Inventor
BRASCH WILLIAM R
US12 patents
Patents
12 patentsUS5750018AMay 12, 1998
Cyanide-free monovalent copper electroplating solutions
LEARONAL INC52 citations95
US4378270AMar 29, 1983
Method of etching circuit boards and recovering copper from the spent etch solutions
LEARONAL INC51 citations95
US5302278AApr 12, 1994
Cyanide-free plating solutions for monovalent metals
LEARONAL INC43 citations93
US5256275AOct 26, 1993
Electroplated gold-copper-silver alloys
LEARONAL INC35 citations92
US5085744AFeb 4, 1992
Electroplated gold-copper-zinc alloys
LEARONAL INC23 citations92
US4847114AJul 11, 1989
Preparation of printed circuit boards by selective metallization
LEARONAL INC26 citations89
US4762560AAug 9, 1988
Copper colloid and method of activating insulating surfaces for subsequent electroplating
LEARONAL INC18 citations81
US4877450AOct 31, 1989
Formaldehyde-free electroless copper plating solutions
LEARONAL INC17 citations73
US4681630AJul 21, 1987
Method of making copper colloid for activating insulating surfaces
LEARONAL INC9 citations73
USRE35513EMay 20, 1997
Cyanide-free plating solutions for monovalent metals
LEARONAL INC12 citations71
US4759952AJul 26, 1988
Process for printed circuit board manufacture
LEARONAL INC14 citations70
US4761304AAug 2, 1988
Process for printed circuit board manufacture
LEARONAL INC3 citations59