Yintoni isikhephe seQuartz?
A isikhephe sequartzsisithwala esichanekileyo esenziwe ngesilica edityanisiweyo ephezulu yococeko, ebonisa uyilo lwe-slot ezininzi. Isetyenziselwa ukubamba i-silicon wafers, i-semiconductor substrates, okanye ezinye izinto ngexesha leenkqubo zokushisa okuphezulu. Kwimveliso ye-photovoltaic kunye ne-semiconductor, iinqanawa ze-quartz zizixhobo eziyimfuneko kwiinkqubo ezibalulekileyo ezifana nokusabalalisa, i-chemical vapor deposition (CVD), kunye ne-annealing, echaphazela ngokuthe ngqo ukusebenza kwemveliso kunye nemveliso yemveliso.
Imisebenzi enguNdoqo:
Iifotovoltaics: Isetyenziswe kwi-phosphorus diffusion (ukwenza i-PN junctions) kunye ne-passivation layer deposition ye-silicon wafers kwiziko lobushushu obuphezulu.
Iisemiconductors: Ithwala iiwafers ngexesha le-oxidation, i-etching, kunye nokufakwa kwefilimu ebhityileyo ekwenzeni itshiphu.
Siyilwe njani kwaye senziwe njani isikhephe seQuartz?
Uyilo lweisikhephe se-quartzkufuneka ihlangabezane nezi nqobo zilandelayo:
-Ukucoceka okuphezulu kakhulu:
I-Raw SiO2 imathiriyeli kufuneka idlule kwi-99.99% yococeko ukuphepha ukungcoliseka.
-Ukumelana nobushushu obuphezulu:
Ukumelana nokuvezwa ixesha elide kumaqondo obushushu angaphezu kwe-1200℃ ngaphandle kokuthotywa kwesakhiwo.
-Ukwandiswa kweThermal ephantsi:
I-Coefficient of thermal expansion (CTE) kufuneka incitshiswe (≈5.5 10-6 / ℃) ukukhusela ukulwa okanye ukuqhekeka.
-Precision Slot Design:
Ukunyamezela isithuba sendawo silawulwa ngaphakathi kwe±0.1mm ukuqinisekisa ukufudumeza okufanayo.
Senziwa njani isikhephe sequartz?
Ukuhlanjululwa kwezinto ezikrwada:
Isanti ye-quartz yendalo inyibilika kwisithando sombane se-arc kwi-2000 ° C ukususa ukungcola okufana ne-Fe, Al, kunye ne-Na.
UbuGcisa bokuqulunqa:
I-CNC Machining: Izixhobo ezikhokelwa yikhompyutha zikrola iindawo zokubeka ngokuchaneka kwe-sub-millimeter.
Ukwenziwa kweMold: Kwijometri ezintsonkothileyo, isilica edityanisiweyo igalelwa kwimibumbo yegraphite kwaye itshiswe.
Ukugqibelela komphezulu:
I-Diamond-tool polishing ifezekisa i-roughness surface (Ra) <0.5 μm, ukunciphisa i-particle adhesion.
Ukuhlanjwa kwe-asidi (umzekelo, i-HCl) kususa izingcoliso ezishiyekileyo.
Uvavanyo olungqongqo:
Uvavanyo lwe-Thermal Shock: Ibhayisekile ngokukhawuleza phakathi kwe-25 ℃ kunye ne-1200 ℃ ukujonga ukumelana nokuqhekeka.
Uhlalutyo Lobunyulu: I-Glow discharge mass spectrometry (GDMS) ibona umkhondo wokungcola.
Kutheni le nto izikhephe zequartz zingenakususwa kula mashishini?
Ukunganyanzeli kweMichiza: Ixhathisa ukusabela ngeeasidi, ialkali, iklorini, kunye neegesi zenkqubo kumaqondo obushushu aphezulu.
Ukuzinza kweThermal: Ingaphezulu kakhulu kunezinyithi okanye iikeramics kwibhayisekile eshushu ekhawulezayo ngenxa yeCTE ephantsi kakhulu.
Ukungafihli okubonakalayo: Ivumela ukuhanjiswa kokukhanya kwe-UV-IR kwiinkqubo ze-CVD ezincedwa yifoto.
Ukuthelekisa:
ISilicon Carbide (SiC) Isikhephe: Iindleko eziphezulu kunye nokusebenza kwakhona nge-oxygen (ivelisa i-CO2).
Isikhephe seGraphite: Umngcipheko wongcoliseko lwekhabhoni ochaphazela ukuxhathisa kwewafer.
Iinqanawa ze-quartz zisebenza njani kwimigca yokuvelisa i-photovoltaic?
Ukusasazwa kwePhosphorus:
Inkqubo: Iziqwenga ze-silicon zilayishwa kwizikhephe zequartz kwaye zivezwe kwigesi ye-POCl3 kwi-850-950 ℃ ukwenza i-PN junctions.
I-quartz inoxhathiso oluphezulu lwe-corrosion ngokuchasene nemekobume ye-POCl3 enobundlobongela.
PERC Cell Passivation:
Inkqubo: Ibamba ii-wafers ngexesha le-Al2O3deposition ukwenzela ukugqithiswa kobuso obungasemva, ukwandisa ukusebenza kakuhle koguqulo.
IParameter ebalulekileyo: Uyilo lwe-Slot luqinisekisa ukufana kwefilimu ≤3%.
Izikhephe zequartz ziqinisekisa njani ukuchaneka ekusetyenzweni kwewafer?
Iinkqubo ze-Oxidation:
Inkqubo: IiWafers zilayishwa ngokuthe nkqo kwisikhephe sequartz ukwenzela ioxidation eyomileyo/emanzi kwi-1100℃ ukukhulisa iileya zeSiO2.
Uphawu loYilo: Iindonga ze-slot zijikwe kwi-5-10 ° ukunqanda ukutyibilika kwe-wafer.
Iinkqubo zeCVD:
Inkqubo: Ivumela ukuhanjiswa kwe-plasma efanayo ngexesha le-Si3N4 okanye i-polysilicon deposition.
Utshintsho: Uyilo olukwinqanaba eliphezulu lubandakanya imijelo yokuhamba kwerhasi ukwenzela ukuphuculwa kokungaguquguquki kwefilimu.
Zeziphi izenzo ezandisa ubomi be-quartz boa ngelixa unciphisa ixesha lokuphumla?
IiCycles zokucoca:
Mihla le: Amanzi adityanisiweyo + CO2 ijethi yekhephu yokucoca isusa amasuntswana.
Ngeveki: Ukuntywiliselwa kwi-5% ye-citric acid kwi-80℃ kunyibilikisa iioksidi zentsimbi.
Uluhlu lokuHlola:
I-Devitrification: Amabala amhlophe kwi-quartz abonisa i-crystallization; buyisela ukuba ukhuselo lungaphezulu kwe-5%.
IiMicrocracks: Sebenzisa uvavanyo lokungena kwidayi ukukhangela iziphene ezingaphantsi komphezulu.
Ziziphi iimpumelelo eziza kuchaza iteknoloji yesikhephe se-quartz?
Iinqanawa ze-IoT-Enabled:
Ifayibha efakelweyo iBragg grating (FBG) izivamvo zokujonga ubushushu bexesha lokwenyani (±1°C ukuchaneka).
Advanced Coatings:
Iingubo ze-zirconia ezizinzile ze-Yttria (YSZ) zinciphisa i-silicon carbide buildup nge-70% kwi-epitaxial reactors.
Imveliso eyongezelelweyo:
Iinqanawa ze-quartz eziprintiweyo ze-3D ezinezakhiwo ze-lattice zinciphisa ubunzima nge-40% ngelixa zigcina amandla.
Ukuqukumbela
Ukusuka ekwenzeni iifama zelanga ze-terawatt zibe namandla kwinguquko ye-AI ngokusebenzisa ii-semiconductors eziphambili,isikhephe sequartzngamahashe okusebenza angenambeko kubugcisa bale mihla. Njengoko amashishini etyhala imida ye-miniaturization kunye nokusebenza kakuhle, ukuveliswa koyilo lwesikhephe se-quartz kunye nesayensi yezinto eziphathekayo kuya kuhlala kubalulekile-ukubonisa ukuba nakwixesha le-AI kunye ne-computing ye-quantum, ezinye izinto "zesikolo esidala" zisabambe izitshixo zekamva.
Ixesha lokuposa: Mar-20-2025