74270992
Apr 29, 1992
May 24, 1994
chemical for use in the manufacture of circuit boards; namely, electrically conductive ink solutions, substrates for circuit boards, solder chemicals and solder fluxes, adhesives for use in the manufacture of electronic equipment, chemical films and coatings used for circuit boards and electronic devices
Chemicalspin grid arrays; micro chip carriers; multi-chip modules; circuit boards, printed circuits and electrical conductors
Electrical and Scientific Apparatus