ʻO ka puʻupuʻu kumu o ke kāmela - ʻike kiʻi CMOS

ʻO ka puʻupuʻu kumu o ke kāmela - kiʻi CMOS

mea ʻike

He CMOS (complementary metal oxide semiconductor) kiʻi manaʻo hana i manaʻo ʻia i ka hapa ʻelua o nā makahiki 1960, akā ʻaʻole i kūʻai ʻia ka hāmeʻa a hiki i ka ulu ʻana o ka ʻenehana microfabrication i nā makahiki 1990.Hoʻohana pinepine ʻia nā mea ʻike kiʻi CCD (charge coupled device) a i ʻole CMOS (complementary metal oxide semiconductor) i nā kiʻi paʻi kiʻi a me nā kelepona paʻa.

ʻO CCD a me CMOS nā mea semiconductor ʻelua e hana nei ma ke ʻano he "maka uila."

Hoʻohana lāua ʻelua i nā photodiodes, akā ʻokoʻa kā lākou hana hana a me nā ʻano heluhelu hōʻailona.ʻOiai ua kaulana ka ʻenehana CCD i ka wā mua ma muli o ke kiʻekiʻe kiʻekiʻe a me ka maikaʻi o ke kiʻi, ua hoʻomaka nā mea ʻike CMOS e ʻoi aku ma mua o nā sensor CCD i ka nui o ka hoʻouna ʻana i hoʻomaka i ka makahiki 2004.

ʻOi aku ka wikiwiki o ka ʻikepili ma mua o CCD.
ʻO kahi ʻano o nā capacitors i loko o kahi mea ʻike kiʻi charge-coupled device (CCD) e lawe i ka hoʻoili uila e like me ka ikaika māmā o kahi pika.Hoʻoili ʻia nā ʻike o kēlā me kēia capacitor i kona hoalauna ma o kahi kaapuni mana, a ʻo ka capacitor hope loa i loko o ka array e hoʻokaʻawale i kāna uku i loko o kahi mea hoʻonui.Ua ʻike ʻia nā mea ʻike CCD no kā lākou ʻano hoʻoili ʻikepili bucket-brigade.

He mea ʻike kiʻi hoʻohui metala oxide semiconductor (CMOS).

ma kekahi ʻaoʻao, aia kahi photodiode a me kahi hoʻololi transistor CMOS no kēlā me kēia pika, kahi e hiki ai ke hoʻonui ʻia nā hōʻailona pika.Hiki ke kiʻi pololei ʻia nā hōʻailona pika a me ke kaʻina, ʻoi aku ka wikiwiki ma mua o ka sensor CCD, ma ka hoʻopunipuni ʻana i ka matrix o nā hoʻololi.ʻO kekahi pōmaikaʻi ʻē aʻe o ka loaʻa ʻana o ka amplifier no kēlā me kēia pika, ʻo ia ka hoʻemi ʻana i ka walaʻau e kū mai ana i ka heluhelu ʻana i nā hōʻailona uila i hoʻololi ʻia mai ke kukui i hōʻiliʻili ʻia.

He emi ke kumu kūʻai o nā mea ʻike kiʻi CMOS ma mua o nā mea ʻike kiʻi CCD no ka mea hiki ke hoʻohana hou ʻia nā lako hana semiconductor no kā lākou hana.ʻAʻole like me nā mea ʻike CCD, ka mea e hoʻohana ana i nā kaapuni analog kiʻekiʻe, hoʻohana nā mea ʻike CMOS i kahi kaapuni kikohoʻe liʻiliʻi e hoʻopau i ka mana liʻiliʻi a, ma ke kumumanaʻo, ʻaʻohe o ka smear (keʻokeʻo keʻokeʻo kū pololei i kahi kiʻi mālamalama-mālamalama) a me ka pua e like me nā kiko keʻokeʻo).No ka mea hiki ke hoʻokomo ʻia ka circuitry logic i ka chip i ka wā o ka hana ʻana, ua hoʻomohala ʻia nā mea ʻike CMOS me kahi kaapuni hoʻoili kiʻi ma luna o ka chip no nā noi e like me ka ʻike kiʻi a me ka ʻike artificial, me kekahi mau mea hana i kēia manawa.

ʻO Ronghua, he mea hana kūikawā i ka R&D, hana maʻamau, hana, kūʻai aku a me ka lawelawe ʻana i nā modula kamera, nā modula kamera USB, nā lens a me nā huahana ʻē aʻe.
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