Efere Alumina dị ọcha nke e ji ígwè gwerie ihe maka ịkpụcha ihe
St.Cera'sefere seramiiki e ji egweri iheA na-emepụta ya site na 99.8% alumina dị ọcha (Al₂O₃) maka nhazi na ngwa ịkpụcha ihe. Ike ịkpụcha ihe anyị na-enweta ịdị larịị nke 0.003mm, nhazi nke 0.002mm, na njedebe elu nke Ra0.1, na-eme ka mwepụ ihe dị iche iche dị n'elu efere ahụ dum. Efere ahụ na-enye ezigbo nguzogide iyi (Vickers 16 GPa), ike flexural dị elu (361 MPa), na nkwụsi ike okpomọkụ ruo 800°C. Dị na usoro gburugburu ruo dayameta 600mm na efere akụkụ anọ ruo ogologo 1500mm. E nwere ebe a na-akpọ grioved (obosara oghere 0.5–2.0mm) maka nkesa slurry na usoro ịkpụcha ihe. A na-enyocha efere ọ bụla site na iji laser interferometer ma nye ya akụkọ nha ziri ezi.
Nkọwapụta (dabere na 99.8% Al₂O₃& ikike mmepụta St.Cera):
| Akụ na ụba | Uru |
| ihe | 99.8% Alumina (Ivory) |
| Njupụta | 3.93 g/cm³ |
| Ike nke Flexural | 361 MPa |
| Ike Vickers | 16 GPA |
| Dayameta Mpụta (kachasị) | 600mm |
| Ogologo (kachasị) | 1500mm |
| Ọkpụrụkpụ (kachasị) | 100mm |
| Ịdị larịị | 0.003mm |
| Iyikọ yiri ibe ya | 0.002mm |
| Mmecha Elu | Ra0.1 |
| Oke okpomọkụ ọrụ kachasị | 800°C |
Ngwa:
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- · Nchikota azụ nke wafer semiconductor
- · Ịmepụta ihe anya na-eme ka ọ dị ọcha
- · Mbelata ihe owuwu ukwu
Ike nkenke:
- · Nhazi kwụ ọtọ: 0.005mm
- · Nkwụsi ike: 0.005mm
- · Gburugburu: 0.002mm
