Chip yibanze ya kamera - sensor ya CMOS

Chip yibanze ya kamera - ishusho ya CMOS

sensor

Igitekerezo cyo gukora amashusho ya CMOS (yuzuzanya nicyuma cya oxyde semiconductor) cyatekerejwe mugice cya kabiri cyimyaka ya za 1960, ariko igikoresho nticyacuruzwa kugeza igihe ikoranabuhanga rya microfabrication ryateye imbere bihagije mu myaka ya za 90.Ibyuma bifata amashusho ya CCD (kwishyiriraho ibikoresho) cyangwa CMOS (ibyuma byuzuzanya byicyuma cya semiconductor) bikunze gukoreshwa muri kamera ya digitale na terefone igendanwa.

CCD na CMOS byombi ni ibikoresho bya semiconductor bikora nk "amaso ya elegitoroniki."

Bombi bakoresha fotodiode, ariko uburyo bwabo bwo gukora nuburyo bwo gusoma ibimenyetso buratandukanye.Nubwo ikoranabuhanga rya CCD ryamamaye mu ikubitiro bitewe n’ubukangurambaga bukabije hamwe n’ubuziranenge bw’amashusho, ibyuma bya CMOS byatangiye kurenza sensor ya CCD mu kohereza ibicuruzwa guhera mu 2004.

Igipimo cyamakuru kirihuta kuruta CCD.
Ibikoresho byinshi bya capacator mubikoresho bifatanyirijwe hamwe (CCD) sensor ishusho itwara umuriro w'amashanyarazi ukurikije ubukana bwa pigiseli.Buri bikoresho bya capacitori byimurirwa mubaturanyi babinyujije mumuzunguruko, kandi capacitor ya nyuma muri array isiba amafaranga yayo mumashanyarazi.Rukuruzi rwa CCD ruzwiho indobo-brigade uburyo bwo kohereza amakuru.

Icyuma cyuzuza icyuma cya oxyde semiconductor (CMOS) sensor sensor

kurundi ruhande, ikubiyemo fotodiode hamwe na transistor ya CMOS ya transistor kuri buri pigiseli, ituma ibimenyetso bya pigiseli byongerwaho ukundi.Ibimenyetso bya pigiseli birashobora kugerwaho muburyo butaziguye kandi bikurikiranye, byihuse cyane kuruta sensor ya CCD, ukoresheje matrix ya switch.Iyindi nyungu yo kugira amplifier kuri buri pigiseli nuko igabanya urusaku ruvuka mugusoma ibimenyetso byamashanyarazi byahinduwe mumucyo yakusanyije.

Imashini yerekana amashusho ya CMOS ntabwo ihenze kuyikora kuruta ibyuma bifata amashusho ya CCD kuko ibikoresho byo gukora semiconductor bihari birashobora kongera gukoreshwa kubyara umusaruro.Bitandukanye na sensor ya CCD, ikoresha imiyoboro ya analogi yumuriro mwinshi, sensor ya CMOS ikoresha umuzenguruko muto wa digitale ikoresha imbaraga nke kandi, mubitekerezo, idafite isuka (vertical white streak in image-light-light) kandi irabya (ruswa yamashusho nkaya nk'ibibara byera).Kuberako logic circuitry ishobora kwinjizwa kuri chip mugihe cyo gukora, sensor ya CMOS hamwe na chip yo gutunganya amashusho kuri chip irategurwa kubisabwa nko kumenyekanisha amashusho no kureba ibihimbano, hamwe nibikoresho bimwe na bimwe bikoreshwa ubu.

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