A cikin duniyar da ke ci gaba da haɓakawa na microelectronics, masana'anta na semiconductor, da ingantattun na'urorin gani, amfani da hoto yana da mahimmanci a cikin ayyukan photolithography. Hakanan mahimmanci shine kawar da wannan mai ɗaukar hoto bayan matakin ƙirar. Anan shine Masu cirewa masu daukar hoto sun shigo cikin wasa. Amma menene ainihin wakili na cirewa na hoto? Me yasa ayyukansa ke da mahimmanci a masana'antu masu ci gaba?
1. Menene Wakilin Cire Hoto?
(1) Ma'ana da Babban Aiki
A Wakilin cirewa na photoresist wani nau'in sinadari ne da aka tsara musamman don cire yadudduka na photoresist daga ma'auni bayan ayyukan lithographic. Photoresists kayan aiki ne masu haske da ake amfani da su don samar da suturar ƙira akan wafers na semiconductor ko allunan da'ira (PCBs). Bayan an gama aikinsu-kare wasu wurare a lokacin etching ko dasawa-suna buƙatar cire su gaba ɗaya ba tare da lalata tsarin da ke ƙasa ba.
Masu cirewa suna narkar da ko ɗaga waɗannan fina-finai yadda ya kamata, suna ba da damar tsabtace dandali da sake amfani da su ko ci gaba zuwa matakin masana'anta na gaba.
2. Me Yasa Tasiri Yake Da Muhimmanci?
(1) Hana lalacewar Substrate
Ɗaya daga cikin manyan ƙalubale a cikin cirewa na photoresist shine kiyaye mutuncin ma'auni . Ko ana mu'amala da wafern silicon ko hadaddun PCBs masu yawa, duk wani saura ko ta'addanci na iya haifar da lahani mai tsada ko gazawar tsari . Wakilin tsiro mai inganci yana tabbatar da cikar cirewa ba tare da lalata ko tsangwama ba.
(2) Ba da damar Ƙirƙirar Ƙirƙirar Mahimmanci
A cikin masana'antu kamar semiconductor da tsarin microelectromechanical (MEMS), daidaiton matakin nanometer sau da yawa. ana buƙatar Ko da alamar adadin hoto da aka bari a saman na iya canza aikin lantarki ko yawan amfanin na'urar. Ingantacciyar wakili na tsiri yana bawa masana'antun damar cimma ingantaccen tsarin aiki da kayan aiki.
3. Nau'o'in Ma'aikatan Zage-zage na Photoresist
(1) Agents Na Tsare-Ƙaƙwalwa
Waɗannan sun dogara da kaushi na halitta kamar N-Methyl-2-pyrrolidone (NMP), Dimethyl sulfoxide (DMSO), ko wasu glycol ethers. Duk da yake masu tushen ƙarfi suna da tasiri kuma ana amfani da su sosai, galibi suna zuwa tare da damuwa mai guba , haɗarin ƙonewa, da tsauraran ƙa'idodin zubarwa..
(2) Ma'aikatan Tsigewar Ruwa
Dangane da abubuwan da suka shafi muhalli da aminci, masu tsiro masu tushen ruwa ko na ruwa sun sami shahara. Waɗannan jami'ai sun haɗu da surfactants, wakilai masu lalata, da masu hana lalata don ba da mafita ga yanayin muhalli . Yuanan ya ɓullo da ƙira waɗanda suka dace da aikin tushen ƙarfi yayin da ya cika ka'idojin dorewar duniya.
(3) Plasma Ashing (Madaidaicin Nazari)
Duk da yake ba wakili na sinadarai ba ne, tokawar plasma busasshiyar dabara ce wacce ke amfani da ions masu amsawa don ƙonewa . Duk da haka, sau da yawa ba shi da ƙima kuma bai dace da abubuwan da ke da zafin jiki ba.
A Yuanan, mun fahimci cewa ba duk masu adawa da hoto ba ne aka halicce su daidai . Don haka, haɓaka samfuranmu yana mai da hankali kan ƙirƙirar ɗinki tube jamiái don daban-daban tsayayya chemistries da substrate iri.
(1) Mahimman Fassarorin Tsarin Tsagewar Yuanan
Mara lalacewa ga karafa kamar aluminum, jan karfe, da tungsten
Ayyukan cirewa da sauri don tabbataccen sautin mara kyau yana tsayayya
Mai jituwa tare da nau'ikan kayan aiki daban-daban, gami da silicon, gilashi, da mahaɗar semiconductor
Alhakin muhalli, rage VOCs da ragowar masu guba
Ƙananan rago don tsaftacewa mai mahimmanci a cikin nanofabrication
(2) Yankunan Aikace-aikace
Semiconductor wafer tsaftacewa
LCD da OLED nuni masana'antu
Ƙirƙirar na'urar MEMS
Tsabtace allon da'ira (PCB).
Hard disk media da sarrafa ruwan tabarau na gani
5. Kalubale a cikin Stipping Photoresist
(1) Daban-daban Tsarukan Juriya
Kamar yadda masu ɗaukar hoto suka zama mafi hadaddun sinadarai-musamman a cikin zurfin UV ko lithography na EUV - zaɓin wakili mai tsiri dole ne ya samo asali. Wasu ci-gaba na photoresists suna da juriya ga kaushi na gargajiya, suna buƙatar sabbin hanyoyin magance sinadarai tare da ƙarfi, amma lafiya, hanyoyin cirewa.
(2) Amincewa da Muhalli da Ka'idoji
Masana'antun zamani suna fuskantar ƙara matsa lamba don rage hayaki mai guba da rage sharar gida. Ana kawar da wakilai masu nauyi-nauyi don neman ƙarin koren madadin . Yuanan yana magance wannan tare da cikakkun samfuran da suka dace da RoHS, REACH, da ƙa'idodin zubar da ruwa na gida.
6. Zaɓan Wakilin Tsige Mai Haɓakawa
Zaɓin madaidaicin wakili na tsiri ya dogara da dalilai na fasaha da yawa:
Nau'in photoresist (tabbatacce vs. korau sautin)
Substrate abu da ji na ƙwarai to lalata
Hanyar tsaftacewa (fesa, jiƙa, ko ultrasonic)
Abubuwan da ake buƙata da lokacin sake zagayowar
La'akari da sharar gida
Yuanan yana ba da cikakken goyan bayan fasaha da gyare-gyare na musamman don taimakawa abokan ciniki inganta tsarin tsaftacewa don iyakar yawan amfanin ƙasa da aminci.
Kammalawa
Ba wai wakili mai cirewa na hoto kawai kayan tallafi ba ne - yana da mahimmanci a cikin masana'anta daidai. Ba tare da ingantaccen kuma amintaccen juriya ba, duk layin samarwa na iya fuskantar gurɓatawa, asarar amfanin ƙasa, ko lalacewar kayan aiki.
An ƙera hanyoyin cire ɓangarorin yankan-baki na Yuanan tare da aiki, aminci, da dorewa cikin tunani. Tare da R&D mai gudana da zurfin fahimtar buƙatun microfabrication, muna ci gaba da ƙarfafa masana'antu tare da abin dogaro, mai tsabta, da ƙaƙƙarfan ƙayyadaddun ƙayyadaddun ƙayyadaddun fasahar cirewa.
Ko kai mai yin guntuwa ne, masana'anta na nuni, ko ƙera PCB, amince da Yuanan don isar da kyakkyawan aiki a kowane digo na sinadarai.
