Kodi mumadziwa za kusinthika kwa MOSFET?

I. Malingaliro oyambirira ndi kufufuza

Lingaliro laperekedwa:Kupangidwa kwa MOSFET kumatha kutsatiridwa mpaka zaka za m'ma 1830, pomwe lingaliro la transistor yamunda lidayambitsidwa ndi Lilienfeld waku Germany. Komabe, kuyesa panthawiyi sikunapambane kukwaniritsa MOSFET yothandiza.

Phunziro loyambirira:Pambuyo pake, ma Bell Labs a Shaw Teki (Shockley) ndi ena ayesanso kuphunzira kupangidwa kwa machubu okhudza kumunda, koma zomwezi zidalephera. Komabe, kafukufuku wawo adayala maziko a chitukuko chamtsogolo cha MOSFET.

II. Kubadwa ndi chitukuko choyambirira cha MOSFETs

Kupambana Kwambiri:Mu 1960, Kahng ndi Atalla anapanga mwangozi MOS field effect transistor (MOS transistor mwachidule) pofuna kupititsa patsogolo ntchito ya bipolar transistors ndi silicon dioxide (SiO2). Izi zidawonetsa kulowa kwa MOSFET mumakampani ophatikizika opanga madera.

Kupititsa patsogolo Kachitidwe:Ndi chitukuko chaukadaulo wa semiconductor process, magwiridwe antchito a MOSFET akupitilizabe kuyenda bwino. Mwachitsanzo, mphamvu yogwiritsira ntchito mphamvu yamagetsi ya MOS imatha kufika ku 1000V, kukana kwa MOS kutsika kwa MOS ndi 1 ohm yokha, ndipo ma frequency ogwiritsira ntchito amachokera ku DC kupita ku megahertz zingapo.

III. Kugwiritsa ntchito kwambiri ma MOSFET ndi luso laukadaulo

Zogwiritsidwa ntchito kwambiri:Ma MOSFET amagwiritsidwa ntchito kwambiri pazida zosiyanasiyana zamagetsi, monga ma microprocessors, kukumbukira, mabwalo omveka, ndi zina zambiri, chifukwa chakuchita bwino kwambiri. Pazida zamakono zamakono, MOSFET ndi imodzi mwazinthu zofunika kwambiri.

Zaukadaulo:Pofuna kukwaniritsa zofunikira za maulendo apamwamba ogwiritsira ntchito komanso mphamvu zowonjezera mphamvu, IR inapanga mphamvu yoyamba ya MOSFET. kenako, mitundu yatsopano ya zida zamagetsi idayambitsidwa, monga ma IGBT, ma GTO, ma IPM, ndi zina zambiri, ndipo akhala akugwiritsidwa ntchito mochulukira m'magawo okhudzana.

Zatsopano zatsopano:Ndi kupita patsogolo kwaukadaulo, zida zatsopano zikufufuzidwa popanga ma MOSFET; mwachitsanzo, zida za silicon carbide (SiC) zikuyamba kulandira chidwi ndi kafukufuku chifukwa chapamwamba kwambiri zakuthupi.Zida zaSiC zimakhala ndi matenthedwe apamwamba kwambiri komanso bandwidth yoletsedwa poyerekeza ndi zida wamba za Si, zomwe zimatsimikizira zinthu zawo zabwino kwambiri monga kachulukidwe wamkulu wapano, wapamwamba kwambiri. kusweka kumunda mphamvu, ndi mkulu ntchito kutentha.

Chachinayi, ukadaulo wotsogola wa MOSFET ndi njira yachitukuko

Dual Gate Transistors:Njira zosiyanasiyana zikuyesedwa kuti apange ma transistors apawiri kuti apititse patsogolo magwiridwe antchito a MOSFET. Ma transistors apawiri a MOS ali ndi kutsika bwinoko poyerekeza ndi chipata chimodzi, koma kuchepa kwawo kumakhalabe kochepa.

Short trench effect:Chitukuko chofunikira kwa ma MOSFET ndikuthana ndi vuto la njira yayifupi. Zotsatira zafupikitsa zidzachepetsa kupititsa patsogolo kwa kachipangizo kachipangizo, kotero ndikofunikira kuthana ndi vutoli mwa kuchepetsa kuya kwa gwero ndi kukhetsa zigawo, ndikusintha magwero ndi kukhetsa ma PN ophatikizana ndi zitsulo-semiconductor.