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Quartz diffusion boat, Wafer Carrier/ Wafer boat, Pickling bracket, high purity sillicon

Name: Quartz diffusion boat, Wafer Carrier/ Wafer boat, Pickling bracket, high purity sillicon
Brand: Crowea Quartz Maunufature
SKU: CQFQ28WCLS01
Price: 189 USD
Availability: InStock

SKU: CQFQ28WCLS01

.Wafer boats are made of ultra-high purity quartz for diffusion, oxidation and annealing up to 1200℃.
.Each boat can only carry one size wafers up to 25 pieces from 1" to 12" diameter by 0.5 mm thick seperately.
.Tubes to match the boat available on request.
Please Email us of call for any custom production.

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Description

Quartz Glass Performance Parameters
density:	2.21g/cm³
Degree of Hardness Moh's Scale	5.5~7.0
Surface finish:	60/40
purity:	99.95%
Long-term use temperature:	1100 ℃
Poisson's ratio:	0.18
Thermal expansion coefficient	（@20~320℃）(5.5)×10^(-7)cm/cm.℃
Compression Strength	>1.1 X 10^9 Pa
Tensile Strength	4.8 X 10^ Pa
Flexuosity	5‰
Melting point:	1683 ℃
Softening Point:	1450℃
Annealing point:	1213℃
Resistivity lohm [email protected]℃	8.0×107ohm cm
Dielectric Constant (IMHZ)	4.76
Dielectric strength	5×10⁷V/M
Dielectric Loss Coefficient	38×10⁴
Shrinkage	67.56
Shear wave velocity	3.75×10³m/S
longitudinal wave velocity	5.9×10³m/S
Sound attenuation rate	≤ 11db/m MHZ
maximum operating temperature	1000℃≤9000h
maximum operating temperature	1100℃≤3000h
Acid resistance:	ISO719/DIN12116 min S3
Alkali resistance:	ISO695/DIN52322 min A2
Length and width error:	±0.5mm
Thickness error:	±0..2mm