公开(公告)号：US07382224B2

公开(公告)日：2008-06-03

申请号：US11454870

申请日：2006-06-19

申请人： Shau Chew Wang ,  Fu Hua Chu ,  Kuo Chang Lo

发明人： Shau Chew Wang ,  Fu Hua Chu ,  Kuo Chang Lo

IPC分类号： H01C7/10

CPC分类号： H01C7/027

摘要： An over-current protection device comprises two metal foils and a positive temperature coefficient (PTC) material layer. The PTC material layer is sandwiched between the two metal foils and comprises plural crystalline polymers with at least one polymer melting point below 115° C., and a non-oxide electrically conductive ceramic powder. The non-oxide electrically conductive ceramic powder exhibits a certain particle size distribution. The PTC material layer has a resistivity below 0.1 Ω-cm. The initial resistance of the device is below 20 mΩ, and the area of the PTC material layer is below 30 mm2. The over-current protection device exhibits a surface temperature below 100° C. under the trip state of over-current protection.

摘要翻译： 过电流保护装置包括两个金属箔和正温度系数（PTC）材料层。 PTC材料层夹在两个金属箔之间，并且包含多个具有至少一种聚合物熔点低于115℃的结晶聚合物和非氧化物导电陶瓷粉末。 非氧化物导电陶瓷粉末表现出一定的粒度分布。 PTC材料层的电阻率低于0.1Ω·cm。 器件的初始电阻低于20mΩ，PTC材料层的面积低于30mm 2。 在过流保护的跳闸状态下，过流保护装置的表面温度低于100℃。

公开(公告)号：USRE44224E1

公开(公告)日：2013-05-21

申请号：US13353161

申请日：2012-01-18

申请人： Shau Chew Wang ,  Fu Hua Chu

发明人： Shau Chew Wang ,  Fu Hua Chu

IPC分类号： H01C7/10

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。

公开(公告)号：US08169294B2

公开(公告)日：2012-05-01

申请号：US12662667

申请日：2010-04-28

申请人： Yi An Sha ,  Kuo Chang Lo ,  Fu Hua Chu

发明人： Yi An Sha ,  Kuo Chang Lo ,  Fu Hua Chu

IPC分类号： H01C7/10

CPC分类号： H01C7/027 ,  H01C17/06553 ,  H01C17/06586

摘要： An over-current protection device comprises two metal foils and a positive temperature coefficient (PTC) material layer. The PTC material layer is sandwiched between the two metal foils and has a volume resistivity below 0.1 Ω-cm. The PTC material layer includes (i) plural crystalline polymers having at least one crystalline polymer of a melting point less than 115° C.; (ii) an electrically conductive nickel filler having a volume resistivity less than 500 μΩ-cm; and (iii) a non-conductive metal nitride filler. The electrically conductive nickel filler and non-conductive metal nitride filler are dispersed in the crystalline polymer.

摘要翻译： 过电流保护装置包括两个金属箔和正温度系数（PTC）材料层。 PTC材料层夹在两个金属箔之间，体积电阻率低于0.1＆OHgr; -cm。 PTC材料层包括（i）具有至少一种熔点低于115℃的结晶聚合物的多种结晶聚合物; （ii）体积电阻率小于500μΩ-OHgr的导电镍填料; 和（iii）非导电金属氮化物填料。 导电镍填料和非导电金属氮化物填料分散在结晶聚合物中。

公开(公告)号：US20110156859A1

公开(公告)日：2011-06-30

申请号：US12662667

申请日：2010-04-28

申请人： Yi An Sha ,  Kuo Chang Lo ,  Fu Hua Chu

发明人： Yi An Sha ,  Kuo Chang Lo ,  Fu Hua Chu

IPC分类号： H01C7/02 ,  H01C7/13

CPC分类号： H01C7/027 ,  H01C17/06553 ,  H01C17/06586

摘要： An over-current protection device comprises two metal foils and a positive temperature coefficient (PTC) material layer. The PTC material layer is sandwiched between the two metal foils and has a volume resistivity below 0.1 Ω-cm. The PTC material layer includes (i) plural crystalline polymers having at least one crystalline polymer of a melting point less than 115° C.; (ii) an electrically conductive nickel filler having a volume resistivity less than 500 μΩ-cm; and (iii) a non-conductive metal nitride filler. The electrically conductive nickel filler and non-conductive metal nitride filler are dispersed in the crystalline polymer.

摘要翻译： 过电流保护装置包括两个金属箔和正温度系数（PTC）材料层。 PTC材料层夹在两个金属箔之间，体积电阻率低于0.1＆OHgr; -cm。 PTC材料层包括（i）具有至少一种熔点低于115℃的结晶聚合物的多种结晶聚合物; （ii）体积电阻率小于500μΩ-OHgr的导电镍填料; 和（iii）非导电金属氮化物填料。 导电镍填料和非导电金属氮化物填料分散在结晶聚合物中。