An yi wafer ɗin da siliki (Si) zalla.Gabaɗaya an kasu kashi 6-inch, 8-inch, da 12-inch ƙayyadaddun bayanai, ana samar da wafer bisa wannan wafer.Silicon wafers da aka shirya daga manyan na'urori masu tsabta ta hanyar matakai kamar ja da kristal da slicing ana kiran su wafers beca.amfani da suna zagaye a siffar.Ana iya sarrafa nau'ikan nau'ikan nau'ikan da'ira a kan wafern silicon don zama samfura masu takamaiman kayan lantarki.na aiki hadedde kewaye kayayyakin.Wafers suna bi ta cikin jerin hanyoyin kera na'ura don samar da ƙananan sifofi masu ƙanƙanta, sannan a yanka su, a tattara su, a gwada su cikin kwakwalwan kwamfuta, waɗanda ake amfani da su a cikin na'urorin lantarki daban-daban.Kayan Wafer sun sami fiye da shekaru 60 na juyin halitta na fasaha da haɓaka masana'antu, suna samar da yanayin masana'antu wanda silicon ke mamayewa kuma an ƙara shi da sabbin kayan semiconductor.
Kashi 80% na wayoyin hannu da kwamfutoci a duniya ana kera su ne a kasar China.Kasar Sin ta dogara ne kan shigo da kayayyaki da kashi 95 cikin 100 na guntu masu inganci, don haka kasar Sin na kashe dalar Amurka biliyan 220 a duk shekara wajen shigo da sinadarai, wanda shi ne sau biyu na man da kasar Sin ke shigo da shi a duk shekara.Hakanan an toshe duk kayan aiki da kayan da ke da alaƙa da injunan hoto da kuma samar da guntu, kamar wafers, ƙarafa masu tsafta, injin etching, da sauransu.
Yau za mu yi magana a taƙaice game da ka'idar shafe hasken UV na injin wafer.Lokacin rubuta bayanai, wajibi ne a yi allurar caji a cikin ƙofar da ke iyo ta hanyar amfani da babban ƙarfin lantarki VPP zuwa ƙofar, kamar yadda aka nuna a cikin hoton da ke ƙasa.Tun da cajin da aka yi wa allurar ba shi da makamashi don shiga bangon makamashi na fim din silicon oxide, zai iya kula da matsayin kawai, don haka dole ne mu ba da cajin wani adadin kuzari!Wannan shine lokacin da ake buƙatar hasken ultraviolet.
Lokacin da ƙofar da ke iyo ya sami iska mai iska ta ultraviolet, electrons a cikin ƙofar da ke iyo suna karɓar makamashin hasken ultraviolet, kuma electrons sun zama electrons masu zafi tare da makamashi don shiga bangon makamashi na fim din silicon oxide.Kamar yadda aka nuna a cikin adadi, electrons masu zafi suna shiga cikin fim ɗin silicon oxide, suna gudana zuwa ƙasa da ƙofar, kuma su koma yanayin da aka goge.Ana iya yin aikin sharewa ta hanyar samun hasken ultraviolet kawai, kuma ba za a iya goge shi ta hanyar lantarki ba.A wasu kalmomi, ana iya canza adadin ragowa daga "1" zuwa "0", kuma a cikin kishiyar shugabanci.Babu wata hanya da ta wuce goge dukkan abubuwan da ke cikin guntu.
Mun san cewa makamashin haske ya yi daidai da tsawon lokacin haske.Domin electrons su zama electrons masu zafi don haka su sami kuzarin shiga cikin fim din oxide, ana buƙatar hasken haske mai ɗan gajeren zango, wato hasken ultraviolet.Tunda lokacin shafewa ya dogara da adadin photons, ba za a iya rage lokacin shafewa ba ko da a ɗan gajeren zango.Gabaɗaya, gogewa yana farawa lokacin da tsayin daka ya kusan 4000A (400nm).Ya m kai jikewa a kusa da 3000A.A ƙasa 3000A, ko da tsayin raƙuman ya fi guntu, ba zai yi wani tasiri akan lokacin gogewa ba.
Ma'auni don shafe UV gabaɗaya shine karɓar haskoki na ultraviolet tare da madaidaicin tsayin raƙuman ruwa na 253.7nm da ƙarfin ≥16000 μ W / cm².Ana iya kammala aikin shafewa ta lokacin bayyanarwa daga minti 30 zuwa 3 hours.
Lokacin aikawa: Dec-22-2023