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    • 4. 发明授权
    • Load cell
    • 称重传感器
    • US5154247A
    • 1992-10-13
    • US605326
    • 1990-10-30
    • Yoshinobu NishimuraHiroshi TanakaNaoji Nakamura
    • Yoshinobu NishimuraHiroshi TanakaNaoji Nakamura
    • G01G3/14G01L1/22
    • G01L1/2243G01G3/1412G01L1/2287
    • Disclosed herein is a load cell provided with a high-precision load-sensing member of ceramic on which are formed patterns of thin-film resistance for strain gages which are not subject to breakage and variation of resistance. The load cell comprises a bending beam of ceramic material and strain gages of thin-film resistance formed thereon, with the bending beam having a surface coated with amorphous glass on which are formed said strain gages of thin-film resistance. The strain gages are formed from an alloy composed of iron and one or more selected from chromium, cobalt, tungsten, molybdenum, niobium, and tantalum, and a small amount of impurities.
    • 本发明公开了一种负载传感器,其具有陶瓷的高精度负载感应元件,在该负载传感元件上形成有不会发生断裂和电阻变化的应变片的薄膜电阻图案。 称重传感器包括陶瓷材料的弯曲梁和形成在其上的薄膜电阻的应变片,弯曲梁具有涂覆有非晶玻璃的表面,在其上形成薄膜电阻的应变计。 应变计是由铁和选自铬,钴,钨,钼,铌和钽中的一种或多种的合金和少量的杂质形成的。