Electricity: conductors and insulators – Conduits – cables or conductors – Single duct conduits
Patent
1988-02-10
1989-05-30
Nimmo, Morris H.
Electricity: conductors and insulators
Conduits, cables or conductors
Single duct conduits
29843, 228122, 2281802, H05K 100, H01R 900, B23K 3102
Patent
active
048353442
ABSTRACT:
The present invention provides an electronic component part with terminal pins very closely and very strongly bonded to a high thermal conductivity ceramics circuit board and a method for simply and continuously manufacturing electronic component parts, with a high operability, each with terminal pins bonded to a high thermal conductivity ceramics circuit board. According to the present invention, an electronic component part is provided in which terminal pins are bonded to a high thermal conductivity ceramics circuit board by a brazing metal, containing at least one kind of Group IVa elements. In another aspect of the present invention a method is provided for manufacturing electronic component parts, which comprises the step of attaching terminal pins to a high thermal conductivity ceramics circuit board by a brazing paste layer comprised of brazing metal powder containing at least one kind of Group IVa elements, an acrylic binder with a carboxylic group as a substituent group and organic solvent, and heating the resultant structure in an atmosphere containing nitrogen as a principal element so that terminal pins are firmly bonded to a circuit board.
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Magazine of "Electronics", Metal-Ceramic Brazed Seals; R. J. Bondley; p. 97, Jul., 1947.
Iwase Nobuo
Iyogi Kiyoshi
Nakahashi Masako
Takeda Hiromitsu
Yanazawa Toshirou
Kabushiki Kaisha Toshiba
Nimmo Morris H.
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