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12inch Diameter 300mm 1.0mm Double Side Polished Sapphire Wafers

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12inch Diameter 300mm 1.0mm Double Side Polished Sapphire Wafers

Large Image : 12inch Diameter 300mm 1.0mm Double Side Polished Sapphire Wafers

Product Details:

Place of Origin:	china
Brand Name:	zmsh
Model Number:	dia

Payment & Shipping Terms:

Minimum Order Quantity:	25pcs
Price:	by case
Packaging Details:	Vacuum-sealed containers with nitrogen backfill in a class 100 environment
Delivery Time:	10-30days
Supply Ability:	10000pcs/months

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Detailed Product Description

Material:	99.999％ Al2O3	Industry:	Led，optical Glass，eli-ready Wafer
Application:	Semicondutor Wafer, Led Chip, Optical Glass Window, Electronic Ceramics	Color:	White Or Red Or Blue
Vision Light Transmissivity:	85％	Advantagement:	High Hardness9.0，wear Resistance,
Type:	Single Crystal
Highlight:	Polished Sapphire Crystal Glass Wafers , Double Side Sapphire Crystal Wafers , 300mm Sapphire Wafer

ultrathin sapphire glass wafer ,4inch 0.5mm C-axis sapphire wafer for epi-ready,sapphire thick glass lens for covering,sapphire optical windows,4inch 0.3mm thickness sapphire wafer,

Scientists have developed a new method for creating sapphire wafers with high optical quality for use in microfluidic devices. A 12-inch sapphire wafer of optical grade is made of a material with a large diameter and high thickness. This material is able to hold up to extreme pressures and temperatures, while also being very strong. The new method is based on a combination of two technologies: chemical vapor deposition and thermal evaporation.

Chemically, sapphire is single crystal aluminum oxide (Al2O3), and is useful in a transmission range from 0.2 - 5.5µm.Sapphire , so making them ideal materials for demanding applications (such as laser systems) because of their extreme surface hardness, high thermal conductivity, high dielectric constant and resistance to common chemical acids and alkalis. And sapphire also is the second hardest crystal next to diamonds and, because of their structural strength, sapphire windows can be made much thinner than other common dielectric windows with improved transmittance.
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Material Sapphire(Al2O3)
Density(20°C) Kg/m3   3.98×103
Crystal Structure   hexagonal
Crystal lattice constant a=4.785Å c=12.991 Å
Mohs hardness 9
Melting Point   2045°C
Boiling Point 3000°C
Coefficient of Thermal Expansion α=5.8×10 -6 /K
Specific heat 0.418W.s/g/k
Thermal conductio 25.12W/m/k(@100°C)
Refractive Index (nd)   no=1.768ne=1.76
dn/dt   13×10-6/K(@633nm)
Tranmission T≈85%(0.3~5um)
Permittivity   11.5(//c), 9.3(⊥c)

Applications
Sapphire Washers, Sapphire Windows, Sapphire Bearings, Sapphire Rods, Sapphire Tubes, Ruby
sapphire wafer, dome sapphire, Sapphire insulation Film, Sapphire ball lens, Sapphire/ruby ball

4inch 0.3mm 0.5mm thickness sapphire wafer specification
Material: Single crystal Al2O3 99.999％
Orientation: C-plane(0001) Off M -axis 0.2°±0.1

Diameter:300±0.2mm or 3inch,2inch,5inch,6inch
Thickness :1500±25um or1000±15um,
Primary flat:notch (or round wafer)

OF Orientation flat: A axis±0.1°
Frontside Surface Roughness:Ra＜0.3nm
Backside Surface Roughness: 0.8~1.2um
( Or double side polished, both side Ra＜0.2nm)
TTV:＜25um BOW:-30~0um WARP:＜65um
Laser Mark Series No. by needs
Package:Vacuum-sealed containers with nitrogen backfill in a class 100 environment