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Thermal deformation member for electron tube and color picture tube using thereof, and thermal deformation member for electric current control and circuit breaker and using thereof
Thermal deformation member for electron tube and color picture tube using thereof, and thermal deformation member for electric current control and circuit breaker and using thereof
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机译:用于电子管和彩色显像管的热变形部件,以及用于电流控制和断路器的热变形部件及其用途
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摘要
A high thermal expansion member consisting of such as an Fe-- Ni-- Cr based alloy, a low thermal expansion member consisting of such as an Fe-- Ni based alloy, and an intermediary member, which comprises one kind of metal selected from Fe, Al and Cu or an alloy comprising these metals, possesses a thermal expansion coefficient &agr;.sub.3 which is located between those of the high thermal expansion member (thermal expansion coefficient &agr;.sub.1) and the low thermal expansion member (thermal expansion coefficient &agr;.sub.2) (&agr;.sub.1 &agr;.sub.3 &agr;.sub.2), and is interposed therebetween, are laminated to form a thermal deformation member for an electron tube or a thermal deformation member for electric control. The intermediary member, without adversely affecting strength or long term reliability of the thermal deformation member, contributes to manufacturing cost reduction and improvement of workability. In a color picture tube, the above described thermal deformation member for an electron tube is employed in a thermal deformation portion of a frame holder which one edge is solidly stuck to a panel and the other edge thereof is solidly stuck to a mask frame of a shadow mask. In an overcurrent protection, the above described thermal deformation member for electric current control is employed in a thermal deformation portion which opens a contact point.
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