73033015
Sep 26, 1974
Jul 6, 1976
LAMINATED AND GLASS SEALED CERAMIC PACKAGES USED AS CASINGS FOR PROTECTING THE CIRCUIT ELEMENTS OF INTEGRATED CIRCUITS AND LARGE SCALE INTEGRATED CIRCUITS; FLUORESCENT AND CATHODE-DISCHARGE LIGHT EMITTING DISPLAY TUBES FOR CALCULATORS, METERS, AND OTHER MEASURING APPARATUS; THERMAL PRINT HEADS FOR ELECTRONICALLY CONVERTING AND RECORDING THERMAL ENERGY INFORMATION AND SUBSTRATES THEREFOR; AND PRINTED ELECTRONIC CIRCUITS AND SUBSTRATES THEREFOR
Electrical and Scientific Apparatus