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    Series Glass & Fused Silica Wafers
    Series Glass & Fused Silica WafersSeries Glass & Fused Silica WafersSeries Glass & Fused Silica WafersSeries Glass & Fused Silica Wafers
    Series Glass & Fused Silica WafersSeries Glass & Fused Silica WafersSeries Glass & Fused Silica WafersSeries Glass & Fused Silica Wafers

    Series Glass & Fused Silica Wafers

    CQT uses a variety of glass and quartz depending on the application and material requirements. Our designers and engineers are skilled at working with any number of glass and quartz materials to machine and fabricate precision optical products such as fused quartz parts for optics, fused silica parts used in fiber optic applications

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    CQT uses a variety of glass and quartz depending on the application and material requirements. Our designers and engineers are skilled at working with any number of glass and quartz materials to machine and fabricate precision optical products such as fused quartz parts for optics, fused silica parts used in fiber optic applications, and borosilicate glass parts found in semi-conductor manufacturing.

    The general specs are as follows sheet, if your specified is not included with it, you may freely tell us and we’ll pleased to customize them for you.


    specunit4"6"8"10"12”
    Diameter/size(or square)mm100150200250300
    Tolerance (±)mm0.20.20.20.20.2
    Thicknessmm0.10 or more0.30 or more0.40 or more0.50 or more0.50 or more
    Primary reference flatmm32.557.5Semi-notchSemi-notchSemi-notch
    LTV (5mmx5mm)µm< 0.5< 0.5< 0.5< 0.5< 0.5
    TTVµm< 2< 3<3<5<5
    Bowµm±20±30±40±40±40
    Warpµm≤ 30≤ 40≤ 50≤ 50≤ 50
    PLTV(5mm*5mm)<0.4um%≥95%≥95%≥95%≥95%≥95%
    Edge RoundingmmCompliant with SEMI M1.2 Standard/refer to IEC62276
    Surface Type
    Single Side Polished /Double Sides Polished
    Polished side Ranm≤1
    Back Side Criteriaµmgeneral 0.2-0.7 or customized


    Material included: Series Glass: Borofloat33/B270/D263/BK7 etc. 

    Series Glass: Eagle XG , Fused Silica 7980/7978/7979 etc. 

    Series Glass: Fused Silica JGS1/JGS2 & Single quartz etc.

    Series Glass: H-K9L glass/ Soda Lime etc. 


    Process capability:


    ItemCapability
    Diameter5mm - 400mm
    Thickness50μm or  more
    Dimensional Tolerance+/- 25μm
    Thickness Tolerance+/- 5μm
    Thickness Variation(TTV)< 2μm
    Flatness1/10 Wave/Inch
    Surface Roughness (RMS)<5Ǻ
    Scratch and Dig10/5
    Particle Size<10μm
    Bow/Warp<10μm
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