Inventor
VIRBULIS JANIS
DE7 patents
⚠️ This page may combine multiple inventors who share the name “VIRBULIS JANIS”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SILTRONIC AG
5 patentsUS7335256B2Feb 26, 2008
Silicon single crystal, and process for producing it
SILTRONIC AG8 citations71
US6840998B2Jan 11, 2005
Silicon single crystal produced by crucible-free float zone pulling
SILTRONIC AG10 citations70
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
US7771530B2Aug 10, 2010
Process and apparatus for producing a silicon single crystal
SILTRONIC AG0 citations46