Inductor element for noise suppression

Details Inductor element for noise suppression Inductor element for noise suppression

1997-08-06

2000-08-22

Pianalto, Bernard

Coating processes

Electrical product produced

Wire conductor

427125, 4271266, 427130, 427131, 427132, 427261, 4273855, 4274071, 428900, B05D 512

Patent

active

061068934

ABSTRACT:
A method for manufacturing an inductor element for noise suppression, including the steps of coating one surface of a supporting body with a paste comprising ferromagnetic particles and resin so as to form a sheet, forming a conductive line by printing a conductive paste on the sheet, and coating the conductive line with a paste including ferromagnetic particles and resin so as to cover the conductive line and form a core. Also included is a step of applying heat treatment under pressure. The ferromagnetic metal particles include iron particles having diameters that fall within a range of 0.01 .mu.m to 10 .mu.m, and a content of the ferromagnetic metal particles is within a range of 30 vol % to 70 vol %.

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patent: 4301428 (1981-11-01), Mayer
patent: 5515022 (1996-05-01), Tashiro et al.
"Transmission Properties of Metal-Semiconductor-Relaxor Microstrip Lines," Hector H. Fiallo, et al. IEEE Transactions on Microwave Theory and Techniques, vol. 42, No. 7, Jul. 1994 p. 1176-1182.
"Absorber Chip Provides FR EMI Filtering," F. Uchikoba, et al. Microwaves & RF; Feb. 1995 p. 69, 72.
"A Dissipative Coaxial RFI Filter," Paul Schiffres. IEEE Transactions on Electromagnetic Compatibility; Jan. 1964 p. 55-61.
"Compatible EMI Filters," H. M. Schlicke, et al. IEEE Spectrum; Oct. 1967 p. 59-68.
"Miniature Low-Pass EMI Filters," Jerry H. Bogar, et al. Proceedings of the IEEE, vol. 67, No. 1, Jan. 1979 p. 159-163.

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