Method of manufacturing a waveguide filter and waveguide...

Details Method of manufacturing a waveguide filter and waveguide... Method of manufacturing a waveguide filter and waveguide...

H - Electricity

01

P

26/197, 88/97.2

H01P 1/20 (2006.01) H01P 11/00 (2006.01)

Patent

CA 1242868

ABSTRACT: A waveguide filter (43) comprising a series of resonant cavities (45) separated by walls (47) each formed with an iris opening (49) is assembled from two complementary box-like bodies (25) each having an open side (31) and internal partitions forming portions of the walls (47) between the cavities. Each box-like body is manufactured by impact extrusion using an open-topped box-like die (1) in which a slug of material (5) is placed, and a punch (7) which has smaller dimensions than the die and slots (11) for the forming of the respective partitions, the punch being driven into the die with a force such that the material of the slug is displaced into the slots in the punch and into the space between the punch and the die.

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