PROTECTION ELEMENT - SONY CHEM & INF DEVICE CORP

Title:

PROTECTION ELEMENT

Document Type and Number:

WIPO Patent Application WO/2010/084817

Kind Code:

A1

Abstract:

Provided is a protection element wherein a soluble conductor stably and speedily fuses when protecting operation is performed with an excess current and the like. The protection element is provided with a soluble conductor (13), which is arranged on an insulating base substrate (11), is connected to the power supply line of an apparatus to be protected and fuses with a predetermined abnormal power, and an insulating cover (14) which covers the soluble conductor (13) and is attached to the base substrate (11). The protection element has a flux (19) which is applied on the soluble conductor (13) and is provided in the insulating cover (14). The soluble conductor (13) is fixed to a conductor layer (17) and an electrode (12) on the base substrate (11) by means of a solder paste (20), which contains a metal component having excellent wettability to the molten soluble conductor (13). The solder paste (20) spreads further outward than the periphery of the soluble conductor (13) on the electrode (12) and the conductor layer (17).

Inventors:

KIMURA YUJI (JP)
OHASHI YOUZO (JP)
ASADA TAKAHIRO (JP)

Application Number:

PCT/JP2010/050334

Publication Date:

July 29, 2010

Filing Date:

January 14, 2010

Export Citation:

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Assignee:

SONY CHEM & INF DEVICE CORP (JP)
KIMURA YUJI (JP)
OHASHI YOUZO (JP)
ASADA TAKAHIRO (JP)

International Classes:

H01H37/76

Foreign References:

JP2004363630A	2004-12-24
JP2008302407A	2008-12-18
JP2004265617A	2004-09-24
JP2000285777A	2000-10-13
JP2004214032A	2004-07-29

Other References: