michael Kerstan 2015-03-10
8911281 Method for trimming the working layers of a double-side grinding apparatus Michael Kerstan 2014-12-16
8851958 Method for the simultaneous double-side material-removing processing of at least three workpieces 2014-10-07
8801500 Method for the simultaneous material-removing processing of both sides of at least three semiconductor wafers 2014-08-12
8795776 Method for providing a respective flat working layer on each of the two working disks of a double-side processing apparatus 2014-08-05
8685270 Method for producing a semiconductor wafer Juergen Schwandner, Thomas Buschhardt, Diego Feijoo, Michael Kerstan, Guenter Schwab 2014-04-01
8647985 Method for polishing a substrate composed of semiconductor material Juergen Schwandner, Thomas Buschhardt, Roland Koppert 2014-02-11
8512099 Method for the simultaneous double-sided material removal processing of a plurality of semiconductor wafers Michael Kerstan, Frank Runkel, Conrad von Bechtolsheim, Helge Moeller 2013-08-20
8398878 Methods for producing and processing semiconductor wafers 2013-03-19
8113913 Method for the simultaneous grinding of a plurality of semiconductor wafers Michael Kerstan, Heiko aus dem Spring 2012-02-14
7867059 Semiconductor wafer, apparatus and process for producing the semiconductor wafer Michael Kerstan, Werner Blaha 2011-01-11
7815489 Method for the simultaneous double-side grinding of a plurality of semiconductor wafers Michael Kerstan, Heiko aus dem Spring 2010-10-19
7077726 Semiconductor wafer with improved local flatness, and method for its production Michael Kerstan, Anton Huber 2006-07-18
6051498 Method for manufacturing a semiconductor wafer which is coated on one side and provided with a finish Bernd Sauter, Ernst Feuchtinger 2000-04-18
5952242 Method and device for removing a semiconductor wafer from a flat substrate Ernst Feuchtinger 1999-09-14