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US 6,452,475 B1Granted
Protective device
AssigneeSony Chemicals Corp.
InventorsMasami Kawazu, Norikazu Iwasaki
Life of this patent
Estimating the term…
Abstract
A protective device comprises a fuse element provided to electrodes on a substrate. The fuse element has a liquidus point higher than the mounting temperature of the protective device, and has a solidus point lower than the mounting temperature of the protective device. The difference between the liquidus and solidus points is 5° C. or higher.
Claims6
A protective device, comprising:
- a fuse element provided to electrodes on a substrate, wherein the fuse element has a liquidus point higher than a predetermined mounting temperature of said protective device, and has a solidus point lower than the predetermined mounting temperature of said protective device.
Dependencies are inferred from the claim text.