Coating processes – Electrical product produced – Integrated circuit – printed circuit – or circuit board
Patent
1989-11-13
1991-01-22
Beck, Shrive
Coating processes
Electrical product produced
Integrated circuit, printed circuit, or circuit board
4271262, 4271263, 427132, 427 79, C23C 2600
Patent
active
049870092
ABSTRACT:
A thick film complex electronic component mounted on a substrate including an inductance, capacitance and/or resistance by a conductive film and a magnetic film on a ceramic substrate is improved by novel magnetic film. The magnetic film is produced by depositing paste of a raw material of ferrite on the substrate, and the paste together with the substrate are sintered at a relatively low temperature in the range of 600.degree. C. and 1200.degree. C. The present magnetic film which is sintered after the raw material of ferrite is deposited on the ceramic substrate has higher permeability and is mechanically stronger.
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Robert C. Weast et al. "CRC Handbook of Chemistry and Physics" CRC Press, Inc. 1980 pp. B-99, B-109.
Atsumi Yasuhiko
Itakura Masami
Kanagawa Youiti
Nakamura Kiichi
Watanabe Hideo
Beck Shrive
Dang Vi Duong
TDK Corporation
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