Containment of tin diffusion bar

Details Containment of tin diffusion bar Containment of tin diffusion bar

1998-12-17

2000-06-20

Picard, Leo P.

Electricity: electrothermally or thermally actuated switches

Electrothermally actuated switches

Fusible element actuated

337160, 337296, 337290, H01H 85046, H01H 8511, H01H 6902

Patent

active

060782455

ABSTRACT:
A thin film surface-mountable fuse for protection against electrical overload. The fuse comprises a substrate, fusible link, a containment compound, and a pair of terminal pads. The fusible link is produced from a first conductive material and supported on the substrate. A diffusion bar of a second conductive material is deposited on a portion of the fusible link. The containment compound is also deposited over a portion of the fusible link. The containment compound inhibits migration of the diffusion bar along the fusible link during an electrical overload. The terminal pads are electrically connected to the fusible link and also supported by the substrate.

REFERENCES:
patent: 2808487 (1957-10-01), Jacobs, Jr.
patent: 3810062 (1974-05-01), Kozacka
patent: 5552757 (1996-09-01), Blecha et al.
patent: 5668522 (1997-09-01), Kondo et al.
patent: 5739741 (1998-04-01), Hanazaki et al.

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