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    • 61. 发明申请
    • Discrete circuit component and process of fabrication
    • 分立电路元件及制造工艺
    • US20020162686A1
    • 2002-11-07
    • US09950856
    • 2001-09-10
    • Comchip Technology Co., Ltd.
    • Wen Long Chen
    • H05K001/11
    • H01C7/003H01C7/18H01C17/006H01C17/283H01G4/06H01L2224/05552H01L2924/12032H01L2924/00012H01L2924/00
    • A discrete circuit component comprises a circuit component die having a first electrode and a second electrode. A surface of a first substrate has an electrically-conductive trace electrically connected to the first electrode of the circuit component die, and a surface of a second substrate also has an electrically-conductive trace electrically connected to the second electrode of the circuit component die. A first terminal electrode is electrically connected to the conductive trace of the first substrate, surface of the first terminal electrode is orthogonal to the longitudinal axis of the conductive trace of the first substrate. A second terminal electrode is electrically connected to the conductive trace of the second substrate, and surface of the second terminal electrode is orthogonal to the longitudinal axis of the conductive trace of the second substrate. The first and second substrates are parallel to each other and encloses the circuit component die. The conductive trace of the first substrate leads away from the circuit component die in the direction opposite to the direction in which the conductive trace of the second substrate leads away from the circuit component die. The space between the first and second substrates not being occupied by the circuit component die is filled with a material the same as the material for the first and second substrates. The filled material encloses the circuit component die completely.
    • 分立电路部件包括具有第一电极和第二电极的电路部件芯片。 第一基板的表面具有电连接到电路元件芯片的第一电极的导电迹线,并且第二基板的表面还具有电连接到电路元件芯片的第二电极的导电迹线。 第一端子电极电连接到第一衬底的导电迹线,第一端子电极的表面垂直于第一衬底的导电迹线的纵向轴线。 第二端子电极电连接到第二衬底的导电迹线,并且第二端子电极的表面与第二衬底的导电迹线的纵向轴线正交。 第一和第二基板彼此平行并包围电路元件模具。 第一衬底的导电迹线在与第二衬底的导电迹线远离电路元件裸片的方向相反的方向上远离电路元件裸片。 未被电路元件模具占据的第一和第二基板之间的空间填充有与第一和第二基板的材料相同的材料。 填充材料完全封闭电路元件模具。
    • 64. 发明申请
    • Chip resistor
    • 贴片电阻
    • US20020003466A1
    • 2002-01-10
    • US09900151
    • 2001-07-09
    • ROHM CO., LTD.
    • Masaki Yoneda
    • H01C001/012
    • H01C7/003H01C7/18
    • There are provided a pair of upper surface electrodes 21, 31 at both end sections, which are opposed to each other, of the insulating substrate 1 made of alumina. There is provided a resistor body 4 on the substrate 1 so that the upper surface electrode 21 and both the end sections can be electrically connected with each other. On the pair of upper surface electrodes 21, 31, there are provided a pair of upper surface auxiliary electrodes 24, 34 made of material, the heat-resistance with respect to solder of which is superior to that of the upper surface electrodes 21, 31, so that the exposed sections of the upper surface electrodes 21, 31 can be completely covered with the pair of upper surface auxiliary electrodes 24, 34, wherein the pair of upper surface auxiliary electrodes 24, 34 are not directly connected with the resistor body 4. On the surface of the resistor body 4, there is provided a protective film 5 (a first protective film 51 to a third protective film 53).
    • 在由氧化铝制成的绝缘基板1的两端部彼此相对设置有一对上表面电极21,31。 在基板1上设置有电阻体4,使得上表面电极21和两端部电连接。 在一对上表面电极21,31上设置有一对由材料制成的上表面辅助电极24,34,相对于焊料的耐热性优于上表面电极21,31的耐热性 使得上表面电极21,31的暴露部分可以被一对上表面辅助电极24,34完全覆盖,其中一对上表面辅助电极24,34不直接与电阻体4连接 在电阻体4的表面设有保护膜5(第一保护膜51〜第三保护膜53)。
    • 68. 发明授权
    • Chip resistor
    • 贴片电阻
    • US5907274A
    • 1999-05-25
    • US923703
    • 1997-09-04
    • Suzushi KimuraKoji ShimoyamaNaotugu YonedaKeiichi Nakao
    • Suzushi KimuraKoji ShimoyamaNaotugu YonedaKeiichi Nakao
    • H01C1/142H01C7/00H01C17/00H01C17/28H01C1/012
    • H01C1/142H01C17/006H01C17/281H01C7/003Y10T29/49082Y10T29/49099Y10T29/49101
    • The invention relates to a chip resistor which is used as a circuit part for various electric apparatuses. The object of the invention is to realize a low resistance and a low TCR, and also high accuracy and high reliability. In order to achieve the object, a chip resistor is configured so as to have: a substrate; a resistance layer which is formed on at least one face of the substrate and which is made of a copper nickel alloy; upper-face electrode layers which make surface contact with the upper faces of both the end portions of the resistance layer; and end-face electrodes which are formed so as to cover the upper-face electrode layers. Since the bonding between the resistance layer and the upper-face electrode layers is conducted by metal-to-metal bonding, particularly, impurities which may affect the properties do not exist in the interface. As a result, it is possible to realize a chip resistor which is excellent in heat resistance, and which has a low resistance and a low TCR.
    • 本发明涉及一种片状电阻器,其用作各种电气设备的电路部分。 本发明的目的是实现低电阻和低TCR,并且还具有高精度和高可靠性。 为了实现该目的,芯片电阻器被配置为具有:基板; 电阻层,其形成在所述基板的至少一个面上,并且由铜镍合金制成; 与电阻层的两端部的上表面接触的上表面电极层; 以及形成为覆盖上表面电极层的端面电极。 由于电阻层和上表面电极层之间的结合是通过金属 - 金属键合进行的,特别是界面中不存在可能影响特性的杂质。 结果,可以实现耐热性优异并且具有低电阻和低TCR的片式电阻器。
    • 70. 发明授权
    • Low resistance paints for surge applications using nickel-chromium alloy
blended with additional alloys
    • 使用镍铬合金与额外合金混合的浪涌应用的低电阻涂料
    • US5734314A
    • 1998-03-31
    • US689531
    • 1996-08-08
    • Charles C. Y. Kuo
    • Charles C. Y. Kuo
    • H01C7/00H01C17/065H01C1/012H01C7/10
    • H01C7/003H01C17/06526
    • A surge resistor has a thick film resistance element containing alloyed nickel-chromium mixed with alloyed copper-nickel and less than twenty percent by weight glass. The surge resistor overcomes the limitations of the prior art by offering the unexpected advantage of improved power surge handling capacity. A thick film composition used to form the surge resistor, which also includes screening agent, is fired at temperatures generally below 1,000.degree. C., yielding a highly stable and well adhered electrical resistor. In addition to improved surge capability, the composition offers lower cost and less migration than the precious metal alternatives that the composition replaces. Additional inventive surge resistors include copper-manganese and nickel-chromium in combination with less than twenty percent by weight glass.
    • 浪涌电阻器具有厚膜电阻元件,其包含与合金铜镍和少于二十重量百分比的玻璃混合的合金镍铬。 浪涌电阻器通过提供改进的功率浪涌处理能力的意想不到的优点来克服现有技术的局限性。 用于形成浪涌电阻器的厚膜组合物,其也包括筛选剂,在通常低于1000℃的温度下焙烧,产生高度稳定和良好粘附的电阻器。 除了提高浪涌能力外,组合物还具有较低的成本和较少的组成替代品的贵金属替代品的迁移。 额外的本发明的浪涌电阻器包括铜 - 锰和镍 - 铬以及少于百分之二十的重量百分比的玻璃。