Electric lamp or space discharge component or device manufacturi – Process
Patent
1994-05-10
1995-02-14
Bradley, P. Austin
Electric lamp or space discharge component or device manufacturi
Process
228155, 228189, H01J 9236
Patent
active
053890256
ABSTRACT:
A method of manufacturing a magnetically split internal magnetic shield (19) which comprises two complementary parts (15) and (16). Two plate-shaped parts (15') and (16') of a ferromagnetic material are arranged next to each other at a distance d and welded together by means of a strip of a non-magnetic metal. Subsequently, an internal magnetic shield is formed from the twin plate by means of drawing, cutting and/or bending.
REFERENCES:
patent: 2458645 (1949-01-01), Rosenberg et al.
patent: 3238610 (1966-03-01), Berg
patent: 4758193 (1988-07-01), Brown
Beekmans Wilhelmus J.
Van Der Vijfeyke Henricus P.
Vanceulen Richard
Bradley P. Austin
Knapp Jeffrey T.
Miller Paul R.
U.S. Philips Corporation
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