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Chip ubucda kamarada – CMOS image sensor

 

Chip xudunta u ah kamarada - sawirka CMOS

dareeme

CMOS (dhammaan biraha oxide semiconductor) sawirka dareemayaasha fikradda hawlgalka waxaa la saadaaliyay qeybtii labaad ee 1960-meeyadii, laakiin aaladda lama suuq geyn ilaa tignoolajiyada microfabrication ay si ku filan u kobcisay 1990-meeyadii.CCD (qalabka lagu dallaco) ama CMOS (dhammaan biraha oxide semiconductor) sawirada dareemayaasha ayaa inta badan lagu isticmaalaa kamaradaha dhijitaalka ah ee maanta iyo taleefannada gacanta.

 

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CCD iyo CMOS labaduba waa aaladaha semiconductor ee u shaqeeya sida "indhaha elektarooniga ah."

Labaduba waxay shaqaaleeyaan photodiodes, laakiin hannaankooda wax-soo-saarka iyo hababka akhrinta calaamadaha way kala duwan yihiin.In kasta oo tignoolajiyada CCD ay caan ku ahayd markii hore iyada oo ay ugu wacan tahay dareenka sare iyo tayada sawirka, dareemayaasha CMOS waxa ay bilaabeen in ay ka badnaadaan dareemayaasha CCD ee mugga maraakiibta laga bilaabo 2004tii.

Heerka xogtu wuu ka dhakhso badan yahay CCD.
Qaybaha capacitors ee ku jira qalabka dareemaha sawirka ku xidhan (CCD) waxa uu qaadaa koronto marka loo eego iftiinka iftiinka pixel-ka.Capacitor kasta waxa ku jira waxa loo gudbiyaa deriskiisa iyada oo loo sii marayo wareegga koontaroolka, kapacitor-ka ugu dambeeya ee shaxdu waxa uu faaruqiyaa kharashkiisa cod-weyneeye.Dareemayaasha CCD waxay caan ku yihiin habka gudbinta xogta baaldi-kooxeedkooda.

Dareemka sawirka bir oxide semiconductor (CMOS) dhammaystiran

dhanka kale, waxa uu ka kooban yahay photodiode iyo transistor-ka CMOS ee pixel kasta, kaas oo u ogolaanaya in calaamadaha pixel si gaar ah loo kordhiyo.Calaamadaha pixel waxaa laga yaabaa in si toos ah iyo si isdaba joog ah loo galo, si aad ah uga dhaqsiyaha badan CCD-da, iyadoo la maamulayo jaantuska furayaasha.Faa'iidada kale ee ay leeyihiin cod-weyneeye pixels kasta waa in ay hoos u dhigto buuqa ka dhasha marka la akhrinayo calaamadaha korantada ee laga beddelay iftiinka la ururiyey.

Dareemayaasha sawirka CMOS waa ka qaalisan yihiin soo saarista dareemayaasha sawirka CCD sababtoo ah qalabka wax soo saarka semiconductor ee jira ayaa dib loogu isticmaali karaa wax soo saarkooda.Si ka duwan sida dareemayaasha CCD, kuwaas oo isticmaala wareegyada analoogga ah ee voltage-ka sare, CMOS dareemayaasha waxay isticmaalaan wareeg yar oo dhijitaal ah kaas oo cunaya awood yar oo, aragti ahaan, aan lahayn smear (xariijimo cad oo toosan oo iftiin dhalaalaya ah) iyo ubaxyo (musuqmaasuqa sawirada sida sida baro cadcad).Sababtoo ah wareegtada macquulka ah waxaa lagu dari karaa chip-ka inta lagu jiro habka wax soo saarka, dareemayaasha CMOS ee leh wareegga wax-qabadka sawirka-chip-ka ayaa loo sameeyay codsiyada sida aqoonsiga sawirka iyo aragga macmalka ah, iyadoo qalabka qaarkood hadda la isticmaalo.

 

Ronghua, waa saaraha ku takhasusay R&D, habaynta, wax soo saarka, iibinta iyo adeegga modules kamaradaha, modules camera USB, lenses iyo alaabta kale. Haddii aad xiisaynayso nala soo xidhiidh, fadlan:
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Waqtiga boostada: Jan-30-2023