Rise Optoelectronics (Hangzhou) Co.,Ltd.

Fused Quartz&Silica wafers

Item No.: FQW
Running typical material:Corning :Fused silica 7980/7978/7979 etc.
local : Fused Silica JGS1/JGS2 & Single quartz etc.
Diameter capacity Up to 450mm(4”/6”/8”/12”/350mm/450mm)
Thickness 30μm or more(0.1mm/0.2mm/0.3mm/0.5mm/1mm etc)
Dimensional Tolerance +/- 25μm
Thickness Tolerance +/- 5μm
Thickness Variation(TTV) < 2μm
Flatness 1/10 Wave/Inch
Surface Roughness (RMS) <5Ǻ
Scratch and Dig 10/5
Description
ROHz uses a variety of fused quartz&silica depending on the application and material requirements. Our designers and engineers are skilled at working with any number of quartz materials to machine and fabricate precision optical products.
Typical applications list:
  1. UV-quality quartz glass components/UV-measurement technology
  2. Highest temperature applications
  3. Optical quartz glass window/substrate/cover slips/microscope slides
  4. Low thermal expansion SiO2 windows
  5. Space technology & Semiconductor industry

 
Basic materials characteristics  
Coefficient of Thermal Expansion (CTE) 0.52 ppm/K @ 5-35°C/0.57 ppm/K @ 0-200°C/0.48 ppm/K @ -100 - 200°C
Young's Modulus:                          72.1 GPa
Shear Modulus: 30.6 GPa
Modulus of Rupture, abraded:          52.4 MPa  
Bulk Modulus:                    37.4 GPa  
Poisson's Ratio:                 0.179
Density (at 25°C / 77°F):                 2.201 g/cm3   
Knoop Hardness (100g load): 522 kg/mm2          
Compressive Strength:    1.14 GPa   
Tensile Strength:       54 MPa         
Strain Point:       893°C/1639.4°F
Annealing Point:       1042°C/1907.6°F
Softening Point:      1585°C/2885°F
Specific Heat:              0.770 J/g K      
Thermal Conductivity:              1.38 W/mK
Thermal Diffusivity: 0.0075 cm2/s
Refractive Index: Nd = 1,45840 (589nm)    
Dielectric Constant: E= 3.8 

Running spec:
Running typical material Corning :Fused silica 7980/7978/7979 etc.
local : Fused Silica JGS1/JGS2 & Single quartz etc.
Diameter capacity Up to 450mm(4/6/8/12/350mm/450mm)
Thickness 30μm or more(0.1mm/0.2mm/0.3mm/0.5mm/1mm etc)
Dimensional Tolerance +/- 25μm
Thickness Tolerance +/- 5μm
Thickness Variation(TTV) < 2μm
Flatness 1/10 Wave/Inch
Surface Roughness (RMS) <5Ǻ
Scratch and Dig 10/5
Particle Size <10μm
Bow/Warp <10μm
Customized is available

Review