Electrical device
    1.
    发明授权
    Electrical device 失效
    电气设备

    公开(公告)号:US06922131B2

    公开(公告)日:2005-07-26

    申请号:US10716315

    申请日:2003-11-17

    摘要: An electrical device suitable for use in digital telecommunications applications is provided. The device includes a laminar PTC element composed of a conductive polymer composition sandwiched between two metal foil electrodes. A first insulating layer which is composed of an electrically insulating flexible material conforms to at least part of the perimeter of the PTC element. The device has low resistance, low capacitance, reduced size, and stable resistance, and can meet power cross testing requirements. In addition, assemblies of electrical devices are provided.

    摘要翻译: 提供适用于数字电信应用的电气设备。 该装置包括由夹在两个金属箔电极之间的导电聚合物组合物构成的层状PTC元件。 由电绝缘的柔性材料组成的第一绝缘层符合PTC元件的至少一部分周长。 该器件电阻低,电容小,尺寸小,电阻稳定,可满足电力交叉测试要求。 此外,还提供了电气装置的组件。

    Electrical devices containing conductive polymers
    2.
    发明授权
    Electrical devices containing conductive polymers 失效
    含有导电聚合物的电气装置

    公开(公告)号:US06987440B2

    公开(公告)日:2006-01-17

    申请号:US10618534

    申请日:2003-07-11

    IPC分类号: H01D7/10

    CPC分类号: H01C7/027 H01C1/1406

    摘要: An electrical device in which an element composed of a conductive polymer composition is positioned in contact with the first surface of a metal electrode, the first surface having a center line average roughness Ra and a reflection density RD, the product Ra times RD being 0.5 to 1.6 μm. The conductive polymer composition preferably exhibits PTC behavior. In a second embodiment an electrical device has an element composed of a conductive polymer composition in contact with the first surface of a metal electrode produced by providing a base metal foil having an Ra of at most 0.45 μm and depositing material onto the base metal foil to form a first surface having a product of Ra times RD of at least 0.14 μm. Other embodiments include electrical devices with metal electrodes made by pulse plating processes, and metal electrodes made by electrodeposition under diffusion-limited conditions. The electrical devices may be circuit protection devices and have improved electrical and physical properties.

    摘要翻译: 一种电气装置,其中由导电聚合物组合物构成的元件与金属电极的第一表面接触,第一表面具有中心线平均粗糙度R a a和反射密度RD, 产品R> a>次RD为0.5-1.6μm。 导电聚合物组合物优选表现出PTC行为。 在第二实施例中,电气装置具有由导电聚合物组合物组成的元件,该导电聚合物组合物与金属电极的第一表面接触,所述第一表面通过提供具有至多0.45μm的R a的母体金属箔和 将材料沉积到基底金属箔上以形成具有至少0.14μm的Ra倍RD的乘积的第一表面。 其他实施例包括具有通过脉冲电镀工艺制成的金属电极的电气装置,以及通过在扩散限制条件下电沉积制成的金属电极。 电气设备可以是电路保护装置,并具有改善的电气和物理特性。

    Surface Mount Multi-Layer Electrical Circuit Protection Device with Active Element Between PPTC Layers
    4.
    发明申请
    Surface Mount Multi-Layer Electrical Circuit Protection Device with Active Element Between PPTC Layers 有权
    表面贴装多层电路保护装置,在PPTC层之间具有有源元件

    公开(公告)号:US20120227229A1

    公开(公告)日:2012-09-13

    申请号:US13477538

    申请日:2012-05-22

    IPC分类号: H01C17/28 H01L21/02 H01C17/00

    摘要: A surface-mountable electrical circuit protection device includes layers defining a first PPTC resistive element, a second PPTC resistive element, and at least one heat-generating electrical component such as a planar zener diode chip positioned between, and in thermal contact with, the first and second PPTC elements, such that an electrical current above a threshold level passing through the component causes the component to heat, the heat being transferred to the PPTC resistive elements and tripping at least one, and preferably both of the first or second PPTC elements to a high resistance state. A series of edge-formed terminal electrodes enable surface-mount connection of the first and second PPTC elements and the electrical component to an electrical circuit substrate, such as a printed circuit board. A method for making the device is also disclosed.

    摘要翻译: 一种可表面安装的电路保护装置包括限定第一PPTC电阻元件,第二PPTC电阻元件的层,以及至少一个发热电气部件,例如平面齐纳二极管芯片,其定位在第一和第二PPTC电阻元件之间并与第一PPTC电阻元件热接触 和第二PPTC元件,使得高于通过部件的阈值电平的电流导致部件加热,热被传递到PPTC电阻元件并且将至少一个,优选两个第一或第二PPTC元件跳到 高电阻状态。 一系列边缘形成的端子电极使得第一和第二PPTC元件和电气元件的表面安装连接到诸如印刷电路板的电路基板。 还公开了一种制造该装置的方法。

    Surface mount multi-layer electrical circuit protection device with active element between PPTC layers
    5.
    发明授权
    Surface mount multi-layer electrical circuit protection device with active element between PPTC layers 有权
    表面贴装多层电路保护装置,在PPTC层之间具有有源元件

    公开(公告)号:US09029741B2

    公开(公告)日:2015-05-12

    申请号:US13477538

    申请日:2012-05-22

    摘要: A surface-mountable electrical circuit protection device includes layers defining a first PPTC resistive element, a second PPTC resistive element, and at least one heat-generating electrical component such as a planar zener diode chip positioned between, and in thermal contact with, the first and second PPTC elements, such that an electrical current above a threshold level passing through the component causes the component to heat, the heat being transferred to the PPTC resistive elements and tripping at least one, and preferably both of the first or second PPTC elements to a high resistance state. A series of edge-formed terminal electrodes enable surface-mount connection of the first and second PPTC elements and the electrical component to an electrical circuit substrate, such as a printed circuit board. A method for making the device is also disclosed.

    摘要翻译: 一种可表面安装的电路保护装置包括限定第一PPTC电阻元件,第二PPTC电阻元件的层,以及至少一个发热电气部件,例如平面齐纳二极管芯片,其定位在第一和第二PPTC电阻元件之间并与第一PPTC电阻元件热接触 和第二PPTC元件,使得高于通过部件的阈值电平的电流导致部件加热,热被传递到PPTC电阻元件并且将至少一个,优选两个第一或第二PPTC元件跳到 高电阻状态。 一系列边缘形成的端子电极使得第一和第二PPTC元件和电气元件的表面安装连接到诸如印刷电路板的电路基板。 还公开了一种制造该装置的方法。

    Electrical devices containing conductive polymers
    6.
    发明授权
    Electrical devices containing conductive polymers 失效
    含有导电聚合物的电气装置

    公开(公告)号:US06531950B1

    公开(公告)日:2003-03-11

    申请号:US09606821

    申请日:2000-06-28

    IPC分类号: H01C713

    摘要: An electrical device in which an element composed of a conductive polymer composition is positioned in contact with the first surface of a metal electrode, the first surface having a center line average roughness Ra and a reflection density RD, the product Ra times RD being at least 0.06 &mgr;m, with an adhesion promoting layer positioned between the first surface of the metal electrode and the polymer element. The conductive polymer composition preferably exhibits PTC behavior. In other aspects, electrical devices using more than one adhesion promoting layer, and electrical devices using an adhesion promoting layer in combination with a crosslinking agent are provided. Other embodiments include electrical devices with metal electrodes made by pulse plating processes, and metal electrodes made by electrodeposition under diffusion-limited conditions. The electrical devices may be circuit protection devices and have improved electrical and physical properties.

    摘要翻译: 一种电气装置,其中由导电聚合物组合物构成的元件与金属电极的第一表面定位,第一表面具有中心线平均粗糙度Ra和反射密度RD,产品Ra时间RD至少为 0.06μm,具有位于金属电极的第一表面和聚合物元件之间的粘附促进层。 导电聚合物组合物优选表现出PTC行为。 在其它方面,提供了使用多于一种粘合促进层的电气装置,以及使用与交联剂组合的粘合促进层的电气装置。 其他实施例包括具有通过脉冲电镀工艺制成的金属电极的电气装置,以及通过在扩散限制条件下电沉积制成的金属电极。 电气设备可以是电路保护装置,并具有改善的电气和物理特性。

    Surface mount multi-layer electrical circuit protection device with active element between PPTC layers
    7.
    发明授权
    Surface mount multi-layer electrical circuit protection device with active element between PPTC layers 有权
    表面贴装多层电路保护装置,在PPTC层之间具有有源元件

    公开(公告)号:US08183504B2

    公开(公告)日:2012-05-22

    申请号:US11392974

    申请日:2006-03-27

    IPC分类号: H05B1/02

    摘要: A surface-mountable electrical circuit protection device includes layers defining a first PPTC resistive element, a second PPTC resistive element, and at least one heat-generating electrical component such as a planar zener diode chip positioned between, and in thermal contact with, the first and second PPTC elements, such that an electrical current above a threshold level passing through the component causes the component to heat, the heat being transferred to the PPTC resistive elements and tripping at least one, and preferably both of the first or second PPTC elements to a high resistance state. A series of edge-formed terminal electrodes enable surface-mount connection of the first and second PPTC elements and the electrical component to an electrical circuit substrate, such as a printed circuit board. A method for making the device is also disclosed.

    摘要翻译: 一种可表面安装的电路保护装置包括限定第一PPTC电阻元件,第二PPTC电阻元件的层,以及至少一个发热电气部件,例如平面齐纳二极管芯片,其定位在第一和第二PPTC电阻元件之间并与第一PPTC电阻元件热接触 和第二PPTC元件,使得高于通过部件的阈值电平的电流导致部件加热,热被传递到PPTC电阻元件并且将至少一个,优选两个第一或第二PPTC元件跳到 高电阻状态。 一系列边缘形成的端子电极使得第一和第二PPTC元件和电气元件的表面安装连接到诸如印刷电路板的电路基板。 还公开了一种制造该装置的方法。

    Electrical devices containing conductive polymers
    8.
    发明授权
    Electrical devices containing conductive polymers 失效
    含有导电聚合物的电气装置

    公开(公告)号:US06593843B1

    公开(公告)日:2003-07-15

    申请号:US09606825

    申请日:2000-06-28

    IPC分类号: H01C710

    CPC分类号: H01C7/027 H01C1/1406

    摘要: An electrical device in which an element composed of a conductive polymer composition is positioned in contact with the first surface of a metal electrode, the first surface having a center line average roughness Ra and a reflection density RD, the product Ra times RD being 0.5 to 1.6 &mgr;m. The conductive polymer composition preferably exhibits PTC behavior. In a second embodiment an electrical device has an element composed of a conductive polymer composition in contact with the first surface of a metal electrode produced by providing a base metal foil having an Ra of at most 0.45 &mgr;m and depositing material onto the base metal foil to form a first surface having a product of Ra times RD of at least 0.14 &mgr;m. Other embodiments include electrical devices with metal electrodes made by pulse plating processes, and metal electrodes made by electrodeposition under diffusion-limited conditions. The electrical devices may be circuit protection devices and have improved electrical and physical properties.

    摘要翻译: 一种电气装置,其中由导电聚合物组合物构成的元件与金属电极的第一表面接触,第一表面具有中心线平均粗糙度Ra和反射密度RD,乘积Ra时间RD为0.5至 1.6妈妈 导电聚合物组合物优选表现出PTC行为。 在第二实施例中,电气装置具有由与金属电极的第一表面接触的导电聚合物组合物构成的元件,所述导电聚合物组合物通过提供具有至多0.45μm的Ra的基底金属箔并将材料沉积到基底金属箔上而制成, 形成具有至少0.14μm的Ra倍RD的乘积的第一表面。 其他实施例包括具有通过脉冲电镀工艺制成的金属电极的电气装置,以及通过在扩散限制条件下电沉积制成的金属电极。 电气设备可以是电路保护装置,并具有改善的电气和物理特性。