ISILICON WAFER
ukusuka kwi-sitronic
Aiqhekeza lesonkasisilayi sesilicon esimalunga ne-1 millimeter ubukhulu esinomphezulu othe tyaba othe tyaba ngenxa yeenkqubo ezifunwa kakhulu ngokobuchwepheshe. Ukusetyenziswa okulandelayo kumisela ukuba yeyiphi inkqubo yokukhulisa ikristale ekufuneka isetyenziswe. Kwinkqubo yeCzochralski, umzekelo, i-silicon ye-polycrystalline iyancibilika kwaye i-crystal ye-pencil-thin imbewu ifakwe kwi-silicon etyhidiweyo. Ikristale yembewu ithi ke ijikelezwe ize itsalwe kancinane inyuke inyuke. I-colossus enzima kakhulu, i-monocrystal, iziphumo. Kunokwenzeka ukuba ukhethe iimpawu zombane ze-monocrystal ngokudibanisa iiyunithi ezincinci ze-dopants ezicocekileyo. Iikristale zifakwe ngokuhambelana neenkcukacha zabathengi kwaye ziphuculwe kwaye zinqunyulwe zibe ngamaqhekeza. Emva kwamanyathelo awongezelelweyo emveliso eyongezelelweyo, umthengi ufumana iiwafers ezichaziweyo kwipakethe ekhethekileyo, evumela umthengi ukuba asebenziseiqhekeza lesonkangokukhawuleza kumgca wayo wemveliso.
Namhlanje, inxalenye enkulu ye-silicon monocrystals ikhulile ngokwenkqubo yeCzochralski, ebandakanya ukunyibilika kwe-polycrystalline high-purity silicon kwi-quartz crucible hyperpure kunye nokongeza i-dopant (ngokuqhelekileyo i-B, P, As, Sb). Ikristale encinci yembewu ye-monocrystalline ifakwe kwi-silicon etyhidiweyo. Ikristale enkulu yeCZ emva koko iphuhla kule crystal ibhityileyo. Ulawulo oluchanekileyo lobushushu be-silicon etyhidiweyo kunye nokuhamba, ukujikeleza kwekristale kunye ne-crucible, kunye nesantya sokutsalwa kwekristale kumgangatho ophezulu kakhulu we-monocrystalline silicon ingot.
Ixesha lokuposa: Jun-03-2021