Method for fabricating a dielectric filled ferrite toroid for us

Details Method for fabricating a dielectric filled ferrite toroid for us Method for fabricating a dielectric filled ferrite toroid for us

1975-04-14

1977-02-15

Hall, Carl E.

Metal working

Method of mechanical manufacture

Electrical device making

29602R, 29608, 333 241, 336212, 336233, H01P 1100, H01F 4102

Patent

active

040075419

ABSTRACT:
The process provides practical manufacture of a two-piece, dielectric filled, ferrite toroid assembly while providing optimum electromagnetic characteristics presently not consistently available by manufacturing the toroid in a pressed one-piece configuration. A pair of complementary ferrite blanks of selected shapes are machined to dimension, and the mating surfaces thereof are selectively lapped. The complementary ferrite parts are then permanently assembled about a pre-machined dielectric insert, and the composite toroid is secured together by a selected adhesive selectively disposed therein.

REFERENCES:
patent: 2158613 (1939-05-01), Loughlin
patent: 2785038 (1957-03-01), Ferber
patent: 3007125 (1961-10-01), Furbee
patent: 3539950 (1970-11-01), Freibergs
patent: 3557266 (1971-01-01), Chiba et al.
patent: 3768040 (1973-10-01), Mason et al.
patent: 3906408 (1975-09-01), Siekanowicz
"Fabrication Processes," Microwave Journal, June, 1966, p. 81.

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