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公开(公告)号:US20080057333A1
公开(公告)日:2008-03-06
申请号:US11803039
申请日:2007-05-11
申请人: Fu Hua Chu , David Shau Chew Wang , Jyh Ming Yu , En Tien Yang , Kuo Hsun Chen
发明人: Fu Hua Chu , David Shau Chew Wang , Jyh Ming Yu , En Tien Yang , Kuo Hsun Chen
IPC分类号: B21D39/00
CPC分类号: H05K1/0373 , H05K1/034 , H05K1/0393 , H05K3/384 , H05K2201/015 , H05K2201/0209 , H05K2201/09309 , H05K2201/10106 , H05K2203/0307 , Y10T428/12472
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%。
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公开(公告)号:US07300475B2
公开(公告)日:2007-11-27
申请号:US10938320
申请日:2004-09-10
申请人: David Shau-Chew Wang , Chih-Ming Yu , Yi-Nuo Chen
发明人: David Shau-Chew Wang , Chih-Ming Yu , Yi-Nuo Chen
CPC分类号: H01M2/34 , H01M2/345 , H01M2/347 , H01M2/348 , H01M2200/106 , Y10T29/49108
摘要: A method for manufacturing a circular electrode apparatus of a battery for resistance stability improvement comprises the following procedures. First, an electrode structure of a battery including an upper electrode plate, an over-current protection device and lower electrode plate is provided, wherein the over-current protection device is a lamination constituted of an upper metal foil, a current-sensitive layer and a lower metal foil. Secondly, the electrode structure is treated by high-speed impact, vibration, hot-cold impact, acid pickling, water pickling or sand blasting to become the electrode apparatus of the present invention whereby the mean value of the resistance of the electrode apparatuses is below 0.05 ohm, and the deviation of the resistances of the electrode apparatuses is below 0.005 ohm at 25° C.
摘要翻译: 制造电阻稳定性改善用电池的圆形电极装置的方法包括以下步骤。 首先,提供包括上电极板,过电流保护装置和下电极板的电池的电极结构,其中过电流保护装置是由上金属箔,电流敏感层和 下金属箔。 其次,通过高速冲击,振动,热冷冲击,酸洗,水洗或喷砂处理电极结构成为本发明的电极装置,由此电极装置的电阻的平均值低于 0.05欧姆,电极装置的电阻在25℃下的偏差低于0.005欧姆。
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公开(公告)号:US07286038B1
公开(公告)日:2007-10-23
申请号:US11654842
申请日:2007-01-18
申请人: David Shau Chew Wang , Jyh Ming Yu
发明人: David Shau Chew Wang , Jyh Ming Yu
摘要: An over-current protection device comprises two metal foils and a positive temperature coefficient (PTC) material layer laminated between the two metal foils. The PTC material layer includes: (1) a polymer substrate, being 35-60% by volume of the PTC material layer and including a fluorine-containing crystalline polymer with a melting point higher than 150° C., e.g., polyvinylidine fluoride (PVDF); and (2) a conductive ceramic filler (e.g., titanium carbide) distributed in the polymer substrate. The conductive ceramic filler is 40-65% by volume of the PTC material layer, and has a volume resistivity less than 500 μΩ-cm. The volume resistivity of the PTC material layer is less than 0.1 Ω-cm, and the ratio of the hold current of the PTC material layer at 25° C. to the area of the PTC material layer is between 0.05 and 0.2 A/mm2.
摘要翻译: 过电流保护装置包括两个金属箔和层压在两个金属箔之间的正温度系数(PTC)材料层。 PTC材料层包括:(1)聚合物基材,其为PTC材料层的35-60体积%,并且包含熔点高于150℃的含氟结晶聚合物,例如聚偏二氟乙烯(PVDF) ); 和(2)分布在聚合物基材中的导电陶瓷填料(例如碳化钛)。 导电陶瓷填料为PTC材料层的体积电阻率为40-65%,体积电阻率小于500μΩ·cm。 PTC材料层的体积电阻率小于0.1Ω·cm,并且PTC材料层在25℃下的保持电流与PTC材料层的面积之比在0.05和0.2A / SUP> 2 SUP>。
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公开(公告)号:US06898063B2
公开(公告)日:2005-05-24
申请号:US10614849
申请日:2003-07-08
CPC分类号: H01C7/02 , H01C1/1406
摘要: The over-current protection device of the present invention uses the unbalanced properties of the thermal expansion coefficients between the outer and inner sides for an upper metallic conductive sheet and a lower metallic conductive sheet to generate a torque to deform outwardly. The torque is used to pull a current-sensing element and present with at least a cracking face, so as to introduce an electrically open effect similar to a fuse. Thus, the present invention can achieve the object for preventing the danger of circuit system by the short circuit during the burning of over-current protection device.
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公开(公告)号:US08842406B2
公开(公告)日:2014-09-23
申请号:US13345098
申请日:2012-01-06
IPC分类号: H02H5/04
CPC分类号: H01C1/01 , H01C1/14 , H01C1/1406 , H01C7/02 , H01C7/13
摘要: An over-current protection device includes a resistive device, an insulation layer, an electrode layer and at least one electrically conductive connecting member. The resistive device includes a first electrode foil, a second electrode foil and a positive temperature coefficient (PTC) material layer laminated between the electrode foils. The insulation layer is formed on the surface of the first electrode foil, and the electrode layer is formed on the surface of the insulation layer. The conductive connecting member penetrates the electrode layer, the insulation layer and the first electrode foil for electrically connecting the electrode layer and the first electrode foil. The conductive connecting member is insulated from the second electrode foil. One of the first and second electrode foils is configured to electrically connect to a protective circuit module (PCM), and the other one is configured to electrically connect to an electrode terminal of a battery to be protected.
摘要翻译: 过电流保护装置包括电阻装置,绝缘层,电极层和至少一个导电连接构件。 电阻器件包括层压在电极箔之间的第一电极箔,第二电极箔和正温度系数(PTC)材料层。 绝缘层形成在第一电极箔的表面上,并且电极层形成在绝缘层的表面上。 导电连接构件穿透电极层,绝缘层和用于电连接电极层和第一电极箔的第一电极箔。 导电连接构件与第二电极箔绝缘。 第一和第二电极箔中的一个被配置为电连接到保护电路模块(PCM),另一个被配置为电连接到待保护的电池的电极端子。
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公开(公告)号:US08536973B2
公开(公告)日:2013-09-17
申请号:US13531979
申请日:2012-06-25
申请人: Kuo Chang Lo , Yao Te Chang , Ya Fang Liang , Yi An Sha , David Shau Chew Wang
发明人: Kuo Chang Lo , Yao Te Chang , Ya Fang Liang , Yi An Sha , David Shau Chew Wang
IPC分类号: H01C7/10
CPC分类号: H01C7/13 , H01C7/027 , H01C17/0652 , H01C17/06586
摘要: An over-current protection device includes two metal foils and a PTC material layer. The PTC material layer is laminated between the two metal foils and has a resistivity less than 0.4 Ω-cm. The PTC material layer includes crystalline polymer and electrically conductive ceramic filler dispersed in the crystalline polymer. The conductive ceramic filler is of HCP structure and includes 70-95% by weight of the PTC material layer. The trip jump value of the over-current protection device after 300 times trip is less than or equal to 25. The resistance repeatability of the device can be effectively improved by adding the conductive ceramic filler.
摘要翻译: 过电流保护装置包括两个金属箔和PTC材料层。 PTC材料层层压在两个金属箔之间并具有小于0.4Ω·cm的电阻率。 PTC材料层包括分散在结晶聚合物中的结晶聚合物和导电陶瓷填料。 导电陶瓷填料为HCP结构,包括70-95%(重量)的PTC材料层。 300次跳闸后过电流保护装置跳闸值小于或等于25.通过添加导电陶瓷填料可以有效提高器件的电阻重复性。
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公开(公告)号:US08446245B2
公开(公告)日:2013-05-21
申请号:US13235663
申请日:2011-09-19
申请人: David Shau Chew Wang , Yi An Sha , Kuo Chang Lo , Tai Kuang Hei
发明人: David Shau Chew Wang , Yi An Sha , Kuo Chang Lo , Tai Kuang Hei
IPC分类号: H01C7/10
CPC分类号: H01C7/027
摘要: An over-current protection device includes two metal foils and a PTC material layer laminated therebetween. The PTC material layer has a volume resistivity between 0.07 Ω-cm and 0.32 Ω-cm. The PTC material layer includes a crystalline polymer, a conductive ceramic carbide filler of a particle size between 0.1 μm and 50 μm and a volume resistivity less than 0.1 Ω-cm, and a carbon black filler. The weight ratio of the carbon black filler to the conductive ceramic carbide filler is between 1:90 and 1:4. The conductive ceramic carbide filler and the carbon black filler are dispersed in the crystalline polymer. The resistance ratio R100/Ri is between 3 and 20.
摘要翻译: 过电流保护装置包括两个金属箔和层叠在其间的PTC材料层。 PTC材料层的体积电阻率在0.07欧姆 - 厘米至0.32欧姆 - 厘米。 PTC材料层包括结晶聚合物,粒径在0.1μm和50μm之间的导电陶瓷碳化物填料和体积电阻率小于0.1Ω-cm,以及炭黑填料。 碳黑填料与导电陶瓷碳化物填料的重量比为1:90至1:4。 导电陶瓷碳化物填料和炭黑填料分散在结晶聚合物中。 电阻比R100 / Ri在3和20之间。
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公开(公告)号:US08421584B2
公开(公告)日:2013-04-16
申请号:US13351700
申请日:2012-01-17
申请人: Tong Cheng Tsai , Yi An Sha , David Shau Chew Wang , Fu Hua Chu
发明人: Tong Cheng Tsai , Yi An Sha , David Shau Chew Wang , Fu Hua Chu
IPC分类号: H01C7/10
CPC分类号: H01C7/13 , Y10T29/49082 , Y10T29/49085
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。
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公开(公告)号:US08198642B2
公开(公告)日:2012-06-12
申请号:US11656224
申请日:2007-01-19
申请人: David Shau Chew Wang , Jyh Ming Yu
发明人: David Shau Chew Wang , Jyh Ming Yu
IPC分类号: H01L33/00
CPC分类号: H05B33/0872
摘要: A light emitting diode (LED) apparatus with temperature control and current regulation functions is provided. The LED apparatus includes at least one LED die and at least one temperature control and current regulation (TCCR) device. The TCCR device is electrically connected between the LED die and a power source, and is placed within an effective temperature sensing distance of the LED die, so as to sense temperature changes of the LED die. The resistance of the TCCR device is proportional to the temperature in a range of 25° C. to 85° C., i.e., the resistance increases with temperature. Moreover, the resistance difference of the TCCR device between 50° C. and 80° C. is greater than or equal to 100 mΩ.
摘要翻译: 提供了具有温度控制和电流调节功能的发光二极管(LED)装置。 LED装置包括至少一个LED管芯和至少一个温度控制和电流调节(TCCR)器件。 TCCR器件电连接在LED管芯和电源之间,并被放置在LED管芯的有效温度感测距离内,以便感测LED管芯的温度变化。 TCCR器件的电阻与25℃至85℃范围内的温度成比例,即电阻随温度升高。 此外,TCCR器件在50℃和80℃之间的电阻差大于或等于100mΩ。
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公开(公告)号:US20120075762A1
公开(公告)日:2012-03-29
申请号:US13236256
申请日:2011-09-19
CPC分类号: H02H9/026 , H01L27/0288
摘要: An over-current protection device includes a first electrode layer, a second electrode layer, and a resistance material disposed between the first and second electrode layers. The first electrode layer includes a first groove pattern formed on and through the first electrode layer. The first groove pattern is configured to separate the first electrode layer into a plurality of connected regions. The second electrode layer includes a second groove pattern formed on and through the second electrode layer. The second groove pattern is configured to separate the second electrode layer into a plurality of connected regions. The first and second groove patterns are further configured to be formed in an interlaced manner that when the first and second electrode layers are overlapped, the first and second groove patterns form a plurality of independent regions, which divide the resistance material into a plurality of electrically isolated and parallel connected units.
摘要翻译: 过电流保护装置包括第一电极层,第二电极层和设置在第一和第二电极层之间的电阻材料。 第一电极层包括形成在第一电极层上并穿过第一电极层的第一凹槽图案。 第一凹槽图案被配置为将第一电极层分离成多个连接区域。 第二电极层包括形成在第二电极层上并穿过第二电极层的第二沟槽图案。 第二凹槽图案被配置为将第二电极层分离成多个连接区域。 第一和第二凹槽图形还被构造成以隔行方式形成,当第一和第二电极层重叠时,第一和第二凹槽图案形成多个独立区域,其将电阻材料分成多个电 隔离并联连接单元。
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