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Thickness 0.4mm 0.5mm 0.7mm Technical Ceramic Parts Borofloat Wafer

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HENAN ZG INDUSTRIAL PRODUCTS CO.,LTD

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Thickness 0.4mm 0.5mm 0.7mm Technical Ceramic Parts Borofloat Wafer

Brand Name : ZG

Model Number : MS

Certification : CE

Place of Origin : CHINA

MOQ : 1 piece

Price : USD10/piece

Payment Terms : L/C, D/A, D/P, T/T, Western Union, MoneyGram

Supply Ability : 10000 pieces per month

Delivery Time : 3 working days

Packaging Details : Strong wooden box for Global shipping

Application : surface acoustic wave ( SAW device ) , piezoelectric resonator , microwave filters , pressure sensor , and MEMS

Diameter : Ø 1" / Ø 2" / Ø 3" / Ø 4"/ Ø 6" / Ø 8"/ Ø 12"

Thickness : 0.4 mm / 0.5 mm / 0.7 mm / 1.1 mm

Grade : SAW grade and optical grade

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Borofloat wafer

We provides Borofloat glass wafer in diameter range from 1" to 12 " . Borofloat glass have many unique characteristics such as Low Thermal Expansion Coefficient which is suitable for anodic bonding to silicon application , Good thermal shock resistance , High resistance to acid / alkali , and High transmission . These special features makes Borofloat glass wafer as a top choice for many industry applications . Borofloat glass wafer can be fabricated in round or square shape , with a SEMI standard flat or Notch , one side polished or two sides polished , 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. In addition , 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 various glass substrates in stock and can machine to your specification with high precision surface finish . Contact us for further information .

Borofloat Wafer Properties

Chemical formula	SiO2
Mechanical Properties
Density	2.23 g / cm3
Poisson's ratio	0.14 ~ 0.17
Young's modulus	62.75 Gpa
Knoop Hardness	480
Thermal Properties
Short-term operating temperature	500 °C
Long-term operating temperature	450 °C
Thermal conductivity ( 90 °C )	1.2 W / (m. K)
Thermal expansion coefficient	3.25 ×10 -6 K-1
Electrical Properties
Resistivity ( ohm-cm )	8@250 °C / 6.5@350 °C
Loss Tangent	37 x 10-4
Dielectric constant e	4.6
Optical Properties
Refractive index ( @ 589 nm )	Nd =1.472
Viscosity Properties
Working point	1270 °C
Softening point	820 °C
Annealing point	560 °C
Strain point	518 °C
Chemical Properties
Acid resistance	class 1
Alkali resistance	class 2
Hydrolytic resistance	class 1
Composition
SiO2	81%
B2O3	13%
Na2O / K2O	4%
Al2O3	2%

Product Specification

Diameter	Ø 1" / Ø 2" / Ø 3" / Ø 4"/ Ø 6" / Ø 8"/ Ø 12"
Square size	10 x 10 / 20 x 20 / 50 x 50 / 100 x 100 / 200 x 200 mm
Thickness	0.4 mm / 0.5 mm / 0.7 mm / 1.1 mm
Surface	one side polished / two sides polished
Flat	SEMI.Std. flat or Notch
TTV	<= 15 um
Roughness	Ra <=10 A
Surface quality	60 / 40
Package	Ampak cassette / jar

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