Kini awọn ohun elo aise fun iṣelọpọ polysilicon?

Awọn ohun elo aise fun iṣelọpọ polysilicon ni akọkọ pẹlu ohun alumọni ohun alumọni, hydrochloric acid, ohun alumọni ile-iṣẹ iwọn irin, hydrogen, kiloraidi hydrogen, lulú ohun alumọni ile-iṣẹ, erogba ati irin kuotisi.o

oSilikoni irino: nipataki silicon dioxide (SiO2), eyiti o le fa jade lati awọn ohun elo silikoni gẹgẹbi quartz, iyanrin quartz, ati wollastonite.oHydrochloric acido(tabi kiloraini ati hydrogen): ti a lo lati fesi pẹlu ohun alumọni ile-iṣẹ iwọn irin lati ṣe agbejade trichlorosilane.oMetallurgical ite ohun alumọnio: gẹgẹbi ọkan ninu awọn ohun elo aise, o ṣe atunṣe pẹlu hydrochloric acid ni iwọn otutu giga lati ṣe agbejade trichlorosilane.oHydrogeno: ti a lo lati dinku trichlorosilane lati ṣe agbejade awọn ọpa polysilicon mimọ-giga.oHydrogen kiloraidio: ṣe atunṣe pẹlu lulú ohun alumọni ile-iṣẹ ni ileru iṣelọpọ lati ṣe agbejade trichlorosilane.oIse ohun alumọni lulúo: kuotisi irin ati erogba ti dinku lati gbe awọn bulọọki ohun alumọni ile-iṣẹ labẹ agbara, eyiti a fọ ​​sinu lulú ohun alumọni ile-iṣẹ.oAwọn ohun elo aise wọnyi faragba lẹsẹsẹ awọn aati kemikali ati awọn ilana iwẹnumọ lati nikẹhin gba awọn ohun elo polysilicon mimọ-giga. Polysilicon jẹ ohun elo aise ipilẹ fun iṣelọpọ awọn ohun alumọni ohun alumọni ẹyọkan ati pe o jẹ lilo pupọ ni ile-iṣẹ semikondokito, awọn sẹẹli oorun ati awọn aaye miiran.

polysilicon jẹ ohun elo aise taara fun iṣelọpọ ohun alumọni gara ẹyọkan. O jẹ ohun elo alaye itanna ipilẹ fun awọn ẹrọ semikondokito gẹgẹbi oye atọwọda ti ode oni, iṣakoso adaṣe, sisẹ alaye, ati iyipada fọtoelectric. O pe ni “okuta igun ile ti microelectronics.”

Awọn olupilẹṣẹ polysilicon akọkọ jẹ Hemlock Semiconductor, Wacker Chemie, REC, TOKUYAMA, MEMC, Mitsubishi, Sumitomo-Titanium, ati diẹ ninu awọn aṣelọpọ kekere ni Ilu China. Awọn ile-iṣẹ meje ti o ga julọ ṣe agbejade diẹ sii ju 75% ti iṣelọpọ polysilicon agbaye ni ọdun 2006.