四季彩票
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铂电阻 薄膜铂电阻：用真空沉积的薄膜技术把铂溅射在陶瓷基片上，膜厚在2μm以内,用玻璃烧结料把Ni(或Pd)引线固定,经激光调阻制成薄膜元件※。绕线铂电阻(陶瓷、玻璃、云母):用φ0.02～0.04 ㎜高纯铂丝绕制而成.
