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    • 1. 发明授权
    • Resistor device and method of manufacturing the same
    • 电阻器件及其制造方法
    • US08203422B2
    • 2012-06-19
    • US12272137
    • 2008-11-17
    • Takashi NaitoAkihiko Nakamura
    • Takashi NaitoAkihiko Nakamura
    • H01C1/012
    • H01C17/06533H01C1/012H01C17/22Y10T29/49099
    • To provide a glazed metal film resistor device excellent in TCR characteristics with using an economical base body containing glass by reducing affection to TCR characteristics caused by glass contained in the base body. The resistor device comprises base body 11 containing glass, first protective film 12, which does not contain glass, formed on a surface of base body 11, and thick film resistor 13 formed on first protective film 12. By forming first protective film 12 on a surface of base body 11 containing glass and insulating base body 11 containing glass against thick film resistor 13 of ruthenium oxide as primary component, affection of glass contained in base body 11 to thick film resistor 13 of ruthenium oxide can be suppressed, and change of TCR value from original value of thick film resistor itself can be suppressed.
    • 为了提供具有优异的TCR特性的玻璃金属膜电阻器装置,通过减少对包含在基体中的玻璃引起的TCR特性的影响,使用含有玻璃的经济基体。 电阻器件包括基体11,形成在基体11的表面上的不含玻璃的第一保护膜12,以及形成在第一保护膜12上的厚膜电阻13。在第一保护膜12上形成第一保护膜12 含有玻璃的基体11的表面和含有玻璃的绝缘基体11对氧化钌作为主要成分的厚膜电阻器13,可以抑制基体11中所含的玻璃对氧化钌的厚膜电阻13的影响,并且可以抑制TCR的变化 可以抑制来自厚膜电阻器本身的原始值的值。