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Hvem opfandt transistoren?
Transistor, der betragtes som en af de vigtigste invations af 1900-tallet og lifeplood af elektroniske kredsløb, blev fundet i 1947. Holdet består af John Bardeen og Walter Brtain, headod af William Shockley i forskningslaboratorier i verdens største telefonselskab, Bell organisationer, er blevet tildelt Nobelprisen i 1956, som følge af disse nye groundaking invations i Teknologi han fortjente.
Barde og Brattain forsøgte at finde en mulighed mod thermionic lågene bruges i erhvervelse, strengusing og projektion af signaler, radio og telefon. Det skulle være en vis mængde tid til at varme disse lamper, der var hurtige til at bryde og dyrt. Og de var confiting en masse af elektricitet.
Holdet nåede den første transistor fra en tynd germanium lag. To dage før jul på 1947, denne transistor var tilsluttet en radio kredsløb og Brattain skrev følgende linjer i sin notesbog: "dette kredsløb virkelig virker. På grund af støjniveau var en mærkbar udvidelse achioed. "Transistor, ligesom lampen, forstærkes det lydsignal. Men det var langt mindre i størrelse og behov for mindre energi. Ved første, næppe nogen troet at en lille indretning kunne erstatte disse store lamper. Men Shockley og hans team har gjort stor strades i fire år. I 1952, transistoren blev sænket til en tiendedel af de oprindelige dimensioner og var meget stærkere i 1957, med 30 millioner transistorer produceret af årligt. Udviklingen på dette område er stadig i gang.
I stedet for laget germanium begyndte forskere at bruge ren renhed krystaller, som kunne modstå meget større varme intensitet. Transistorer var producent, der kan overføre aktuelt i så lidt som one hundred millioner sekunder. Takket være disse mobile regnemaskiner, blev digital ure foretaget. Lamperne i radio og tv-modtagere har også erstattet af transistorer. Hvis det ikke er for disse lille awesome enheder, ville det ikke være muligt at have satellitkommunikation, rumfartøjer og Månens erobring af mand.
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English
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dansk
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Nederlands
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Ελληνικά
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हिंदी
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Indonesia
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italiano
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norsk
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Polskie
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Português
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românesc
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русский
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slovenský
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español
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Український
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Melayu
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svenska
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ไทย
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Magyar
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việt
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Suomalainen
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