Metal working – Method of mechanical manufacture – Electrical device making
Patent
1983-04-28
1985-09-24
Goldberg, Howard N.
Metal working
Method of mechanical manufacture
Electrical device making
343772, 219 1055A, H01P 1100
Patent
active
045425817
ABSTRACT:
A method for manufacturing a tubular part for travelling-wave tubes, which includes firmly placing a magnetically soft tube on a cylindrical body, cutting the magnetically soft tube into individual annular pole pieces having planar lateral surfaces throughout, inserting a ring of non-magnetic material between each two respective annular pole pieces, soldering the non-magnetic rings to the annular pole pieces, removing the cylindrical body after the soldering step, and inserting a magnet between each two respective annular pole pieces.
REFERENCES:
patent: 3105285 (1963-10-01), Favre
patent: 3247579 (1966-04-01), Cattermole et al.
patent: 3292239 (1966-12-01), Sadler
patent: 3610999 (1971-10-01), Falce
"Means for Supporting Magnetic Elements of Travelling Wave Tubes", Valva et al., RCA TN No. 194, Aug. 18, 58.
Goldberg Howard N.
Greenberg Laurence A.
Lerner Herbert L.
Rising Vernon K.
Siemens Aktiengesellschaft
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