Inventor
BUSSMANN EGON
DE4 patents
Patents
4 patentsUS4055751AOct 25, 1977
Process control system for the automatic analysis and regeneration of galvanic baths
SIEMENS AG38 citations88
US4068677AJan 17, 1978
Process control circuit for metal-depositing baths
SIEMENS AG11 citations71
US4564394AJan 14, 1986
Preventing lateral oxide growth by first forming nitride layer followed by a composite masking layer
SIEMENS AG15 citations70
US3959046AMay 25, 1976
Process for the automatic checking and control of etching machines
SIEMENS AG16 citations65