Indasitiri yesemiconductor inoshanda pamiganhu yezviri kuyerwa uye zvinogadzirwa. Maseketi emazuva ano akabatanidzwa ane ma transistors ane urefu hwegedhi huri pasi pe3 nanometers - zviyero apo atomu imwe chete yesilicon inomiririra chikamu chakakosha chehukuru hwechinhu chakakosha. Masisitimu e lithography, maturusi ekuongorora wafer, uye michina ye metrology inogadzira uye inosimbisa maumbirwo aya inofanirwa kuwana kururama kwenzvimbo, kupatsanurwa kwe vibration, uye kugadzikana kwezvikamu izvo zvingadai zvakaita sezvisingaite makumi maviri emakore apfuura.
Asi mukati memakamuri aya azere netekinoroji inoshamisa, chimwe chezvinhu zvakakosha zvekuvaka chinhu chekare: granite. Granite nhema yakagadzirwa nemazvo, inodzorwa nekupisa, ndiyo musimboti wezvivakwa zvemapuratifomu mazhinji epamusoro-soro emidziyo ye semiconductor pasi rose. Kunzwisisa kuti sei - uye nei granite yese isina kufanana - kunojekesa chikamu chakakosha uye chinowanzo furatirwa cheinjiniya yemidziyo ye semiconductor.
Nzvimbo yeMidziyo yeSemiconductor: Zvinofanira Kurarama neBase
Sisitimu yekuvhenekesa mifananidzo (scanner kana stepper) inoshanda munzvimbo yakachena umo huwandu hwezvinhu zviri mumhepo hunodzorwa kusvika pamazinga eClass 1 kana Class 10 - zvichireva kuti zvidiki pane 1 kana 10 zvidimbu pa cubic foot yemhepo pa 0.5 μm kana kupfuura. Midziyo yacho pachayo inofanira kuwana mukana wekudzokorora nzvimbo iri pasi pe 1 nanometer, overlay accuracy pasi pe 2 nanometers, uye focus uniformity pa 300 mm wafer mukati me 2 nanometers.
Danho rewafer rinoita izvi rinofamba nekumhanya kunopfuura mita imwe pasekondi, rinokurumidzisa uye rinodzikamisa kumhanya pakufamba kunopfuura 10 g, uye rinodzokorora kutenderera uku kanopfuura zviuru paawa — awa yega yega, zuva rega rega, kwemakore. Hwaro hwegranite hunotsigira danho iri hahufanirwe kupfava, kutsvedza, kana kurira nenzira dzinokanganisa chiyero chenzvimbo yedanho. Rinofanira kuramba rakagadzikana padanho rekushanda kwemuchina. Uye rinofanira kuita zvese izvi zvakavimbika kwehupenyu hwese hwekushanda kwesystem, hunogona kuva makore gumi kana kupfuura.
Aya haasi mamiriro ekushanda akapfava. Anoda zvakanyanya chikamu chimwe nechimwe — kusanganisira hwaro hwegranite hunoita sehusina kusimba.
Kuzviparadzanisa Nekunyungudika Uye Kunyorovesa: Kubatsira Kwemuviri kweGranite
Zvivako zve semiconductor zvinoisa mari yakawanda mukupatsanura mafungu emagetsi — kubva panheyo dzechivako (dzinogona kuiswa pamadziro epneumatic isolators) kusvika kumasystem anoshanda ekudzima mafungu emagetsi. Asi masisitimu aya ane miganhu. Haakwanise kubvisa mafungu ese, uye haakwanise kupindura ipapo ipapo kumafrequencies ese. Nzvimbo yemuchina wegranite inopa danho rekupedzisira repasipo rekupatsanura mafungu.
Fizikisi yekudzima damping inofarira zvinhu zvine huremu hwakawanda uye kugona kwakanangana nekudzima damping. Granite nhema ine density yakakura - ine chimiro chayo chekristaro chequartz yakavharirwa, feldspar, uye mica crystals - inopa damping yakanaka yemukati yekudzima damping yemakanika kuburikidza nekusanganiswa kwemhedzisiro yehukuru uye kukweshana kwemuganhu wezviyo. Kudengenyeka kunopinda pasi nepasi kana kuburikidza nemasimba ekuita echikamu chinofamba kunonyudzwa uye kunopararira mukati megranite kusati kwatanga kupararira kune masisitimu ekuyera anonzwa.
Granite inoshanda kupfuura simbi panyaya iyi, pasinei nekusimba kwayo kwakanyanya kwekudhonza. Chikonzero chiri muchimiro chekristaro: chimiro chegranite chepolycrystalline granite chinopararira uye chinotora simba rinodedera pamiganhu yezviyo, nepo chimiro chekristaro chesimbi chakarongeka chinoita kuti kudedera kuwedzere. Simbi yakaumbwa iri nani pane simbi pakunyorovesa, ndosaka yaimboshandiswa kare pakugadzira maturusi emuchina chaiwo - asi granite chaiyo iri nani.
Kugadzikana kweThermal: Hwaro hweKudzokorora kweNanometer
Pachikero chenanometer, kugadzikana kwekupisa ndicho chinhu chikuru chinodzora kudzokorora kwehukuru. Kuchinja kwekupisa kwe1°C muchikamu chesimbi chemita imwe kunokonzera kuwedzera kwekupisa kwema micrometer angangoita 11.7 - 11,700 nanometers. Mugranite, kuwedzera kwakafanana kunowanzova 6-8 micrometers, inenge hafu yesimbi. Mumagirazi eceramics ekuwedzera akaderera (akadai seZerodur kana ULE), inongova 0-0.02 micrometers padhigirii rega rega - asi zvinhu izvi zvinodhura zvakanyanya uye zvakaoma kugadzirisa muhukuru hukuru hunodiwa pamidziyo yemuchina.
Pamabhesi emidziyo ye semiconductor, maitiro ekuwedzera kwekupisa kwegranite haafanire kunge akaderera chete asi anofanirwa kufungidzirwa. Vagadziri vanoshandisa CTE inozivikanwa yegranite kugadzira kudzoreredzwa kwekupisa muchikamu.sisitimu yekuyera nzvimboCTE isingatarisirwi kana kuti inosiyana-siyana munzvimbo — iyo inogona kuitika mumhando yakaderera kana granite isina kusarudzwa zvakanaka — inoita kuti kubhadharwa kurege kuitika uye inotungamira kune zvikanganiso zvinoenderana nekupisa izvo zvisingakwanise kuenzaniswa.
Ichi ndicho chimwe chikonzero chinoita kuti kwakabva granite uye kutsanangurwa kwayo zvikoshe mukushandiswa kwemidziyo ye semiconductor. Chinhu chacho chinofanira kutsanangurwa sehunhu hwekupisa - kwete kungotaurwa chete se "granite nhema" - uye chinofanira kusangana nezvinodiwa zvakaenzana zve density uye homogeneity zvinoita kuti hunhu hwayo hwekupisa hufanane muchikamu chose.
Nzvimbo dzeGranite Dzinobereka Mhepo: Chinongedzo Chinofamba
Masisitimu mazhinji ekufambisa emidziyo ye semiconductor anoshandisa ma air bearings — mafirimu matete emhepo ine pressure inobvumira matanho kufamba pamusoro penzvimbo ine reference pasina kukweshana uye kusashanda zvakanaka. Ma air bearings anopa kufamba kwakanaka kwe sub-nanometer, hapana maitiro ekutsvedza (izvo zvinogona kukanganisa nanometer-scale positioning), uye hapana kusvibiswa kwemafuta kunogona kukanganisa nharaunda ye cleanroom.
Kushanda kwemhepo inoyerera kunoenderana zvakanyanya nepamusoro payo. Kukanganisa kwekutsetseka panzvimbo yemhepo inoyerera kunova zvikanganiso zvekuisa nhanho. Kusagadzikana kwepamusoro kunokanganisa kugadzikana kwefirimu remhepo. Chinhu chinofanira kunge chakaoma zvakakwana kuti chisaparare kana firimu remhepo rikaputsika kwenguva pfupi panguva yekushanda. Uye chinhu chinofanira kunge chinoenderana nekupisa kwechikamu uye sisitimu yekupa mweya kudzivirira kuwedzera kwakasiyana kunochinja mukana wemhepo.
Granite chaiyo, yakamonerwa kusvika yati sandara kupfuura 1 μm pamusoro pedaro rekufamba kwebheyaringi uye yakakweshwa kusvika Ra iri pasi pe 0.1 μm, inosangana nezvose zvinodiwa izvi. Kusanganiswa kwekuomarara kwakanyanya (kunodzivirira kupfekwa), kusasimba kwepamusoro (kutsigira mafirimu emhepo akagadzikana), uye kugadzikana kwehukuru (kuchengetedza kusatambarara nekufamba kwenguva) kunoita kuti granite ive chinhu chinosarudzwa chekushandisa nzvimbo dzekutarisa mhepo mukushandisa semiconductor inoda simba.
Kuongororwa kweGranite muWafer uye Zvishandiso zveMetrology
Kupfuura lithography, granite ine mabasa akakosha zvakaenzana mumidziyo inoshandiswa kuongorora nekuyera mawafer e semiconductor. Kuskena ma electron microscope (SEMs), focused ion beam (FIB) systems, optical defect inspection tools, uye overlay metrology systems zvese zvinoshandisa mabhesi akagadzikana, asina vibration kuti zviite kuti kuyera kwadzo kuve kwakarurama.
Microscope yekuongorora maerekitironi (CD-SEM) inoyera upamhi hwegedhi re3 nanometers inofanira kutora mufananidzo ne sub-nanometer accuracy. Chero kudedera pakati pemuenzaniso nedanda remaerekitironi panguva yekutora mufananidzo kunodzima mufananidzo uye kunounza kusava nechokwadi kwekuyera. Hwaro hwegranite hunoparadzanisa danho remuenzaniso kubva mukudedera kwepasi, zvichipa nharaunda yakanyarara yemakanika umo kuyerwa kweatomu kunogoneka.
Saizvozvowo, masisitimu e optical scatterometry uye maturusi e wafer geometry anoshandisa ma granite bases uye nzvimbo dzekutarisa kuchengetedza hukama hwe geometrical pakati pematanda ekuyera nepamusoro pe wafer. Kurongeka kwekuyera kwechishandiso chose - icho chinosarudza kana wafer ichipfuura kana kuti ichikundikana kuongororwa - pakupedzisira kunoenderana nekugadzikana kwe granite iri pasi payo.
Mashandisirwo Eindasitiri: Mepu Yechikamu cheGranite muKugadzira Semiconductor
Kuti unzwisise hupamhi hwebasa regranite mukugadzira semiconductor, funga nezvemhando dzemidziyo uko zvikamu zvegranite zvakanyatsonaka zvinowanikwa nguva dzose: ma photolithography scanners nema steppers (wafer stage bases, reticle stage bases, reference frames); michina ye chemical mechanical planarization (CMP) (conditioning disc reference surfaces, measurement stages); wafer inspection systems (stage bases, reference mirror, vibration isolation platforms); metrology machines anosanganisira scatterometers, ellipsometers, uye interferometric overlay tools; wafer handling and transport systems uko dimensional stability inodzivirira wafer kukuvara; electron beam inspection and lithography systems; uye ion implantation machines uko beam positioning stability yakakosha.
Mune imwe neimwe yeiyi nzira yekushandisa, granite haisi chinhu chinopinzwa muzvinhu asi chinhu chakakosha chekugadzirisa zvine hunhu hwayo hunonyatso ratidza kugona kwesystem. Musiyano uripo pakati pechinhu chegranite chakagadzirwa kusvika ±10 μm flatness uye chimwe chakagadzirwa kusvika ±0.5 μm flatness hakusi kuvandudzwa kwe20 × — ungave musiyano uripo pakati pechishandiso chinozadzisa zvinodiwa zvacho uye chimwe chisingakwanise.
Kutsvaga Granite Yakakodzera Yekushandisa Semiconductor
Zvichienderana nezvinodiwa nemashandisirwo ema semiconductor, kusarudzwa uye kusarudzwa kwemutengesi wegranite chisarudzo chakakosha cheinjiniya. Kupfuura zvinodiwa nezvinhu zvepakutanga - density, thermal expansion coefficient, flatness grade - vatengi vanofanirwa kuongorora kugona kwemutengesi kuyerwa chaiko (vanogona here kusimbisa zvavanoti vanobudirira?), ruzivo rwavo nekushandisa michina ye semiconductor, kusimba kwesystem yavo yekutarisira mhando, uye kugona kwavo kuchengetedza kuenderana muzvikamu zvekugadzira.
Cheni yekugovera zvinhu muindasitiri yesemiconductor hairegereri: chikamu chakarurama chinotadza kuzadzisa zvinodiwa chinogona kunonotsa kuendeswa kwemidziyo, kukanganisa data rekugadzira, kana kuda kugadziriswa kwemunda kunodhura. Mutengo wechigadziko chegranite chakanyatsokodzera zvinodiwa hauna kukosha kana tichienzanisa nemutengo wechinhu chisingakwanise kuzadzisa zvinodiwa.
Mhedziso
Basa reGranite mumidziyo yesemiconductor harionekwe nevakawanda vanoriona — rakavanzwa pasi pematekinoroji anoyevedza emalaser, maerekitironi, uye nanoscale optics. Asi inyaya huru. Kururama uye kudzokororwa kwemidziyo yekugadzira semiconductor kunoenderana nekugadzikana kwayo, kugadzikana kwevibration, uye kunaka kwepamusoro pezvikamu zvegranite.
Sezvo indasitiri ye semiconductor ichiramba ichikwidza saizi dze transistor pasi pemiganhu iripo, zvinodiwa pachikamu chimwe nechimwe chiri mumichina - kusanganisira granite base - zvichawedzera chete. Vagadziri vanogona kupa zvikamu zve granite zvinosangana nezvinodiwa izvi zviri kuchinja, nedata rekuyera rakasimbiswa kuti riratidze izvozvo, vachatamba basa rakakosha mukugonesa chizvarwa chinotevera che tekinoroji ye semiconductor.
Nguva yekutumira: Chikumi-30-2026