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  1. EFFECT

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  2. The first bipolar junction transistors were invented by Bell labs William Shockley, which applied for patent(2,569,347) on June 26, 1948. On April 12, 1950, Bell Labs chemists Gordon Teal and Morgan Sparks had successfully produced a working bipolar
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    • 发布日期:2025-06-24
    • 文件大小:1171456

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