Electricity: electrothermally or thermally actuated switches – Electrothermally actuated switches – Fusible element actuated
Patent
1994-05-27
1996-08-06
Picard, Leo P.
Electricity: electrothermally or thermally actuated switches
Electrothermally actuated switches
Fusible element actuated
337295, 29623, H01H 8504, H01H 6902
Patent
active
055437745
ABSTRACT:
In order to reduce the costs of assembled printed circuit boards, a printed board fuse functions with great reliability at low manufacturing costs. By coating a large area of a printed board with metal, for example, by plating, a well-defined thickness of a metal layer may be achieved in which a fuse has been separated. The well-defined thickness also allows well-defined geometry of the fuse cross-sectional area and fuse length to be achieved and therefore its resistance and interruption characteristics will also be very accurately defined. In case of a temperature rise, the metal layer surrounding the fuse will have a heat dissipating effect on the fuse, providing a substantially reduced risk of board fire.
REFERENCES:
patent: 4140988 (1979-02-01), Oakes
patent: 4296398 (1981-10-01), McGalliard
patent: 4356627 (1982-11-01), Hoffman
patent: 4376927 (1983-03-01), McGalliard
patent: 4379318 (1983-04-01), Ootsuka
patent: 4393432 (1983-07-01), Neuhaus
patent: 4394639 (1983-07-01), McGalliard
patent: 4788626 (1988-11-01), Neidig et al.
patent: 5027101 (1991-06-01), Morrill
patent: 5254969 (1993-10-01), Caddock
patent: 5296833 (1994-03-01), Breen
patent: 5298684 (1994-03-01), Leeb
Picard Leo P.
Ryan Stephen T.
Telefonaktiebolaget Ericsson
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