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Chubu Chotsogolera Cholondola cha Ceramic cha Kugwirizanitsa Waya ndi Kufa
Chubu chotsogolera cha ceramic cha St.Cera chimapangidwa kuchokera ku alumina ya 99.5% kapena zirconia yokhazikika ya yttria, yomwe imapereka kukana kwambiri kuwonongeka komanso bore yosalala yamkati (Ra ≤0.2 μm). Machubu awa ndi ofunikira kwambiri mu ma bond a waya, makina olumikizira, ndi zida zoyikira, mawaya olumikizira, ma capillaries, kapena ma vacuum nozzles omwe alibe kukangana kwakukulu komanso osadetsa tinthu tating'onoting'ono.
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High-Purity Alumina Ceramic Core ya Zokonza za Semiconductor
Chitsulo cha alumina cha St.Cera chimapangidwa ndi 99.8% ya Al₂O₃ yoyera kwambiri, yomwe imapereka mphamvu ya dielectric yapamwamba kwambiri (15×10⁶ V/m), kukhazikika kwa kutentha mpaka 1600°C, komanso kukana kugwedezeka pansi pa katundu. Zitsulozi zimagwiritsidwa ntchito ngati zida zomangira mu zida zotenthetsera kutentha kwambiri, maziko a heater, ma plasma chamber liners, ndi ma insulators amagetsi. Kulimba kwa chipangizochi (16 GPa) komanso kuyamwa madzi pang'ono (0%) kumatsimikizira kudalirika kwa nthawi yayitali m'malo ovuta.
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Alumina-Based Standard Vacuum Chuck – Kulimba Kwambiri pa Machining Olondola
Chotsukira cha vacuum chopangidwa ndi alumina ichi chimapangidwa kuchokera ku 99.8% Al₂O₃, chomwe chimapereka malo osalala opanda mabowo okhala ndi mapatani apadera a vacuum groove. Chimapereka kulimba kwapadera (Young's modulus 380 GPa) komanso kusalala (≤3 μm), zomwe zimapangitsa kuti chikhale choyenera kupukutira, kulumikiza, ndi kudula ma wafers a semiconductor ndi zigawo zina zowunikira. Kutentha kwakukulu kwa chinthuchi (32 W/m·k) kumatsimikizira kuti kutentha kumakhala kofanana panthawi yokonza.
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ST.CERA Yopangidwira Mphete ya Alumina Ceramic ndi Ceramic Disc
Zopangidwa ndi kukanikiza kozizira kwa isostatic ndikuzimitsidwa ndi kutentha kwambiri, kenako nkupangidwa ndi makina opangidwa bwino ndikupukutidwa, zida zosinthira za ceramic zimatha kukwaniritsa zofunikira zilizonse za zida za semiconductor ndi mawonekedwe ake monga kukana kuwonongeka, kukana dzimbiri, kukulitsa kutentha pang'ono, komanso kutchinjiriza. Zida za ceramic zimatha kugwira ntchito mumitundu yosiyanasiyana ya zida zopangira semiconductor zokhala ndi kutentha kwambiri, vacuum kapena mpweya wowononga kwa nthawi yayitali.
Yopangidwa ndi ufa wa alumina woyeretsedwa kwambiri, wokonzedwa ndi kukanikiza kozizira kwa isostatic, kutentha kwambiri komanso kutsirizitsa molondola, imatha kufika pamlingo wololera mpaka ± 0.001 mm, pamwamba pake Ra 0.1, kukana kutentha 1600℃.
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Zipangizo Zopangira Semiconductor Zoyenera Kwambiri za Ceramic Chuck
Zopangidwa ndi kukanikiza kozizira kwa isostatic ndikuzimitsidwa ndi kutentha kwambiri, kenako nkupangidwa ndi makina opangidwa bwino ndikupukutidwa, zida zosinthira za ceramic zimatha kukwaniritsa zofunikira zilizonse za zida za semiconductor ndi mawonekedwe ake monga kukana kuwonongeka, kukana dzimbiri, kukulitsa kutentha pang'ono, komanso kutchinjiriza. Zida za ceramic zimatha kugwira ntchito mumitundu yosiyanasiyana ya zida zopangira semiconductor zokhala ndi kutentha kwambiri, vacuum kapena mpweya wowononga kwa nthawi yayitali.
Yopangidwa ndi ufa wa alumina woyeretsedwa kwambiri, wokonzedwa ndi kukanikiza kozizira kwa isostatic, kutentha kwambiri komanso kutsirizitsa molondola, imatha kufika pamlingo wololera mpaka ± 0.001 mm, pamwamba pake Ra 0.1, kukana kutentha 1600℃.
