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    • 25. 发明授权
    • Resistance temperature detector (RTD) formed with a surface-mount-device
(SMD) structure
    • 电阻温度检测器(RTD)由表面贴装器件(SMD)结构形成
    • US5896081A
    • 1999-04-20
    • US872564
    • 1997-06-10
    • Jackel TzengRoger HsiehDuen-Jen Cheng
    • Jackel TzengRoger HsiehDuen-Jen Cheng
    • G01K7/18H01C7/10H01C17/00
    • H01C17/006G01K7/183H01C7/10Y10T29/49082Y10T29/49085
    • The present invention discloses a surface-mount resistance-temperature-detector (RTD) supported on a substrate. The surface-mount RTD includes a resistive strip disposed on a top surface of the substrate having a substantially linear temperature resistance coefficient (TCR) over a predetermined temperature range for measurement. The surface-mount RTD further includes two top terminals disposed on two opposite end on the top surface of the substrate wherein each of the top terminal connected to one end of the resistive strip. The surface-mount RTD further includes two bottom terminals disposed on a bottom surface of the substrate wherein each of the bottom terminals is disposed below one of the top terminals. The surface-mount RTD further includes two edge conductive plates each disposed on an edge surface of the substrate connected to one of the top terminals to a corresponding bottom terminal below. The surface-mount RTD further includes two surface mount solder electrodes wherein each solder electrode constituting a conductive layer overlying the top terminal, the edge conductive plate and the bottom terminal provided for performing a surface-mount soldering operation thereon. In a preferred embodiment, the surface-mount RTD further includes a passivation protective layer covering and protecting the resistive strip. In a preferred embodiment, the surface-mount RTD further includes two terminal-solder buffer pastes each disposed on top of the top surface terminal under the surface-mount solder electrode for buffering the top terminal and the solder electrode. In a preferred embodiment, the resistive strip is a platinum resistive strip having a temperature coefficient of resistance (TCR) ranging from 3000 to 3900 ppm/.degree.C.
    • 本发明公开了一种支撑在基板上的表面安装电阻温度检测器(RTD)。 表面贴装RTD包括设置在基板的顶表面上的电阻条,该电阻条在预定的温度范围内具有基本线性的耐温系数(TCR),用于测量。 表面安装RTD还包括两个顶部端子,其设置在基板的顶表面上的两个相对端上,其中每个顶部端子连接到电阻带的一端。 表面安装RTD还包括设置在基板的底表面上的两个底部端子,其中每个底部端子设置在顶部端子之一的下方。 表面安装RTD还包括两个边缘导电板,每个边缘导电板设置在连接到顶部端子中的一个的基板的边缘表面上,到下面的相应的底部端子。 表面贴装RTD还包括两个表面贴装焊料电极,其中每个焊料电极构成覆盖顶部端子的导电层,边缘导电板和底部端子,用于在其上执行表面贴装焊接操作。 在优选实施例中,表面安装RTD还包括覆盖并保护电阻带的钝化保护层。 在优选实施例中,表面贴装RTD还包括两个末端焊料缓冲浆料,每个末端焊料缓冲浆料均设置在表面安装焊料电极下面的顶表面端子的顶部,用于缓冲顶部端子和焊料电极。 在优选实施例中,电阻条是具有3000至3900ppm /℃范围内的电阻温度系数(TCR)的铂电阻条。
    • 29. 发明授权
    • Electronic device and manufacturing method thereof
    • 电子装置及其制造方法
    • US08922312B2
    • 2014-12-30
    • US13853083
    • 2013-03-29
    • Wen-Hsiung LiaoRoger HsiehHideo IkutaYueh-Lang Chen
    • Wen-Hsiung LiaoRoger HsiehHideo IkutaYueh-Lang Chen
    • H01F27/02
    • H01F3/08H01F41/0246H01F2017/048
    • An electronic device comprising a first magnetic powder, a second magnetic powder and a conducting wire buried in the mixture of the first magnetic powder and the second magnetic powder is provided. The conducting wire comprises an insulating encapsulant and a conducting metal encapsulated by the insulating encapsulant. The Vicker's Hardness of the first magnetic powder is greater than the Vicker's Hardness of the second magnetic powder, and the mean particle diameter of the first magnetic powder is larger than the mean particle diameter of the second magnetic powder. By means of the hardness difference of the first magnetic powder and the second magnetic powder, the mixture of the first magnetic powder and the second magnetic powder and the conducting wire buried therein are combined to form an integral magnetic body at the temperature lower than the melting point of the insulating encapsulant.
    • 提供包括第一磁粉,第二磁粉和埋在第一磁粉和第二磁粉混合物中的导线的电子装置。 导线包括由绝缘密封剂封装的绝缘密封剂和导电金属。 第一磁性粉末的维氏硬度大于第二磁性粉末的维氏硬度,第一磁性粉末的平均粒径大于第二磁性粉末的平均粒径。 通过第一磁性粉末和第二磁性粉末的硬度差,将第一磁性粉末和第二磁性粉末与埋入其中的导线的混合物组合在一起形成一个低于熔化温度的整体磁体 点绝缘密封剂。