Inventor

LANGSDORF KARLHEINZ

DE4 patents

⚠️ This page may combine multiple inventors who share the name “LANGSDORF KARLHEINZ”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

WACKER CHEMITRONIC

2 patents

US4844047AJul 4, 1989

Process for sawing crystal rods or blocks into thin wafers

WACKER CHEMITRONIC32 citations89

US5351446AOct 4, 1994

Method and apparatus for the rotary sawing of brittle and hard materials

WACKER CHEMITRONIC31 citations88

WACKER SILTRONIC HALBLEITERMAT

1 patent

US6530381B1Mar 11, 2003

Process for the wet-chemical surface treatment of a semiconductor wafer

WACKER SILTRONIC HALBLEITERMAT9 citations68

SILTRONIC AG

1 patent

US7829467B2Nov 9, 2010

Method for producing a polished semiconductor

SILTRONIC AG3 citations60