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    • 4. 发明授权
    • Variable capacitor
    • 可变电容器
    • US4408253A
    • 1983-10-04
    • US261739
    • 1981-05-07
    • Atsushi NishinoTadashi SuzukiMasaki IkedaTadashi Ohtani
    • Atsushi NishinoTadashi SuzukiMasaki IkedaTadashi Ohtani
    • H01G5/013H01G5/06
    • H01G5/0138H01G5/06
    • A variable capacitor, wherein at least one of its stator or rotor electrode is made of aluminum alloy or copper alloy and coated with a thin dielectric material layer containing fluorocarbon resin as its principal component by means of baking, is disclosed. The disclosed variable capacitor is particularly suited for a miniaturization of an appliance which adopts this variable capacitor. Careful qualification of the electrode materials, dielectric material, additional dielectric substance, and conditions for performing the baking and layer forming operation prevent the formation of the oxide film over the surface of the electrode material, and thus ensures a firm adherence of the layer to the substrate and a large maximum capacitance of the layer.
    • 一种可变电容器,其中,其定子或转子电极中的至少一个由铝合金或铜合金制成,并且通过烘烤涂覆有以含氟碳树脂为主要成分的薄介电材料层。 所公开的可变电容器特别适用于采用该可变电容器的器具的小型化。 仔细鉴定电极材料,电介质材料,附加电介质,以及进行烘烤和成层操作的条件,防止在电极材料的表面上形成氧化膜,从而确保层的牢固粘附 衬底和该层的大的最大电容。
    • 6. 发明授权
    • Low melting, opaque enamel frit
    • 低熔点,不透明的搪瓷玻璃料
    • US4469798A
    • 1984-09-04
    • US433819
    • 1982-10-12
    • Atsushi NishinoKunio KimuraMasaki IkedaHajime Oyabu
    • Atsushi NishinoKunio KimuraMasaki IkedaHajime Oyabu
    • C03C3/064C03C8/08C03C8/14C03C8/20C03C5/02
    • C03C8/20C03C8/08
    • A low melting, opaque enamel frit is described, which comprises 30 to 36 wt. % of SiO.sub.2, 15 to 20 wt. % of B.sub.2 O.sub.3, 7 to 9 wt. % of Na.sub.2 O, 5 to 10 wt. % of ZrO.sub.2, 10 to 17 wt. % of TiO.sub.2, 7 to 15 wt. % of K.sub.2 O, 2 to 10 wt. % of F.sub.2 and 0.5 to 2.5 wt. % of P.sub.2 O.sub.5. The total of Na.sub.2 O and K.sub.2 O is in the range of 15 to 20 wt. % and the total of TiO.sub.2 and ZrO.sub.2 is in the range of 15 to 20 wt. %. The ZrO.sub.2 /(TiO.sub.2 +ZrO.sub.2) ratio is in the range of 0.25 to 0.5:1 and the SiO.sub.2 /B.sub.2 O.sub.3 ratio is in the range of 1.5 to 2.4:1. In addition, the Na.sub.2 O/K.sub.2 O ratio is in the range of 0.6 to 1.0:1 and the (Na.sub.2 O+K.sub.2 O)/(TiO.sub.2 +ZrO.sub.2) is in the range of 0.7 to 1.2:1.
    • 描述了低熔点不透明的釉质玻璃料,其包含30至36重量% 的SiO 2%,15〜20wt。 B2O3%,7〜9wt。 %的Na 2 O,5〜10wt。 %的ZrO 2,10〜17wt。 %的TiO 2,7〜15wt。 %的K2O,2〜10wt。 F2的比例为0.5〜2.5wt。 %的P2O5。 Na 2 O和K 2 O的总量在15至20重量%的范围内。 %,TiO 2和ZrO 2的总量在15〜20重量%的范围内。 %。 ZrO 2 /(TiO 2 + ZrO 2)的比例在0.25〜0.5:1的范围内,SiO 2 / B 2 O 3的比例在1.5〜2.4:1的范围内。 另外,Na 2 O / K 2 O比在0.6〜1.0:1的范围内,(Na2O + K2O)/(TiO2 + ZrO2)在0.7〜1.2:1的范围内。