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UV Grade Clear Quartz Substrate Fused Silica Wafer Fused Quartz Wafer Optical Grade

HENAN ZG INDUSTRIAL PRODUCTS CO.,LTD

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Address: No. 26, Dongqing Street, High-tech Zone, Zhengzhou ,Henan, China

Contact name:Daniel

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HENAN ZG INDUSTRIAL PRODUCTS CO.,LTD

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UV Grade Clear Quartz Substrate Fused Silica Wafer Fused Quartz Wafer Optical Grade

Country/Region china
City & Province zhengzhou henan
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Product Details

high quality clear quartz substrate , including fused silica wafer and fused quartz wafer in UV grade , optical grade an

 

We provides high quality clear quartz substrate , including fused silica wafer and fused quartz wafer in UV grade , optical grade and semiconductor grade . Quartz wafer have many unique features such as high working temperature , high anti corrosion , good thermal conductivity , high optical transmittance and low dielectric loss , these special features make quartz wafer suitable for semiconductor , photomask , microwave filter , optical lense , and optical fiber application . Quartz wafer can be fabricated in round or square shape , with a SEMI flat or without flat , one side polished or two sides polished , size from 1" to 12 " , thickness range from 0.4 , 0.5 , 0.7 , 1.1 to 3 mm , ultrasonic cleaning and cleanroom compatible wafer cassette package are also available. Additionally , we offer custom specifications designed to your unique needs including , dimension , SEMI. standard flats , surface roughness , edge profile , thickness , flatness , surface quality , cleanliness package method . We have amorphous quartz wafer in stock and can machine to your specification with high precision surface finish . Please contact us for further product information .

Quartz Wafer Feature

 

High working temperatureHigh optical transmission
High stabilityHigh anti corrosion
Good thermal conductivitylow dielectric loss
Stable dielectric constantSuperior mechanical properties

What's differences ?

 
Fused silica wafer
( Synthetic silica )
Fused quartz wafer
( Natual silica )
High OH content >1200Low OH content > 150
Higher transmission in the UV rangeLower transmission in the UV range
Free bubbles and inclusionsContain bubbles and inclusions
Very low fluorescenceHigh fluorescence
Impurity 5 ppmImpurity 20 ~ 40 ppm

 

Quartz Wafer Properties

 
Chemical formulaSiO2
Mechanical Properties 
Density2.2 g / cm3
Poisson's ratio0.14 ~ 0.17
Young's modulus72000 Mpa
Rigidity modulus31000 Mpa
Moh's hardness5.5 ~ 6.5
Thermal Properties 
Transformation point1120 °C
Softening point1680 °C
Specific heat ( 20 ~ 350 °C )670 J / kg °C
Thermal conductivity ( 20 °C )1.4 W / m °C
Thermal expansion coefficient5.5×10 -7 cm / cm °C
Electrical Properties 
Resistivity7E7 ohm-cm
Insulating strength250 ~ 400 Kv / cm
Dielectric constant e3.7~ 3.9
Dielectric absorption coefficient.< 4E4
Dielectric waste coefficient.< 1E4
Optical Properties 
Refractive index ( @ 589 nm )Nd =1.4584

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