Matched absorptive end choke for microwave applicators

Details Matched absorptive end choke for microwave applicators Matched absorptive end choke for microwave applicators

1987-07-09

1989-08-29

Leung, Philip H.

Electric heating

Metal heating

Of cylinders

219 1055A, 174 35R, H05B 676

Patent

active

048619558

ABSTRACT:
A microwave application chamber including a reactive and absorptive choke is shown and described. The absorptive choke is made of a material having the same or close dielectric constant as the material being treated so that microwave energy will pass readily from the material being treated into the absorptive choke. The interface between the absorptive choke and the material being treated is essentially transparent to microwave without reflections. This transparency permits microwave energy to be absorbed in the absorptive choke which otherwise would follow the waveguide created by the material being treated and exit into the environment.

REFERENCES:
patent: 3365562 (1968-01-01), Jeppson
patent: 3624335 (1971-11-01), Dench
patent: 3858022 (1974-12-01), Smith
patent: 3909574 (1975-09-01), Muller et al.
patent: 4319856 (1982-03-01), Jeppson
patent: 4488027 (1984-12-01), Dudley et al.
patent: 4570045 (1986-02-01), Jeppson

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