Electricity: electrothermally or thermally actuated switches – Electrothermally actuated switches – Fusible element actuated
Reexamination Certificate
2007-07-24
2007-07-24
Vortman, Anatoly (Department: 2835)
Electricity: electrothermally or thermally actuated switches
Electrothermally actuated switches
Fusible element actuated
C337S231000
Reexamination Certificate
active
10883032
ABSTRACT:
In order to provide a current fuse with high solderability without containing harmful materials, solder chips containing 30 to 60 percent by weight of zinc, 0.1 to 2 percent by weight of copper, 0.1 to 1 percent by weight of nickel, and the remainder percent by weight being tin, or further containing 0.01 to 0.5 percent by weight of aluminum are inserted into the interior of the electrodes before pressing the electrodes into the ends of the substrate of the fuse, the exterior of the electrodes is heated to melt the solder chips, thereby connecting between the electrodes and the fuse wire.
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“Binary Alloy Phase Diagrams”, Second Edition, p. 3417, vol. 3, ASM International, The Materials Information Society, USA.
Brorson et al., “Overview of Solders and Brazes with Reduced Environmental Loading”, May 1996, p. 37, AFR Report, Swedish Environmental Protection Agency, Stockholm, Sweden.
Kato Kazuyuki
Kobayashi Satoru
Koa Kabushiki Kaisha
Smith Patent Office
Vortman Anatoly
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