PROTECTION ELEMENT

WIPO Patent Application WO/2004/061885

A1

A protection element, comprising a heating element and the low-melting-point metal element that are formed on a substrate, the low-melting-point metal element being fused by heating of the heating element, wherein the section of at least part of the low-melting-point metal element is segmented into substantially at least two independent sections by providing at least two strips of low-melting-point metal element between a pair of electrodes that feed a current to the low-melting-point metal element. This protection element is shortened and stabilized in operating time. In addition, at least two strips of low-melting-point metal element are preferably provided between the pair of electrodes that feed a current to the low-melting-point metal element. It is also preferable to provide one strip of low-melting-point metal element slit at the center thereof between the pair of electrodes that feed a current to the low-melting-point metal element.

FURUUCHI YUJI (JP)
TAMURA HISAYA (JP)
MATSUYOSHI MASAHIRO (JP)
FURUTA KAZUTAKA (JP)
KAWAZU MASAMI (JP)

PCT/JP2003/015603

July 22, 2004

December 05, 2003

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SONY CHEMICALS CORP (JP)
FURUUCHI YUJI (JP)
TAMURA HISAYA (JP)
MATSUYOSHI MASAHIRO (JP)
FURUTA KAZUTAKA (JP)
KAWAZU MASAMI (JP)

H01H37/76; H01H85/046; (IPC1-7): H01H37/76; H01H85/046; H01H85/08; H01H85/12

JP2001325868A	2001-11-22
JP2000306477A	2000-11-02
JP2000285778A	2000-10-13
JPH117846A	1999-01-12
JPS5231363A	1977-03-09
JPS538755A	1978-01-26
JPS62107335U	1987-07-09
JPH11120890A	1999-04-30

Tajime, Noboru (New-Well-Ikuta Bldg. 26-28, Mita 1-chome, Tama-k, Kawasaki-shi Kanagawa, JP)

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