Heat dissipation substrate for electronic device
    2.
    发明申请
    Heat dissipation substrate for electronic device 审中-公开
    电子元件散热基板

    公开(公告)号:US20080057333A1

    公开(公告)日:2008-03-06

    申请号:US11803039

    申请日:2007-05-11

    IPC分类号: B21D39/00

    摘要: A heat dissipation substrate for an electronic device comprises a first metal layer, a second metal layer, and a thermally conductive polymer dielectric insulating layer. A surface of the first metal layer carries the electronic device, e.g., a light-emitting diode (LED) device. The thermally conductive polymer dielectric insulating layer is stacked between the first metal layer and the second metal layer in a physical contact manner, and interfaces therebetween include at least one micro-rough surface with a roughness Rz larger than 7.0. The micro-rough surface includes a plurality of nodular projections, and the grain sizes of the nodular projections mainly are in a range of 0.1-100 μm. The heat dissipation substrate has a thermal conductivity larger than 1.0 W/m·K, and a thickness smaller than 0.5 mm, and comprises (1) a fluorine-containing polymer with a melting point higher than 150° C. and a volume percentage in a range of 30-60%, and (2) thermally conductive filler dispersed in the fluorine-containing polymer and having a volume percentage in a range of 40-70%.

    摘要翻译: 电子器件的散热基板包括第一金属层,第二金属层和导热聚合物介电绝缘层。 第一金属层的表面承载电子装置,例如发光二极管(LED)装置。 导热性聚合物介电绝缘层以物理接触的方式堆叠在第一金属层和第二金属层之间,并且其间的界面包括至少一个粗糙度Rz大于7.0的微粗糙表面。 微粗糙表面包括多个结节状突起,并且结节状突起的粒径主要在0.1〜100μm的范围内。 散热基板的热导率大于1.0W / mK,厚度小于0.5mm,其特征在于,包含:(1)熔点高于150℃的含氟聚合物, 为30〜60%,(2)分散在含氟聚合物中的导热性填料,体积百分比为40〜70%。

    Surface mountable over-current protection device
    4.
    发明授权
    Surface mountable over-current protection device 有权
    表面贴装过流保护装置

    公开(公告)号:US09000881B2

    公开(公告)日:2015-04-07

    申请号:US13901068

    申请日:2013-05-23

    摘要: A surface-mountable over-current protection device comprises a PTC material layer, first and second conductive layers, first and second electrodes, first and second electrically conductive connecting members. The PTC material layer has a resistivity less than 0.18 Ω-cm. The conductive layers are in contact with opposite surfaces of the PTC material layer. The first electrode comprises pair of first metal foils and is insulated from the second conductive layer. The second electrode comprises a pair of second metal foils and is insulated from the first conductive layer. The first electrically conductive connecting member connects to the first metal foils and conductive layer. The second electrically conductive connecting member connects to the second metal foils and conductive layer. The first electrically conductive connecting member comprises 40%-100% by area of the first lateral surface, and the second electrically conductive connecting member comprises 40%-100% by area of the second lateral surface.

    摘要翻译: 表面安装式过流保护装置包括PTC材料层,第一和第二导电层,第一和第二电极,第一和第二导电连接构件。 PTC材料层的电阻率小于0.18&OHgr; -cm。 导电层与PTC材料层的相对表面接触。 第一电极包括一对第一金属箔并且与第二导电层绝缘。 第二电极包括一对第二金属箔,并与第一导电层绝缘。 第一导电连接构件连接到第一金属箔和导电层。 第二导电连接构件连接到第二金属箔和导电层。 第一导电连接构件包括第一侧面的40%-100%的面积,第二导电连接构件包括第二侧面的40%-100%的面积。

    Over-current protection device and method for manufacturing the same
    5.
    发明授权
    Over-current protection device and method for manufacturing the same 有权
    过电流保护装置及其制造方法

    公开(公告)号:US08421584B2

    公开(公告)日:2013-04-16

    申请号:US13351700

    申请日:2012-01-17

    IPC分类号: H01C7/10

    摘要: An over-current protection device includes a conductive composite having a first crystalline fluorinated polymer, a plurality of particulates, a conductive filler, and a non-conductive filler, wherein the plurality of particulates include a second crystalline fluorinated polymer. The first crystalline fluorinated polymer has a crystalline melting temperature of between 150 and 190 degrees Celsius. The plurality of particulates including the second crystalline fluorinated polymer are disposed in the conductive composite, having a crystalline melting temperature of between 320 and 390 degrees Celsius and having a particulate diameter of from 1 to 50 micrometers. The conductive filler and the non-conductive filler are dispersed in the conductive composite.

    摘要翻译: 一种过电流保护装置包括具有第一结晶氟化聚合物,多个微粒,导电填料和非导电填料的导电复合材料,其中所述多个微粒包括第二结晶氟化聚合物。 第一结晶氟化聚合物的结晶熔融温度在150至190摄氏度之间。 包括第二结晶氟化聚合物的多个微粒设置在导电复合材料中,其结晶熔融温度为320-390℃,其粒径为1至50微米。 导电填料和非导电填料分散在导电复合材料中。

    OVER-CURRENT PROTECTION DEVICE AND METHOD FOR MANUFACTURING THE SAME
    6.
    发明申请
    OVER-CURRENT PROTECTION DEVICE AND METHOD FOR MANUFACTURING THE SAME 有权
    过流保护装置及其制造方法

    公开(公告)号:US20120182118A1

    公开(公告)日:2012-07-19

    申请号:US13351700

    申请日:2012-01-17

    IPC分类号: H01C7/13 H05B6/00 C04B35/553

    摘要: An over-current protection device includes a conductive composite having a first crystalline fluorinated polymer, a plurality of particulates, a conductive filler, and a non-conductive filler, wherein the plurality of particulates include a second crystalline fluorinated polymer. The first crystalline fluorinated polymer has a crystalline melting temperature of between 150 and 190 degrees Celsius. The plurality of particulates including the second crystalline fluorinated polymer are disposed in the conductive composite, having a crystalline melting temperature of between 320 and 390 degrees Celsius and having a particulate diameter of from 1 to 50 micrometers. The conductive filler and the non-conductive filler are dispersed in the conductive composite.

    摘要翻译: 一种过电流保护装置包括具有第一结晶氟化聚合物,多个微粒,导电填料和非导电填料的导电复合材料,其中所述多个微粒包括第二结晶氟化聚合物。 第一结晶氟化聚合物的结晶熔融温度在150至190摄氏度之间。 包括第二结晶氟化聚合物的多个微粒设置在导电复合材料中,其结晶熔融温度为320-390℃,其粒径为1至50微米。 导电填料和非导电填料分散在导电复合材料中。

    Over-current protection device and battery protection circuit assembly containing the same
    7.
    发明授权
    Over-current protection device and battery protection circuit assembly containing the same 有权
    过流保护装置和电池保护电路组件包含相同

    公开(公告)号:US08687336B2

    公开(公告)日:2014-04-01

    申请号:US13345129

    申请日:2012-01-06

    IPC分类号: H02H5/04

    CPC分类号: H01C7/02

    摘要: An over-current protection device is disposed on a circuit board and configured to protect a battery. The over-current protection device includes a resistive device, at least one insulation layer and a weld electrode layer. The resistive device exhibits positive temperature coefficient behavior. The insulation layer has a thickness of at least 0.03 mm. The weld electrode layer is configured to weld a strip interconnect member to electrically coupled to the battery, and has a thickness of at least 0.03 mm. The insulation layer and the resistive device are disposed between the weld electrode layer and the circuit board. The circuit board, the resistive device and the weld electrode layer are electrically coupled in series. The association of the resistive device and the weld electrode layer has a thermal mass capable of withstanding welding the strip interconnect member without significant damage to the over-current protection device.

    摘要翻译: 过电流保护装置设置在电路板上并被配置为保护电池。 过电流保护器件包括电阻器件,至少一个绝缘层和焊接电极层。 电阻器件具有正温度系数特性。 绝缘层的厚度至少为0.03mm。 焊接电极层被配置为焊接条状互连构件以电耦合到电池,并且具有至少0.03mm的厚度。 绝缘层和电阻装置设置在焊接电极层和电路板之间。 电路板,电阻器件和焊接电极层电耦合在一起。 电阻器件和焊接电极层的关联具有能够耐受焊接条状互连部件而不对过电流保护器件造成显着损害的热质量。

    Radial-leaded over-current protection device
    8.
    发明授权
    Radial-leaded over-current protection device 有权
    径向引线过流保护装置

    公开(公告)号:US09147509B2

    公开(公告)日:2015-09-29

    申请号:US14281038

    申请日:2014-05-19

    摘要: A radial-leaded over-current protection device includes a PTC device, first and second electrode leads and an insulating encapsulation layer. The PTC device has first and a second conductive layers and a PTC material layer therebetween. The PTC material layer has a resistivity less than 0.18 Ω-cm and includes crystalline polymer and conductive ceramic filler. The ceramic filler has a resistivity less than 500 Ω-cm and is 35-65% by volume of the PTC material layer. The first electrode lead has an end connecting to the first conductive layer, whereas the second electrode lead has an end connecting to the second conductive layer. The insulating encapsulation layer wraps the PTC device and the ends of the conductive layers. The radial-leaded over-current protection device at 25° C. has a value of hold current thereof divided by an area of the PTC device ranging from 0.027-0.3A/mm2. Each electrode lead has a cross-sectional area of at least 0.16 mm2.

    摘要翻译: 径向引线的过电流保护装置包括PTC器件,第一和第二电极引线以及绝缘封装层。 PTC器件具有第一和第二导电层和PTC材料层之间。 PTC材料层的电阻率小于0.18&OHgr·-cm,并且包括结晶聚合物和导电陶瓷填料。 陶瓷填料的电阻率小于500Ω-OHgr·-cm,是PTC材料层的35-65%(体积)。 第一电极引线具有连接到第一导电层的端部,而第二电极引线具有连接到第二导电层的端部。 绝缘封装层包裹PTC器件和导电层的端部。 在25℃的径向引线的过电流保护器件,其保持电流值除以PTC器件的面积为0.027-0.3A / mm2。 每个电极引线的横截面积至少为0.16mm 2。

    Surface-mounted over-current protection device
    9.
    发明授权
    Surface-mounted over-current protection device 有权
    表面贴装过流保护装置

    公开(公告)号:US07701322B2

    公开(公告)日:2010-04-20

    申请号:US11478604

    申请日:2006-07-03

    IPC分类号: H01C7/13

    CPC分类号: H01C7/021 H01C1/1406

    摘要: A surface-mounted over-current protection device with positive temperature coefficient (PTC) behavior is disclosed. The surface-mounted over-current protection device comprises a first metal foil, a second metal foil corresponding to the first metal foil, a PTC material layer stacked between the first metal foil and the second metal foil, a first metal electrode, a first metal conductor electrically connecting the first metal foil to the first metal electrode, a second metal electrode corresponding to the first metal electrode, a second metal conductor electrically connecting the second metal foil to the second metal electrode, and at least one insulated layer to electrically insulate the first metal electrode from the second metal electrode. The surface-mounted over-current protection device, at 25° C., indicates that a hold current thereof divided by the product of a covered area thereof and the number of the conductive composite module is at least 0.16 A/mm2.

    摘要翻译: 公开了具有正温度系数(PTC)行为的表面安装过流保护装置。 表面安装的过电流保护装置包括第一金属箔,对应于第一金属箔的第二金属箔,堆叠在第一金属箔和第二金属箔之间的PTC材料层,第一金属电极,第一金属 将第一金属箔电连接到第一金属电极的导体,对应于第一金属电极的第二金属电极,将第二金属箔电连接到第二金属电极的第二金属导体和至少一个绝缘层, 第一金属电极从第二金属电极。 表面安装的过流保护装置在25℃下表示其保持电流除以其覆盖区域的乘积和导电复合模块的数量至少为0.16A / mm2。

    Surface-mounted over-current protection device
    10.
    发明授权
    Surface-mounted over-current protection device 有权
    表面贴装过流保护装置

    公开(公告)号:US08044763B2

    公开(公告)日:2011-10-25

    申请号:US12700775

    申请日:2010-02-05

    IPC分类号: H01C7/10

    摘要: A surface-mounted over-current protection device with positive temperature coefficient (PTC) behavior is disclosed. The surface-mounted over-current protection device comprises a first metal foil, a second metal foil corresponding to the first metal foil, a PTC material layer stacked between the first metal foil and the second metal foil, a first metal electrode, a first metal conductor electrically connecting the first metal foil to the first metal electrode, a second metal electrode corresponding to the first metal electrode, a second metal conductor electrically connecting the second metal foil to the second metal electrode, and at least one insulated layer to electrically insulate the first metal electrode from the second metal electrode. The surface-mounted over-current protection device, at 25° C., indicates that a hold current thereof divided by the product of a covered area thereof and the number of the conductive composite module is at least 0.16 A/mm2.

    摘要翻译: 公开了具有正温度系数(PTC)行为的表面安装过流保护装置。 表面安装的过电流保护装置包括第一金属箔,对应于第一金属箔的第二金属箔,堆叠在第一金属箔和第二金属箔之间的PTC材料层,第一金属电极,第一金属 将第一金属箔电连接到第一金属电极的导体,对应于第一金属电极的第二金属电极,将第二金属箔电连接到第二金属电极的第二金属导体和至少一个绝缘层, 第一金属电极从第二金属电极。 表面安装的过流保护装置在25℃下表示其保持电流除以其覆盖区域的乘积和导电复合模块的数量至少为0.16A / mm2。