WACKER SILTRONIC GESELLSCHAFT FUR HALBLEITERMATERIALIEN AKTIENGESELLSCHAFT
Patent Owner
Stats
- 0 US PATENTS IN FORCE
- 0 US APPLICATIONS PENDING
- Apr 26, 2005 most recent publication
Details
- 0 Issued Patents
- 0 Issued in last 3 years
- 0 Published in last 3 years
- 1,178 Total Citation Count
- Feb 07, 1977 Earliest Filing
- 82 Expired/Abandoned/Withdrawn Patents
Patent Activity in the Last 10 Years
Technologies
- No Technology to Display
Top Patents (by citation)
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Recent Publications
- No Recent Publications to Display
Recent Patents
- No Recent Patents to Display
Expired/Abandoned/Withdrawn Patents
Patent #
Title
Status
Filing Date
Issue/Pub Date
Intl Class
6883912 Frame construction for eyewear having removable auxiliary lensesExpiredOct 23, 00Apr 26, 05[G02C]
2004/0144,977 Semiconductor wafer with a thin epitaxial silicon layer, and production processAbandonedJan 13, 04Jul 29, 04[H01L]
6554686 Sawing wire and method for the cutting and lapping of hard brittle workpiecesExpiredJun 13, 00Apr 29, 03[B24B]
2003/0041,798 Coated silicon wafer and process for its productionAbandonedSep 03, 02Mar 06, 03[C30B]
6362487 Method and device for nondestructive detection of crystal defectsExpiredMay 25, 99Mar 26, 02[G01N]
2002/0008,098 PROCESS AND DEVICE FOR THE HEAT TREATMENT OF SEMICONDUCTOR WAFERSAbandonedAug 23, 99Jan 24, 02[F27D]
6333785 Standard for calibrating and checking a surface inspection device and method for the production thereofExpiredNov 12, 99Dec 25, 01[G01J]
2001/0041,258 Standard for a nanotopography unit, and a method for producing the standardAbandonedMar 28, 01Nov 15, 01[C23C]
2001/0039,101 Method for converting a reclaim wafer into a semiconductor waferAbandonedFeb 23, 01Nov 08, 01[H01L]
2001/0014,570 Process for producing a semiconductor wafer with polished edgeAbandonedJan 30, 01Aug 16, 01[B24B]
6217212 Method and device for detecting an incorrect position of a semiconductor waferExpiredOct 28, 98Apr 17, 01[G01J, G01N, B65G]
6128073 Device and method for examining the smoothness of a sample surfaceExpiredFeb 18, 98Oct 03, 00[G01N]
6117230 Process for producing a silicon single crystal, and heater for carrying out the processExpiredNov 25, 97Sep 12, 00[C30B]
6073878 Method and device for unwinding or winding up a sawing wireExpiredMay 29, 98Jun 13, 00[B65H]
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