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Double Side Polished Sapphire Optical Windows Custom Size Diameter φ350mm

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    Buy cheap Double Side Polished Sapphire Optical Windows Custom Size Diameter φ350mm from wholesalers
     
    Buy cheap Double Side Polished Sapphire Optical Windows Custom Size Diameter φ350mm from wholesalers
    • Buy cheap Double Side Polished Sapphire Optical Windows Custom Size Diameter φ350mm from wholesalers
    • Buy cheap Double Side Polished Sapphire Optical Windows Custom Size Diameter φ350mm from wholesalers

    Double Side Polished Sapphire Optical Windows Custom Size Diameter φ350mm

    Ask Lasest Price
    Brand Name : zmkj
    Model Number : lens-026
    Price : by case
    Payment Terms : L/C, T/T
    Supply Ability : 500pcs/month
    Delivery Time : 2-4weeks
    • Product Details
    • Company Profile

    Double Side Polished Sapphire Optical Windows Custom Size Diameter φ350mm

    customized size diameter φ350mm dia300mm A-axis C-axis round shape double side poilished Al2O3 sapphire optical glass lens window
    1. what is sapphire ?
    Sapphire is a material of a unique combination of physical, chemical and optical properties,
    which make it resistant to high temperature, thermal shock, water and sand erosion, and scratching.
    It is a superior window material for many IR applications from 3µm to 5µm.
    C-plane sapphire substrates are widely used to grow III-V and II-VI compounds such as GaN for
    blue LED and laser diodes, while R-plane sapphire substrates are used for the hetero-epitaxial
    deposition of silicon for microelectronic IC applications.

    2. specification for optical lens
    Diameter 0.2-350mm or customization for round
    square 5x5mm~400x500mm
    Diameter tolerance +/-0.1mm or +/-0.02mm
    Thickness 0.10-100mm
    Thickness tolerance ± 0.1mm or +/-0.02mm
    Surface quality (scratch & dig) 60/40, 40/20 or better
    Surface accuracy λ/10, λ/2, λ
    Clear Aperture >85%, >90%
    Parallelism +/-3' ,+/-30''
    Bevel 0.1~0.3mm×45 degree
    coating AR, BBAR or upon customer request( UV, VIS, IR)
    specification for led

    OrientationR-plane, C-plane, A-plane, M-plane or a specified orientation
    Orientation Tolerance± 0.1°
    Diameter2 inches, 3 inches, 4 inches, 5inch,6 inches, 8 inches or others
    Diameter Tolerance0.1mm for 2 inches, 0.2mm for 3 inches, 0.3mm for 4 inches, 0.5mm for 6 inches
    Thickness0.08mm,0.1mm,0.175mm,0.25mm, 0.33mm, 0.43mm, 0.65mm, 1mm or others;
    Thickness Tolerance5μm
    Primary Flat Length16.0±1.0mm for 2 inches, 22.0±1.0mm for 3 inches, 30.0±1.5mm for 4 inches, 47.5/50.0±2.0mm for 6 inches
    Primary Flat OrientationA-plane (1 1-2 0 ) ± 0.2°; C-plane (0 0-0 1 ) ± 0.2°, Projected C-Axis 45 +/- 2°
    TTV≤7µm for 2 inches, ≤10µm for 3 inches, ≤15µm for 4 inches, ≤25µm for 6 inches
    BOW≤7µm for 2 inches, ≤10µm for 3 inches, ≤15µm for 4 inches, ≤25µm for 6 inches
    Front SurfaceEpi-Polished (Ra< 0.3nm for C-plane, 0.5nm for other orientations)
    Back SurfaceFine ground (Ra=0.6μm~1.4μm) or Epi-polished
    PackagingPackaged in a class 100 clean room environment


    3. Applications
    --For LED substrate application
    --Sapphire wafer and substrate applications include:
    --Microelectronic IC applications - SOS Silicon-on-Sapphire
    --Growth of superconducting compounds / Gallium Nitride - Infrared detectors
    -- Hybrid microelectronics - Polishing carriers
    --Hostile environment
    --Optical transmission from ultraviolet to near infrared
    --High temperature
    --Radiation resistance

    4 Our products



    FAQ:

    1. Q: Are you a factory or trading company?
    A: ZMKJ is trading company but we have a sapphire factory for wafer process in wuxi city

    2. Q: Where is your factory located?
    A: Our factory located in wuxi city of jiangsu province nearby shanghai city about 1hour driving distance.

    3. Q: What's your MOQ?
    A: MOQ is 3 pcs

    4. Q: Can you accept customization?
    A: Yes, of course

    5. Q: If I place an order now, how long would it be before I got delivery?
    A: It would largely depend on the size of the order and the items you want.
    almost from1-4weeks.

    6. Q: What’s the quality assurance we provided and how do we control quality?
    A: Established a procedure to check products at all stages of the manufacturing process -
    raw materials, in process materials, validated or tested materials, finished goods, etc.
    Besides, we have also developed a procedure which identifies the inspection and test
    status of all items at all stages of the manufacturing process.

    Thanks~~~























































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