A面(11-20)蓝宝石晶片具有均匀的介电常数和高绝缘特性,因此通常用于混合微电子应用,A-plane也可用于高超导体的生长。
例如:TlBaCaCuO(TbBaCaCuO)、Tl-2212,在蓝宝石氧化铈(CeO2)复合衬底上生长异质外延超导薄膜等。

Item | 2-inch A-plane(11-20) 430μm Sapphire Wafers | |
Crystal Materials | 99,999%, High Purity, Monocrystalline Al2O3 | |
Grade | Prime, Epi-Ready | |
Surface Orientation | A-plane(11-20) | |
Diameter | 50.8 mm +/- 0.1 mm | |
Thickness | 430 μm +/- 25 μm | |
Primary Flat Orientation | C-plane(0001) +/- 0.2° | |
Primary Flat Length | 16.0 mm +/- 1.0 mm | |
Single Side Polished | Front Surface | Epi-polished, Ra < 0.5 nm (by AFM) |
(SSP) | Back Surface | Fine ground, Ra = 0.8 μm to 1.2 μm |
Double Side Polished | Front Surface | Epi-polished, Ra < 0.5 nm (by AFM) |
(DSP) | Back Surface | Epi-polished, Ra < 0.5 nm (by AFM) |
TTV | < 10 μm | |
BOW | < 10 μm | |
WARP | < 10 μm | |
Cleaning / Packaging | Class 100 cleanroom cleaning and vacuum packaging, | |
25 pieces in one cassette packaging or single piece packaging. |
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