Process for making microwave energy attenuating circuits

Details Process for making microwave energy attenuating circuits Process for making microwave energy attenuating circuits

1989-10-27

1990-10-02

Powell, William A.

Adhesive bonding and miscellaneous chemical manufacture

Delaminating processes adapted for specified product

Delaminating in preparation for post processing recycling step

51281P, 51319, 156645, 156656, 156664, 2041291, 21912169, 333 81B, 333 22R, B44C 122, C23F 102, C03C 1500, C03C 2506

Patent

active

049604872

ABSTRACT:
A process for making attenuating circuits from a waveguide, in which the guide is made from two metal parts (A, B) of elongated shape, at least one of which comprises a groove (1) over the entire length of the part or parts, the two parts (A, B) being intended to be joined to close the groove and to constitute the actual waveguide. Before assembly of the two parts, an attack is performed on the surfaces of the two parts intended to constitute the walls of the guide to roughen them. The roughness is provided, for example, by projection of a jet of sand on these walls.

REFERENCES:
patent: 3234487 (1966-02-01), Ebert
patent: 3309634 (1967-03-01), Wheeler et al.
G. L. Ragan: "Microwave Transmission Circuits", edition 1, 1948, pp. 115-117, McGraw-Hill Book Company, Inc., New York, U.S.
H. J. Reich et al.: "Very High-Frequency Techniques", vol. 2, 1947, pp. 574-577, McGraw-Hill Book Company, Inc., New York, U.S.

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