公开(公告)号：US20170236667A1

公开(公告)日：2017-08-17

申请号：US15045842

申请日：2016-02-17

Applicant: DEXERIALS CORPORATION

Inventor： Yuji FURUUCHI ,  Takashi FUJIHATA ,  Koichi MUKAI

IPC: H01H37/34 ,  H01H85/02

CPC classification number: H01H85/046 ,  H01H37/761 ,  H01H2037/046

Abstract: A protective element includes: an insulating substrate; a heat-generating element formed on the insulating substrate; first and second electrodes formed on side edges of a front surface of the insulating substrate; first and second connecting terminals provided on the back surface of the insulating substrate and being continuous with the electrodes; through-holes penetrating the front and back surfaces of the insulating substrate to connect the electrodes to the connecting terminals respectively; a heat-generating element extracting electrode electrically connected to the heat-generating element; and a meltable conductor laminated on a region extending from the heat-generating element extracting electrode to the electrodes and to be melted by heat to interrupt the current path between the electrodes; wherein the through-holes are formed at a central portion of the side edges of the insulating substrate on which the electrodes are formed.

公开(公告)号：US20170236666A1

公开(公告)日：2017-08-17

申请号：US15045686

申请日：2016-02-17

Applicant: DEXERIALS CORPORATION

Inventor： Yuji FURUUCHI ,  Takashi FUJIHATA ,  Koichi MUKAI

IPC: H01H37/34 ,  H01H85/02

CPC classification number: H01H37/34 ,  H01H85/0241 ,  H01H2085/0283

Abstract: A protective element includes: a rectangurarly shaped insulating substrate; a heat-generating element formed on the insulating substrate; first and second electrodes laminated on a surface of the insulating substrate; first and second connecting terminals provided on a back surface of the insulating substrate and being continuous with the first and second electrodes; a heat-generating element extracting electrode provided on a current path between the first and the second electrodes and electrically connected to the heat-generating element; and a meltable conductor laminated on a region extending from the heat-generating element extracting electrode to the first and second electrodes and to be melted by heat to interrupt the current path between the first electrode and the second electrodes; wherein at least one of the corner portions of the insulating substrate is chamfered.

公开(公告)号：US20170236665A1

公开(公告)日：2017-08-17

申请号：US15045584

申请日：2016-02-17

Applicant: DEXERIALS CORPORATION

Inventor： Yuji FURUUCHI ,  Takashi FUJIHATA ,  Koichi MUKAI

IPC: H01H37/04 ,  H01H37/34 ,  H01H37/76

CPC classification number: H01H37/04 ,  H01H37/34 ,  H01H37/761 ,  H01H85/046 ,  H01H2037/046

Abstract: In a protective circuit substrate having a circuit substrate and a protective element, the protective element including: an insulating substrate; a heat-generating element; first and second electrodes laminated on the insulating substrate; a first and second connecting terminals provided on one side edge of a mounting surface to be mounted to the circuit substrate, the first connecting terminals being continuous with the first and second electrodes; a heat-generating element extracting electrode provided in a current path between the first and second electrodes and electrically connected to the heat-generating element; and a meltable conductor provided between the first and second electrodes, wherein the circuit substrate includes a region for mounting the protective element in which no electrode pattern other than a connecting electrode to the protective element is provided.

公开(公告)号：US20160049272A1

公开(公告)日：2016-02-18

申请号：US14779464

申请日：2014-04-24

Applicant: DEXERIALS CORPORATION

Inventor： Chisato KOMORI ,  Koichi MUKAI ,  Kazutaka FURUTA ,  Toshiaki ARAKI ,  Koji EJIMA ,  Takashi FUJIHATA

IPC: H01H37/34

CPC classification number: H01H37/34 ,  H01H37/761 ,  H01H2085/0283

Abstract: To spread flux evenly across the entire surface of a rectangular meltable conductor, a protective element includes: an insulating substrate; a heat-generating resistor disposed on the insulating substrate; a first and a second electrodes laminated onto the insulating substrate; a heat-generating element extracting electrode overlapping the heat-generating resistor in a state electrically insulated therefrom and electrically connected to the heat-generating resistor on a current path between the first and the second electrodes; a rectangular meltable conductor laminated between the heat-generating element extracting electrode and the first and the second electrodes for interrupting a current path between the first electrode and the second electrode by being melted by heat; and a plurality of flux bodies disposed on the meltable conductor; wherein the flux bodies are disposed along the heat-generating resistor.

Abstract translation: 为了将通量均匀地扩散到矩形可熔融导体的整个表面上，保护元件包括：绝缘基板; 设置在绝缘基板上的发热电阻器; 层压在绝缘基板上的第一和第二电极; 发热元件提取电极，与发热电阻体的电绝缘状态重叠，并与第一和第二电极之间的电流路径上的发热电阻电连接; 层叠在所述发热元件提取电极与所述第一和第二电极之间的矩形可熔融导体，用于通过热熔化来中断所述第一电极和所述第二电极之间的电流通路; 以及设置在所述可熔接导体上的多个焊剂体; 其中所述通量体沿着发热电阻器设置。