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DIA 4 Inch SGGG Wafer YIG Film Substrates

Categories Single Crystal Substrates
Brand Name: Crystro
Model Number: CR251027-01
Certification: SGS/ROHS/REACH
Place of Origin: China
MOQ: 5pc
Payment Terms: T/T, Western Union, MoneyGram, Paypal
Supply Ability: 1000pcs per month
Delivery Time: 4-5weeks
Packaging Details: Transparent clean box
Material: SGGG
Flatness: <1/10 wave at 633nm
name: DIA 4 Inch SGGG Wafer YIG Film Substrates
Crystal growth orientation: (100), (111)
Maximum size: 4 inch diameter
Diameter Tolerance: ±0.05mm
Length Tolerance: ±0.2mm
Thickness: 0.63mm,0.5mm,1.4mm
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DIA 4 Inch SGGG Wafer YIG Film Substrates

DIA 4 Inch SGGG Wafer YIG Film Substrates

SGGG single crystal, e.g. substituted gadolinium gallium garnet is grown by Czochralski method .
SGGG crystals with calcium, magnesium and zirconium as substituting ions, which are used as the substrates for the growth of bismuth-substituted iron garnet epitaxial films, which is good material for YIG,and BIG flim
Our Company:
Crystro has perfect automatic production machine, the current products are mainly concentrated in the YAG, TGG, TSAG,GGG ,LGS,Ce:GAGG ,Ce:YAG and Ce: LuYAG crystals.
We also established a crystal research center and developed different kinds of crystals. Keep providing technical support and training for new applications and product development staffs.

Crystal properties
Crystal growth methodCzochralski
Crystal growth orientation(100), (111)
Maximum size4 inch diameter
VariationsDopands on request
Crystallographic properties
Crystallographic structureCubic
a = 12.505 Å SGGG
MineralogicalGarnet
Twinning structurePerfect
ColourColourless / Brownish SGGG
Physical properties
Density7.09 g/cm3
Melting point1730 °C
Hardness7.5 (Mohs)
Dielectric constant30
Dielectric loss tangent (10 GHz)ca. 3.0 * 10_4
Optical properties
Transmission range0.3 to 7.0 mm
Refraction index:nd = 1.9708 at 577 nm


CRYSTRO supply GGG crystal with:


Orientation<111> <100> within ±15 arc min
Wave Front Distortion<1/4 wave@632
Diameter Tolerance±0.05mm
Length Tolerance±0.2mm
Chamfer0.10mm@45º
Flatness<1/10 wave at 633nm
Parallelism< 30 arc Seconds
Perpendicularity< 15 arc min
Surface Quality10/5 Scratch/Dig
Clear Apereture>90%
Large Dimensions of Crystals2.8-100 mm in diameter
Buy DIA 4 Inch SGGG Wafer YIG Film Substrates at wholesale prices
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