Njengoko ukwenziwa kwee-semiconductor kuqhubekela phambili ngakumbi kwii-process nodes—apho ukunyamezelana kulinganiswa kwii-angstroms kwaye iimfuno zozinzo zisondela kwimida yomzimba—iziseko ezisebenza kuzo ezi matshini azikaze zibe zibaluleke ngakumbi. Izinto zegranite ezichanekileyo ziye zavela njengezinto ezikhethwayo kubavelisi bezixhobo ze-semiconductor abafuna ukufikelela kuchanekileyo lokubeka indawo ye-nanoscale, uzinzo lobushushu, kunye nokwahlulwa kwe-vibration. Sekunjalo ukufumana ezi zinto kusengumsebenzi onzima, ogcwele ubuchwephesha obunokumisela impumelelo okanye ukungaphumeleli kwesakhiwo sonke sokwenza.
Kutheni Izixhobo Ze-Semiconductor Zifuna I-Precision Granite
Ishishini le-semiconductor likhula ngendlela engakaze ibonwe ngaphambili. Ngokweengxelo zoshishino, izakhiwo ezintsha ezingama-78 zokwenziwa kwe-300mm zakhiwa kwihlabathi liphela, ziqhutywa yimfuno ye-logic kunye nee-memory chips eziphambili. Isakhiwo ngasinye kwezi siza kuhlala amakhulu ezixhobo ezichanekileyo—zonke zifuna iziseko eziqinileyo ezigcina ukuchaneka kwinqanaba le-micrometer phantsi kokusebenza okuqhubekayo iiyure ezingama-24 ngosuku, iintsuku ezisixhenxe ngeveki.
Ngokungafaniyo nokusetyenziswa kwezixhobo zoomatshini eziqhelekileyo, ukwenziwa kwee-semiconductor kuzisa imingeni eyahlukileyo eyenza izixhobo zemveli zinganeli. Izakhiwo zesinyithi, nangona zinamandla, zisengozini yokuguquguquka kobushushu kunye nokuguquguquka komswakama okuchaphazela ngokuthe ngqo ukuchaneka kokusebenza. Isiseko somatshini wentsimbi esivezwe kukutshintshatshintsha kobushushu obuyi-±2°C siya kwanda kwaye sinciphe ngokulinganisela, size neempazamo zokubeka izinto ezihlangana namawakawaka amanyathelo okucubungula ii-wafer.
I-granite echanekileyo, ngokuchaseneyo, ibonisa uzinzo olumangalisayo oluhlala lungachaphazeleki kakhulu kukutshintsha-tshintsha kwendalo. I-coefficient yayo yokwandiswa kobushushu ilinganisa malunga ne-0.6–1.2×10⁻⁶/°C—phantse ibe ngaphantsi ngokuphindwe kalishumi kunentsimbi. Le propati yendalo ivumela iziseko zoomatshini be-granite ukuba zigcine ukuthembeka kwejometri kumanqanaba obushushu abanzi, zisusa isidingo seendawo ezibizayo zobushushu obungaguqukiyo kwaye zinciphise imvamisa yokulinganisa ukuya kuthi ga kwi-60% xa kuthelekiswa nezinye iindlela ze-polymer composite.
Iimpawu zokudambisa ukungcangcazela kwegranite zifanelwe yingqwalasela ekhethekileyo. Ngomlinganiselo wokudambisa wendalo we-0.012–0.015—xa kuthelekiswa ne-0.001 kuphela yesinyithi esityhidiweyo—iindawo zegranite ziyafunxa kwaye zichithe ukungcangcazela ngokusebenza kakuhle. Kwiindawo zokwenziwa kwe-semiconductor apho amakhulu oomatshini asebenza ngaxeshanye, oku kwahlukana kokungcangcazela kubalulekile ekugcineni uzinzo lwenkqubo kunye namazinga okuvelisa.
Izicelo kwi-Ecosystem yokuvelisa i-Semiconductor
Ukudityaniswa kwezinto zegranite ezichanekileyo kugubungela phantse zonke iinkqubo ezibalulekileyo kwizixhobo zokwenza izinto ze-semiconductor. Ukuqonda ezi zicelo kubalulekile kwiinjineli kunye nabenzi bezigqibo zokuthenga abanomsebenzi wokucacisa izinto ezihlangabezana neemfuno zokusebenza ezichanekileyo.
Iziseko zoMatshini weLithography
Iinkqubo ze-lithography zanamhlanje, ngakumbi oomatshini be-ultraviolet extreme (EUV) abasebenza kwi-13.5nm wavelength, bamele eyona nto iphambili kubunjineli bokuchaneka. Ezi nkqubo zifuna iipleyiti zesiseko se-granite kunye neendibano zesikhokelo see-rail ezibonelela ngendawo yokubhekisa ezinzileyo kakhulu yokubeka i-nanoscale. Ukudibana kweempawu ze-granite zokungcangcazela-ukudambisa—eziphindwe kathathu ukuya kahlanu kune-cast iron—kunye nokuhlala kwayo ixesha elide kuqinisekisa ukuphindaphindwa kweendawo ezingaphantsi kwe-5 nanometers, imfuneko engenakufezekiswa ngezinto eziqhelekileyo.
Ingozi ayinakuba phezulu: umatshini omnye we-lithography we-EUV uxabisa ngaphezulu kwe-$150 yezigidi, kwaye naluphi na ukungalingani kwemilinganiselo kwiziseko zawo kuthetha ngokuthe ngqo kwiitships ezineziphene kunye nokulahleka kwemveliso. Abavelisi bezixhobo bachaza ngakumbi izinto zegranite ezinokunyamezelana okuthe tyaba ngaphantsi kwe-2 micrometers ngemitha yesikwere ukuqinisekisa ukuba ezi mfuno zinzima ziyafezekiswa rhoqo.
Amaqonga eSiteji sokuBearing Air
Iinkqubo zokuthwala umoya zegranite ziye zaba ngumgangatho oqhelekileyo wezigaba zokuphatha nokuhlola iiwafer ezichanekileyo. Iindlela ezicwangcisiweyo ezenziwe ngegranite echanekileyo zibonelela ngendawo yokubhekisa intshukumo engenasiphako, xa idityaniswe netekhnoloji yokuthwala umoya, ivumela ukuchaneka kwe-sub-micron ngaphandle kokuveliswa kweesuntswana. Olu sebenzi olungenangcoliseko lubaluleke kakhulu kwiindawo ezicocekileyo apho neesuntswana ezincinci zinokutshabalalisa iiwafer ezibizayo.
Indlela yomoya yegranite kufuneka igcine ulungelelwaniso kunye nokunyamezelana okulinganayo okulinganiswe kwii-micrometers ngemitha nganye, kunye nobunzima bomphezulu obuhlala buchazwe ngaphantsi kwee-micrometers ezi-2 ngemitha yesikwere. Ezi mfuno zifuna ababoneleli abanolwazi olubonakalayo kwiindlela zokusila ngokuchanekileyo kunye nokulepha. Iinkcukacha zokulungelelanisa ukufakwa kwezo ndlela zomgaqo zihlala zifuna ukuqinisekiswa kwe-laser interferometer, kunye neempazamo ezivumelekileyo ezilinganiswe ngamaqhezu nje e-millimeter.
Iiplatfomu zokuCwangciswa kweWafer kunye neMetrology
Ngaphaya kwe-lithography, iindawo zegranite ezichanekileyo zisebenza njengesiseko sezixhobo ze-chemical mechanical polishing (CMP), iinkqubo zokubeka ifilimu encinci, izixhobo zokuhlola i-wafer, kunye noomatshini bokulinganisa abalungelelanisiweyo abasetyenziselwa ukuqinisekiswa kwe-wafer geometry. Ukusetyenziswa ngakunye kufuna indibaniselwano ethile yokusithamba, uburhabaxa bomphezulu, kunye nokumelana neekhemikhali okunokunikezelwa yigranite ekhethwe ngononophelo necutshungulwayo kuphela rhoqo.
Iinkqubo zeMetrology zineemfuno ezifuna kakhulu. Oomatshini bokulinganisa abadibeneyo (CMM) abasebenzisa iipleyiti zomphezulu wegranite kufuneka bagcine ukuchaneka kobukhulu bayo kangangeminyaka emininzi besetyenziswa rhoqo. Izixhobo zegranite zeprimiyamu zibonakalise amandla okugcina iinkcukacha zobungakanani obuthe tyaba obungaphezulu kwe-0.5 micrometers ngemitha yesikwere kangangexesha elingaphezulu kweminyaka elishumi elinesihlanu, nto leyo ebonisa uzinzo olungaqhelekanga lwexesha elide.
Iinkcukacha zobuGcisa ezibalulekileyo zoKhetho lweCandelo
Ukuvavanya izinto zegranite ezichanekileyo kufuna ukuqonda iseti yeeparameter zobugcisa ezidibeneyo. Ezi nkcukacha zimisela ukuba ingaba into ethile iya kufezekisa iimfuno zezixhobo ze-semiconductor zokusebenza.
Ubuninzi bezinto kunye noBume bazo
Uxinano lwegranite echanekileyo lusebenza njengophawu lomgangatho wezinto ezisetyenzisiweyo kunye nokuqina kwesakhiwo. Igranite esebenza kakuhle kwizicelo ze-semiconductor idla ngokubonisa uxinano olungaphezulu kwe-3,000 kg/m³, kunye negranite emnyama yeprimiyamu efikelela malunga ne-3,100 kg/m³. Olu xinano luhambelana ngokuthe ngqo neempawu zokungcangcazela okuphezulu kunye nozinzo oluhlala ixesha elide.
Okubaluleke ngokufanayo bubunyani bezinto ezibonakalayo. Eli shishini liye labona iimeko apho abathengisi batshintsha imabula—into eneempawu zomzimba eziphantsi kakhulu—ngegranite yokwenyani. Nangona ifana ngokubonakalayo, imabula ayinabo ubulukhuni, uzinzo lobushushu, kunye nokuqina okufunekayo kwizicelo ze-semiconductor. Ubulukhuni be-Mohs yegranite yokwenyani buqala kwi-6 ukuya kwi-7, xa kuthelekiswa ne-3 ukuya kwi-4 yemabula, kwaye i-coefficient yokwandisa ubushushu yemabula iphindwe kabini kuneyegranite. Iziphumo zokutshintshwa okunjalo zinokuqala ekugugeni komphezulu ngaphambi kwexesha ukuya ekusileleni ngokupheleleyo kwezixhobo.
IiMetriki zoMgangatho woMphezulu
Ukuthamba komphezulu mhlawumbi yeyona nkcazelo ibalulekileyo kwizicelo ze-semiconductor. Imigangatho yeshishini imisela amanqanaba okuchaneka aqala kumanqanaba orhwebo (±0.02mm/m²) afanelekileyo kwizicelo zokusebenza ngomthi, ukuya kumanqanaba okuchaneka (±0.005mm/m²) asetyenziswa kwizixhobo zeemoto, ukuya kumanqanaba okuchaneka okuphezulu kakhulu (±0.0015mm/m²) afunekayo kwiinkqubo zokulungelelanisa i-optical kunye nezixhobo ze-semiconductor.
Ukufezekisa ezi mfuneko kufuna iinkqubo zokuleqa ngesandla ezicokisekileyo eziye zaphuculwa ziingcali ezinobuchule kangangeminyaka emininzi yokusebenza. Ukusila ngomatshini ngokuzenzekelayo kunokufikelela kwezi nkcukacha, kodwa inyathelo lokugqibela lokuleqa ngesandla lihlala libalulekile ekufikeleleni kwinqanaba le-sub-micrometer elifunwa zizicelo ze-semiconductor.
Uburhabaxa bomphezulu, obulinganiswa njengexabiso leRa, kufuneka buhlale bungaphantsi kwe-0.2 micrometers kwizicelo ezibandakanya iibheringi zomoya okanye izinto ezibonakalayo. Eli nqanaba lokugqiba lisusa imithombo yokungcangcazela kwe-micro kwaye liqinisekisa ukusebenza kakuhle kweebheringi. Ukufezekisa ezi nkcukacha kufuna izixhobo zoomatshini eziphambili kunye neenkqubo zokulawula umgangatho ezingqongqo.
Ukusebenza kobushushu kunye nokusingqongileyo
I-coefficient yokwandiswa kobushushu ifanelwe ingqalelo ekhethekileyo xa kucaciswa izinto zezixhobo ze-semiconductor eziphambili. Izinto zegranite zeprimiyamu zibonisa ii-coefficients zokwandiswa kobushushu ezingaphantsi kwe-4.5×10⁻⁶/°C, kunye nemiphumo ye-hysteresis ehlala ngaphantsi kwe-0.2 micrometers ngemitha nokuba emva kwamawaka emijikelo yobushushu ngokwemigangatho ye-ISO 8512-2.
Ukumelana nokufuma kunye nokungangeni kweekhemikhali kugqiba iimfuno zokusebenza kokusingqongileyo. Iindawo zegranite ezingenamibhobho zimelana nokuhlaselwa ziikhemikhali ezivela kwiigesi zenkqubo kunye nezisombululo zokucoca, kunye nokuzinza kwe-pH okuboniswe kuluhlu oluqala kwi-1 ukuya kwi-14. Ukususwa kokwakheka okungashukumiyo kubaluleke ngokulinganayo, njengoko ukutsalana kwe-electrostatic kunokutsala amasuntswana kwiindawo ezibuthathaka ze-wafer.
Ukuvavanya kunye nokuBanika abaNikezeli abafanelekileyo
Ubunzima bobuchwephesha bezinto ezichanekileyo zegranite kwenza ukukhetha umthengisi kube sisigqibo esibalulekileyo seshishini esinefuthe lexesha elide ekusebenzeni kwezixhobo kunye neendleko zokugcinwa kwazo.
Isiqinisekiso kunye noQinisekiso loMgangatho
Abavelisi abadumileyo kufuneka babonise ukuthobela imigangatho yenkqubo yolawulo eyaziwayo kwihlabathi liphela. Isatifikethi se-ISO 9001 sibonisa ukuzinikela kwiinkqubo zolawulo lomgangatho, ngelixa isatifikethi se-ISO 14001 kunye ne-ISO45001 sibonisa ukuzinikela kuxanduva lokusingqongileyo kunye nokhuseleko lomsebenzi ngokulandelelana. Ukumakishwa kwe-CE kuqinisekisa ukuhambelana nemigangatho yempilo, ukhuseleko, kunye nokhuseleko lokusingqongileyo yaseYurophu. Phakathi kwabavelisi behlabathi, i-ZHHIMG Group imi njengomvelisi we-precision granite kuphela ophethe zonke ezi satifikethi zine ngaxeshanye.
Ngaphaya kweenkqubo zolawulo lomgangatho, khangela isiqinisekiso semetrology esinokulandeleka ngokwemigangatho yesizwe, njengeengxelo zokulinganisa ezinokulandeleka ze-NIST e-United States okanye iziqinisekiso ze-national metrology institute ezifanayo kwezinye iindawo.
Iziseko zoPhuhliso
Iziseko zophuhliso lwemveliso zithetha lukhulu malunga nokukwazi komthengisi ukuhlangabezana neemfuno ezifunekayo rhoqo. Izalathisi eziphambili ziquka iimeko zokuvelisa ezilawulwa yimozulu—ezibalulekileyo ekugcineni ukuchaneka kobukhulu ngexesha lokucubungula—kunye nezixhobo zemetrology eziphambili ezikwaziyo ukuqinisekisa ukunyamezelana kwamanqanaba angaphantsi kwe-micrometer.
Izixhobo ezixhotyiswe ngeenkqubo zokulinganisa ngokuchanekileyo zeGerman Mahr ezifikelela kwisisombululo se-0.5 micrometer, izalathisi zenqanaba leSwiss Wyler, kunye ne-Renishaw laser interferometers zibonisa ukuzinikela ekuchanekeni kokulinganisa okuhambelana nokuchaneka kwazo koomatshini. Ukufumaneka kwezakhono ezinkulu zokucubungula, kubandakanya ukukwazi umatshini izixhobo ezifikelela kwiimitha ezingama-20 ubude, ububanzi obuyi-4,000mm, kunye nobukhulu obuyi-1,000mm kuba yinto ebalulekileyo njengoko izixhobo ze-semiconductor ziqhubeka nokukhula ngobukhulu. Abanye abavelisi baqhuba ii-workshops ezilawulwa yimozulu ezidlula iimitha zesikwere ezili-10,000 kunye nemisele yokwahlulahlula enobubanzi obuyi-500mm kunye nobunzulu obuyi-2,000mm ukuthintela ukudluliselwa kokungcangcazela okungqongileyo.
Ukuqinisekiswa kwezinto kunye nokulandeleka kwazo
Cela iziqinisekiso ezineenkcukacha zezinto ezisetyenzisiweyo kuquka uhlalutyo lokwakheka kwezimbiwa, uvavanyo lwepropathi ebonakalayo, kunye namaxwebhu emvelaphi. Ababoneleli kufuneka bagcine iirekhodi ezipheleleyo ezibonisa ukuba izinto zegranite ziyahlangabezana neemfuno ezithile zoxinano, ukufunxwa, kunye nokwandiswa kobushushu. Amanqanaba okufunxwa kwamanzi kufuneka ahlale engaphantsi kwe-0.01% kwizicelo zeprimiyamu.
Abavelisi abathembekileyo benza uvavanyo olubanzi kwimithombo eyahlukeneyo yegranite kwihlabathi liphela, begcina iingxelo ezineenkcukacha zohlalutyo lokusebenza kohlobo ngalunye lwezinto. Le ndlela yesayensi yokukhetha izinto iqinisekisa umgangatho ohambelanayo kuzo zonke iibhetshi zemveliso kwaye ikhusela abathengi kwimiba yokutshintshwa kwezinto ezichaphazela ishishini rhoqo.
Iingqwalasela zeNdlela yoShishino kunye neXesha elizayo
Imarike yezinto zegranite ezichanekileyo ikhula ngenxa yokwanda kweshishini le-semiconductor, kunye noqikelelo olubonisa ukunyuka okuqhubekayo kwemfuno ekupheleni kweminyaka elishumi. Iindlela ezahlukeneyo zibumba imeko-bume yexesha elizayo.
Ubuchwepheshe obuphambili bokupakisha, kubandakanya uyilo lwe-chiplet kunye nokufakwa kwe-3D, kudala usetyenziso olutsha lwe-granite echanekileyo kwizixhobo zokubopha kunye nokuhlola. Kwangaxeshanye, ukuqhubela phambili ukuya kubukhulu obukhulu be-wafer—ukutshintsha ukusuka kwi-300mm ukuya kwi-450mm yokucubungula—kuya kufuna izinto zegranite zobukhulu obungazange bubonwe ngaphambili, kuvavanywa imida yamandla okuvelisa.
Uphuhliso lwezinto luyaqhubeka kunye nokusetyenziswa kwegranite yendabuko. Izakhiwo ze-hybrid ezidibanisa igranite nezinto ze-ceramic okanye ezidityanisiweyo ziyavela kwizicelo ezifuna ibhalansi ethile yokuqina, ubunzima, kunye nokusebenza kobushushu. Igranite eqinisiweyo yefayibha yekhabhoni inika iimpawu eziphuculweyo zokudambisa, ngelixa izixhobo ze-silicon carbide zibonelela ngomlinganiselo ophezulu wokuqina-ubunzima kwizicelo ezithile zenkqubo yokuhamba.
Kwiingcali zokuthenga kunye nabaphathi bezobuchwephesha, ukuhlala unolwazi malunga nolu phuhliso ngelixa usakha ubudlelwane nabathengisi abanobuchule nabaqinisekisiweyo kuya kuba yimfuneko ekugcineni inzuzo yokhuphiswano kwimarike yezixhobo ze-semiconductor eyandayo.
Ukulungele ukuphonononga izisombululo zegranite ezichanekileyo ezenzelwe ngokukodwa iimfuno zokwenziwa kwe-semiconductor? Ndwendwelawww.ZHHIMG-group.comukufumanisa indlela izakhono zokuvelisa eziqinisekisiweyo kunye neminyaka emininzi yobuchule obuchanekileyo obunokuxhasa ngayo uphuhliso lwezixhobo zakho zesizukulwana esilandelayo.
Ixesha leposi: Meyi-18-2026