Mumunda we semiconductor wafer yekucheka, kukanganisa kwe 0.001mm kunogona kutopa kuti chip isashande. Iyo inoratidzika seisina kukosha yegranite base, kana mhando yayo yatadza kuzadzisa zviyero, ichiri kusundira chinyararire kugadzirwa kwako kumucheto wenjodzi uye mutengo wakakwira! Ichi chinyorwa chinokutora iwe zvakananga kune njodzi dzakavanzwa dzezvigadziko zvepasi, kuchengetedza kuchekwa chaiko uye kugona kwekugadzira.
Iyo "isingaonekwe bhomba" yezvigadziko zvegranite zvisingaite
1. Runaway thermal deformation: Muurayi anouraya wekururama
Yakaderera-mhando granite ine yakawandisa coefficient yekuwedzera kwekupisa. Pasi penzvimbo yepamusoro-yekushisa yekucheka kwewafer (kusvika 150 ℃ mune dzimwe nzvimbo), inogona kuita deformation ye0.05mm/m! Nekuda kwekupisa kwekupisa kwehwaro mune imwe wafer yekugadzira chirimwa, saizi yekutsauka kweiyo yakachekwa wafers yakapfuura ± 5μm, uye chiyero chechimwe-batch chakakwira kusvika 18%.
2. Kusakwana kwesimba rekugadzirisa: Hupenyu hwesevhisi hwemidziyo "yakapetwa"
Mabhesi asina kukwana ane density yakaderera kupfuura 2600kg/m³ ane 50% kudzikiswa mukusapfeka uye akatarwa manyepo ekutakura mutoro. Pasi pekucheka kazhinji kudengenyeka, pamusoro pechigadziko chinowanzopfeka uye micro-cracks inooneka mukati. Nekuda kweizvozvo, mumwe mudziyo wekucheka wakaraswa makore maviri pamberi penguva, uye mutengo wekutsiva wakapfuura miriyoni imwe.
3. Kusagadzikana kwemakemikari: Corrosion yakazara nengozi
Granite isingaenderane nezviyero ine kusimba kushoma kwegora. Iyo asidhi uye alkali zvikamu mumvura yekucheka zvishoma nezvishoma zvinosvibisa chigadziko, zvichikonzera kuparara kwe flatness. Dhata kubva kune imwe rabhoritari inoratidza kuti nekushandisa mabhesi epasi, kutenderera kwemidziyo kwakapfupikiswa kubva pamwedzi mitanhatu kusvika kumwedzi miviri, uye mutengo wekugadzirisa wakawedzera katatu.
Nzira yekuziva sei njodzi? Mana Makiyi Ekuyedza Mapoinzi Aunofanira Kuverenga!
✅ Density test: High quality granite density ≥2800kg/m³, pazasi uku kukosha porosity chirema chinogona kuvapo;
✅ Coefficient of thermal expansion test: Kumbira mushumo wekuedzwa we <8×10⁻⁶/℃, kwete "high temperature deformation king";
✅ Flatness verification: Yakayerwa nelaser interferometer, flatness inofanira kunge iri ≤± 0.5μm/m, zvikasadaro iyo yekucheka inotarisisa inoenderana nekuchinja;
✅ Mvumo yekusimbisa certification: Simbisa ISO 9001, CNAS uye zvimwe zvitupa, ramba "vatatu-kwete" base.
Kurinda chaiko kunotanga kubva pachigadziko!
Kuchekwa kwega kwega pawafer kwakakosha pakubudirira kana kukundikana kwechip. Usarege zvigadziko zvegranite zvisingaite kuti zvive "chigumbuso" kune chaiyo! Dzvanya kuti utore "Wafer Cutting Base Quality Assessment Manual", nekukurumidza tsvaga njodzi dzemidziyo, uye uvhure yakakwirira-chaiyo mhinduro dzekugadzira!
Nguva yekutumira: Jun-13-2025