Inventor
HOLDER JOHN D
US19 patents
⚠️ This page may combine multiple inventors who share the name “HOLDER JOHN D”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MEMC ELECTRONIC MATERIALS
16 patentsUS5976247ANov 2, 1999
Surface-treated crucibles for improved zero dislocation performance
MEMC ELECTRONIC MATERIALS130 citations95
US5980629ANov 9, 1999
Methods for improving zero dislocation yield of single crystals
MEMC ELECTRONIC MATERIALS67 citations94
US6454851B1Sep 24, 2002
Method for preparing molten silicon melt from polycrystalline silicon charge
MEMC ELECTRONIC MATERIALS29 citations92
US6284040B1Sep 4, 2001
Process of stacking and melting polycrystalline silicon for high quality single crystal production
MEMC ELECTRONIC MATERIALS22 citations92
US5904768AMay 18, 1999
Process for controlling the oxygen content in silicon wafers heavily doped with antimony or arsenic
MEMC ELECTRONIC MATERIALS19 citations92
US5588993ADec 31, 1996
Method for preparing molten silicon melt from polycrystalline silicon charge
MEMC ELECTRONIC MATERIALS52 citations92
US5288366AFeb 22, 1994
Method for growing multiple single crystals and apparatus for use therein
MEMC ELECTRONIC MATERIALS17 citations82
US6315828B1Nov 13, 2001
Continuous oxidation process for crystal pulling apparatus
MEMC ELECTRONIC MATERIALS13 citations73
US6214109B1Apr 10, 2001
Apparatus for controlling the oxygen content in silicon wafers heavily doped with antimony or arsenic
MEMC ELECTRONIC MATERIALS8 citations73
US6039801AMar 21, 2000
Continuous oxidation process for crystal pulling apparatus
MEMC ELECTRONIC MATERIALS14 citations73
US5373807ADec 20, 1994
Apparatus for growing multiple single crystals
MEMC ELECTRONIC MATERIALS11 citations73
US6183553B1Feb 6, 2001
Process and apparatus for preparation of silicon crystals with reduced metal content
MEMC ELECTRONIC MATERIALS10 citations70
US6589332B1Jul 8, 2003
Method and system for measuring polycrystalline chunk size and distribution in the charge of a Czochralski process
MEMC ELECTRONIC MATERIALS8 citations65
US7497907B2Mar 3, 2009
Partially devitrified crucible
MEMC ELECTRONIC MATERIALS5 citations63
US6749683B2Jun 15, 2004
Process for producing a silicon melt
MEMC ELECTRONIC MATERIALS3 citations62
US7291222B2Nov 6, 2007
Systems and methods for measuring and reducing dust in granular material
MEMC ELECTRONIC MATERIALS4 citations57