Inventor
SIRTL ERHARD
DE11 patents
⚠️ This page may combine multiple inventors who share the name “SIRTL ERHARD”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HELIOTRONIC GMBH
6 patentsUS4312850AJan 26, 1982
Semicontinuous process for the manufacture of pure silicon
HELIOTRONIC GMBH102 citations95
US4312700AJan 26, 1982
Method for making silicon rods
HELIOTRONIC GMBH40 citations87
US4366024ADec 28, 1982
Process for making solar cell base material
HELIOTRONIC GMBH27 citations78
US4461671AJul 24, 1984
Process for the manufacture of semiconductor wafers
HELIOTRONIC GMBH18 citations71
US4767585AAug 30, 1988
Process for producing molded bodies from granular material of silicon, germanium or mixed crystals of these elements
HELIOTRONIC GMBH9 citations70
US5164138ANov 17, 1992
Material comprising silicon and process for its manufacture
HELIOTRONIC GMBH16 citations67
WACKER CHEMITRONIC
3 patentsUS4194028AMar 18, 1980
Process for applying a protective layer to shaped carbon bodies
WACKER CHEMITRONIC31 citations91
US4131659ADec 26, 1978
Process for producing large-size, self-supporting plates of silicon
WACKER CHEMITRONIC46 citations91
US4113532ASep 12, 1978
Process for producing large-size substrate-based semiconductor material utilizing vapor-phase deposition and subsequent resolidification
WACKER CHEMITRONIC18 citations72