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Shadow mask for color Braun tubes, comprises iron group alloy board containing nickel and cobalt, having predetermined crystal grain size and resistance
Shadow mask for color Braun tubes, comprises iron group alloy board containing nickel and cobalt, having predetermined crystal grain size and resistance
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机译:用于彩色布劳恩管的荫罩,包括含镍和钴的铁基合金板,具有预定的晶粒尺寸和电阻
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摘要
The low heat-expansion type shadow mask (1) has an iron group alloy board (2) containing nickel and cobalt. The iron group alloy board has 0.2% resistance of 240-320 N/mm2, and crystal grain size of 6-9 when measured by particle size measuring method according to JIS G0551.
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机译:低热膨胀型荫罩(1)具有包含镍和钴的铁族合金板(2)。当根据JIS G0551通过粒度测量方法测量时,铁族合金板的0.2%电阻为240-320N / mm 2,并且晶粒尺寸为6-9。
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