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Kuka keksi transistorin?

Transistori, jota pidetään yhtenä 1900-luvun tärkeimmistä keksistä ja elektronisten piirien lifeplood, löydettiin 1947. Joukkue koostuu John Bardeen ja Walter brtain, headod William Shockley vuonna tutkimus laboratoriot maailman suurin Puhelin yhtiö, Bell järjestöt, on palkittu Nobel-palkinnon vuonna 1956, koska nämä uudet maaaking invations vuonna Teknologia hän oli arvokas.

 

Bardeen ja brafdo yrittivät löytää vaihto ehto vastaan thermionic Caps käytetään hankintaan, strengusing, ja projektio Radio-ja puhelin signaaleja. Se oli jonkin verran aikaa lämmittää näitä lamppuja, jotka olivat nopeita murtaa ja kallista. Ja he olivat confiting paljon sähköä.

 

Joukkue teki ensimmäisen transistorin ohuesta germanium kerros. Kaksi päivää ennen joulua klo 1947, tämä transistori oli kytketty Radio piiri ja Brent kirjoitti seuraavat rivit hänen Notebook: "Tämä piiri todella toimii. Koska melu taso, havaittavissa korkeus oli achioed. "transistori, kuten lamppu, täydennetty ääni signaalin. Mutta se oli paljon pienempi kooltaan ja tarvitaan vähemmän energiaa. Aluksi tuskin kukaan belived että pieni laite voisi korvata ne suuret lamput. Mutta Shockley ja hänen tiiminsä ovat tehneet suuria strades neljässä vuodessa. Vuonna 1952, transistori laskettiin yhden kymmenesosa alkuperäisestä mitat ja oli paljon vahvempi 1957, ja 30 000 000 transistorit tuotetaan vuosittain. Tämän alan kehitys on edelleen kesken.

 

Sen sijaan, että germanium kerros, tutkijat alkoivat käyttää puhdasta puhtautta kiteitä, jotka voivat kestää paljon enemmän lämmön intensiteetti. Transistorit olivat valmistaja, joka voi lähettää nykyisen niin vähän kuin 100 000 000 sekuntia. Kiitos näiden liikkuvien laskimet, digitaaliset kellot tehtiin. Lamput Radio-ja televisiovastaanottimet myös korvattu transistorit. Jos se ei ole näitä pieniä mahtavia laitteita, se ei olisi mahdollista saada Satelliitti viestintää, avaruus aluksia ja kuun valloitus mies.

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