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<p>years earlier, lawyers at Bell Labs advised against Shockley's proposal because the idea of a field-effect transistor that used an electric field as a grid was not new. Instead, what Bardeen, Brattain, and Shockley invented in 1947 was the first <a href="page.php?w=point-contact_transistor">point-contact transistor</a>. To acknowledge this accomplishment, Shockley, Bardeen and Brattain jointly received the 1956 <a href="page.php?w=Nobel_Prize_in_Physics">Nobel Prize in Physics</a> "for their researches on semiconductors and their discovery of</p><p>
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