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    • 4. 发明公开
    • Thick film resistor composition
    • 厚膜电阻器组成
    • EP0548865A3
    • 1994-02-09
    • EP92121673.5
    • 1992-12-19
    • E.I. DU PONT DE NEMOURS AND COMPANY
    • Borland, WilliamHayakawa, KeiichiroMatsuno, HisashiSato, TakeshiSmith, Jerome David
    • H01C17/06H01B1/08H01B1/14
    • H01C17/0658C03C3/07C03C3/072C03C3/074C03C3/091C03C3/093C03C3/108C03C8/10C03C8/12C03C8/14C03C8/22H01C17/0654
    • To provide a thick film resistor composition which gives a small length effect on the TCR and also small variations in the resistance values and the TCR on firing the overcoat glass. A thick film resistor composition comprising an electrically conducting component, ruthenium oxide and/or glass binder comprising a mixture of a first glass comprising 30-60% by weight of SiO₂, 5-30% by weight of CaO, 1-40% by weight of B₂O₃, 0-50% by weight of PbO and 0-20% by weight of Al₂O₃ in which the total of SiO₂, CaO, B₂O₃, PbO and Al₂O₃ amounts to at least 95% by weight thereof; and a second glass comprising a PbO-SiO₂ type glass with the PbO amounting to at least 50% by weight thereof, wherein the ratio of said electrically conducting component of said thick film resistor composition is 10-50% by weight, that of the first glass is 5-35% by weight and that of the second glass is 5-40% by weight.
    • 为了提供对TCR具有小长度效应的厚膜电阻器组合物,以及在对保护层玻璃进行焙烧时电阻值和TCR的小变化。 包含导电组分,氧化钌和/或玻璃粘合剂的厚膜电阻组合物,其包含第一种玻璃和第二种玻璃的混合物,所述第一种玻璃包含30-60重量%的SiO 2,5-30重量%的CaO,1-40重量% 的B 2 O 3,0-50%重量的PbO和0-20%重量的Al 2 O 3,其中SiO 2,CaO,B 2 O 3,PbO和Al 2 O 3的总量占其重量的至少95% 以及第二种玻璃,该第二种玻璃包含PbO-SiO 2型玻璃,PbO的含量至少为50重量%,其中所述厚膜电阻组合物的所述导电成分的比例为10-50重量%,第一玻璃 玻璃是5-35重量%,第二玻璃的重量是5-40重量%。