高纯氧化铝饼（应用于蓝宝石晶体）
High purity alumina block for sapphire crystal
|
项目Item |
单位Unit |
规格Specification |
|
|
4N5 |
4N8 |
||
|
Al2O3 |
% |
99.995 |
99.998 |
|
Na |
ppm |
<6.0 |
<3.0 |
|
Fe |
ppm |
<5.0 |
<3.0 |
|
Ca |
ppm |
<2.0 |
<1.0 |
|
Si |
ppm |
<6.0 |
<5.0 |
|
Cu |
ppm |
<3.0 |
<1.0 |
|
Mg |
ppm |
<5.0 |
<1.0 |
|
Ti |
ppm |
<2.0 |
<1.0 |
|
Zn |
ppm |
<5.0 |
<1.0 |
|
Mn |
ppm |
<5.0 |
<1.0 |
|
Ga |
ppm |
<5.0 |
<1.0 |
|
其他others |
ppm |
<1.0 |
<0.5 |
|
总计total |
ppm |
<50 |
<20 |
|
物理特性Physical Characteristics |
||
|
块体大小 Size |
Ø48~60mm |
形状规格可根据客户要求定制生产 Customizable upon request |
|
晶型 Crystal Type |
α |
|
|
外观 Appearance |
白色块体， 无肉眼可见杂质 |
|
|
真密度True Density |
g/cm3 |
＞3.5 |
可根据客户要求定制生产高纯度碎晶料
Note: high purity polycrystalline alumina and other products are customizable upon request