Inventor
VON AMMON WILFRIED
AT45 patents
⚠️ This page may combine multiple inventors who share the name “VON AMMON WILFRIED”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SILTRONIC AG
19 patentsUS7052948B2May 30, 2006
Film or layer made of semi-conductive material and method for producing said film or layer
SILTRONIC AG23 citations91
US7655089B2Feb 2, 2010
Process and apparatus for producing a single crystal of semiconductor material
SILTRONIC AG9 citations84
US6843848B2Jan 18, 2005
Semiconductor wafer made from silicon and method for producing the semiconductor wafer
SILTRONIC AG13 citations82
US6803331B2Oct 12, 2004
Process for the heat treatment of a silicon wafer, and silicon wafer produced
SILTRONIC AG13 citations81
US7828893B2Nov 9, 2010
Silicon wafer and process for the heat treatment of a silicon wafer
SILTRONIC AG15 citations80
US7417297B2Aug 26, 2008
Film or layer of semiconducting material, and process for producing the film or layer
SILTRONIC AG6 citations72
US7335256B2Feb 26, 2008
Silicon single crystal, and process for producing it
SILTRONIC AG8 citations71
US8043427B2Oct 25, 2011
Semiconductor wafers of silicon and method for their production
SILTRONIC AG3 citations62
US7470323B2Dec 30, 2008
Process for producing p-doped and epitaxially coated semiconductor wafers from silicon
SILTRONIC AG4 citations62
US8043929B2Oct 25, 2011
Semiconductor substrate and method for production thereof
SILTRONIC AG2 citations61
US7387676B2Jun 17, 2008
Process for producing silicon semiconductor wafers with defined defect properties, and silicon semiconductor wafers having these defect properties
SILTRONIC AG5 citations61
US7537657B2May 26, 2009
Silicon wafer and process for producing it
SILTRONIC AG2 citations60
US7868325B2Jan 11, 2011
Semiconductor wafer of single crystalline silicon and process for its manufacture
SILTRONIC AG0 citations52
US8580033B2Nov 12, 2013
Method for producing a single crystal of semiconductor material
SILTRONIC AG0 citations50
US7708830B2May 4, 2010
Method and device for the production of a silicon single crystal, silicon single crystal, and silicon semiconductor wafers with determined defect distributions
SILTRONIC AG0 citations50
US7025827B2Apr 11, 2006
Doped semiconductor wafer of float zone pulled semiconductor material, and process for producing the semiconductor wafer
SILTRONIC AG1 citations50
US6887775B2May 3, 2005
Process and apparatus for epitaxially coating a semiconductor wafer and epitaxially coated semiconductor wafer
SILTRONIC AG1 citations50
US7235863B2Jun 26, 2007
Silicon wafer and process for producing it
SILTRONIC AG0 citations49
US7771530B2Aug 10, 2010
Process and apparatus for producing a silicon single crystal
SILTRONIC AG0 citations46
WACKER SILTRONIC HALBLEITERMAT
12 patentsUS6153008ANov 28, 2000
Device and method for pulling a single crystal
WACKER SILTRONIC HALBLEITERMAT61 citations94
US5567399AOct 22, 1996
Apparatus for producing a single crystal
WACKER SILTRONIC HALBLEITERMAT56 citations91
US5868831AFeb 9, 1999
Process for controlling the growth of a crystal
WACKER SILTRONIC HALBLEITERMAT22 citations85
US5759261AJun 2, 1998
Method for pulling a monocrystal
WACKER SILTRONIC HALBLEITERMAT5 citations73
US6238477B1May 29, 2001
Process and device for the production of a single crystal
WACKER SILTRONIC HALBLEITERMAT5 citations72
US6132507AOct 17, 2000
Process and device for the production of a single crystal
WACKER SILTRONIC HALBLEITERMAT9 citations72
US5746825AMay 5, 1998
Method for determining the diameter of a growing monocrystal
WACKER SILTRONIC HALBLEITERMAT10 citations66
US6059874AMay 9, 2000
Process and device for reducing the load on a seed crystal
WACKER SILTRONIC HALBLEITERMAT5 citations63
US6171395B1Jan 9, 2001
Process and heating device for melting semiconductor material
WACKER SILTRONIC HALBLEITERMAT4 citations61
US6350314B1Feb 26, 2002
Process for producing nitrogen-doped semiconductor wafers
WACKER SILTRONIC HALBLEITERMAT2 citations59
US6395653B1May 28, 2002
Semiconductor wafer with crystal lattice defects, and process for producing this wafer
WACKER SILTRONIC HALBLEITERMAT5 citations53
US6015460AJan 18, 2000
Method and apparatus for pulling a monocrystal
WACKER SILTRONIC HALBLEITERMAT0 citations51
VON AMMON WILFRIED
4 patentsUS8221550B2Jul 17, 2012
Process and apparatus for producing a single crystal of semiconductor material
VON AMMON WILFRIED5 citations72
US9005563B2Apr 14, 2015
Silicon wafer and method for producing it
VON AMMON WILFRIED2 citations57
US8834627B2Sep 16, 2014
Method for producing a single crystal composed of silicon by remelting granules
VON AMMON WILFRIED0 citations42
US8454746B2Jun 4, 2013
Method for producing a single crystal composed of silicon using molten granules
VON AMMON WILFRIED0 citations38
WACKER CHEMITRONIC
3 patentsUS5487354AJan 30, 1996
Method for pulling a silicon single crystal
WACKER CHEMITRONIC84 citations92
US5089082AFeb 18, 1992
Process and apparatus for producing silicon ingots having high oxygen content by crucible-free zone pulling, silicon ingots obtainable thereby and silicon wafers produced therefrom
WACKER CHEMITRONIC26 citations85
US4749837AJun 7, 1988
Induction heating coil for the floating zone pulling of crystal rods
WACKER CHEMITRONIC11 citations70