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Fearures:
Sapphire substrate is the popular substrates for III-V nitrides, superconductor and magnetic epi film due to less mis-matched lattice and stable chemical and physical properties.
Wafer size: 5 mm x 5 mm x 0.5 mm thick
Orientation tolerance: +/-0.5 Deg. C plane orientation
Polished surface: substrate surface is EPI polished via a special CMP procedure with Ra
1 side polished
Package: Each wafer is packed in 1000 class clean room with 100 grade plastic bag with wafer container.
Precaution: R plane sapphire wafer is easy to cleave compared with C plane's. Please handle it with a careTypical Properties:
Crystal Structure: Hexagonal. a=4.758 Angstroms c=12.99 Angstroms,
Melting Point: 2040 degree C
Density: 3.97 gram/cm2
Growth Technique: CZ
crystal purity: >99.99%
Hardness: 9 ( mohs)
Thermal Expansion: 7.5x10-6 (/ oC)
Thermal Conductivity: 46.06 @ 0 oC 25.12 @ 100 oC, 12.56 @ 400 oC ( W/(m.K) )
Dielectric Constant: ~ 9.4 @300K at A axis ~ 11.58@ 300K at C axis
Loss Tangent at 10 GHz: -5 at A axis , -5 at C axis
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Al2O3 Wafers
Wafers and Ingots up to 8" in stock
C-plane, A-M-R - SSP and DSP Epi
www.Sapphire-Wafer.com
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High Purity Alumina
Omega Piezo Alumina Ceramics
Custom Designs & Manufacturing
www.omegapiezo.com
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Temporary Wafer Bonding
Spin-on polymer and a remover
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www.BrewerScience.com
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Alumina Ceramic Products
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www.marketech-ceramics.com
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USA Ceramic Manufacturer
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www.cetektechnologies.com
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CoorsTek Advanced Ceramic
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Alumina Products
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www.ortechceramics.com
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Sapphire Wafer, All Sizes
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Substrates Manfg and Reclaim Serv
www.epistone.com/sapphire.htm
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Si Wafers and Services
Wafers Built to Order, Custom Specs
Silicon Wafers. Metal Layers, Oxide
www.surfaceprocess.com
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Advanced Sapphire Wafers
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www.sapphire-wafers.com
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Diamond
A smarter way to shop for diamonds.
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www.bluenile.com
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Sapphire
Windows, tubes, cylinders, crystals
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www.roditi.com
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Alumina
1000's of Homeopathic Remedies
from Tx Options: a Hyland's Company
www.txoptions.com/singles.php
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TaiSiC | Fine ceramics
sintered silicon carbide| alumina
zirconia | SiC | Taiwan Manufacture
www.taisic.com
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