MSE PRO 4 inch Sapphire Wafer C-Plane Single or Double Side Polish Al<sub>2</sub>O<sub>3</sub> Single Crystal

Sapphire Wafer, 4 inch, C-plane (0001), Prime Grade Customized sapphire wafers and windows are available upon request Product SKU#: WA0408 for single side polished, WA0409 for double side polished Material: High Purity, >99.99%, single crystal Al2O3 Dimension: 100.0 mm +/- 0.1 mm Thickness: 650 um +/- 25 um (SSP) , 600 um +/- 25 um (DSP) Lattice Parameter: a=4.785 A, c=12.991 A Density: 3.98 g/cm3 Orientation: C plane sapphire (0001) off M plane 0.2+/- 0.1 degree, R-plane (1-102), A-plane (11-20), M-plane (10-10) are available. Primary flat orientation: A-plane +/- 0.2 degree Primary flat length: 30.0 +/- 1 mm Total Thickness Variation (TTV): <20 um Bow: <20 um Warp: <20 um Thermal Expansion Coefficient: 6.66 x 10-6 / °C parallel to C axis, 5 x 10-6 /°C perpendicular to C axis Dielectric Strength: 4.8 x 105 V/cm Dielectric Constant: 11.5 (1 MHz) along C axis, 9.3 (1 MHz) perpendicular to C axis Dielectric Loss Tangent (a.k.a. dissipation factor): less than 1 x 10-4 Thermal Conductivity: 42W/(m.K) at 20℃ Polishing: single side polished (SSP) front side epi-ready surface Ra < 0.5 nm (AFM), back side fine-ground Ra = 0.8 ~ 1.2 um, or double side polished (DSP) both front and back sides epi-ready surface Ra < 0.5 nm (AFM)

MSE PRO 4 inch Sapphire Wafer C-Plane Single or Double Side Polish Al<sub>2</sub>O<sub>3</sub> Single Crystal

Sapphire Wafer, 4 inch, C-plane (0001), Prime Grade

Customized sapphire wafers and windows are available upon request

  • Product SKU#: WA0408 for single side polished, WA0409 for double side polished
  • Material: High Purity, >99.99%, single crystal Al2O3
  • Dimension: 100.0 mm +/- 0.1 mm
  • Thickness: 650 um +/- 25 um (SSP) , 600 um +/- 25 um (DSP)
  • Lattice Parameter: a=4.785 A, c=12.991 A
  • Density: 3.98 g/cm3
  • Orientation: C plane sapphire (0001) off M plane 0.2+/- 0.1 degree, R-plane (1-102), A-plane (11-20), M-plane (10-10) are available.
  • Primary flat orientation: A-plane +/- 0.2 degree
  • Primary flat length: 30.0 +/- 1 mm
  • Total Thickness Variation (TTV): <20 um
  • Bow: <20 um
  • Warp: <20 um
  • Thermal Expansion Coefficient: 6.66 x 10-6 / °C parallel to C axis, 5 x 10-6 /°C perpendicular to C axis
  • Dielectric Strength: 4.8 x 105 V/cm
  • Dielectric Constant: 11.5 (1 MHz) along C axis, 9.3 (1 MHz) perpendicular to C axis
  • Dielectric Loss Tangent (a.k.a. dissipation factor): less than 1 x 10-4
  • Thermal Conductivity: 42W/(m.K) at 20℃ 
  • Polishing: single side polished (SSP) front side epi-ready surface Ra < 0.5 nm (AFM), back side fine-ground Ra = 0.8 ~ 1.2 um, or double side polished (DSP) both front and back sides epi-ready surface Ra < 0.5 nm (AFM)
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Immediate payment is required upon selecting "Buy It Now" or upon checking out through the cart.

We accept payment via U.S. PayPal accounts and all Major Credit Cards, Debit Cards & Google Pay.

We are legally required to collect sales tax in those states and localities where we maintain a physical presence (nexus).

The applicable amount of sales tax charged to an order will be calculated based on the shipment destination's state and local sales tax laws.

Thank you for shopping with us on eBay!

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Additional Information:
"Broken or damaged items must be reported immediately upon receiving your package (within 5 business days upon delivery). All materials and equipment are considered as received in good condition upon signature of delivery confirmation. Please inspect these items for damage prior to signing off on the condition. If it becomes necessary to return a damaged item to MSE Supplies, please contact us for a Return Merchandise Authorization (RMA) number within 30 days of receipt of the product. MSE Supplies must receive the product within 15 days of MSE Supplies issuing the Return Merchandise Authorization (RMA). The product must be in the original packaging or the return will be rejected. RMA numbers must appear on the packing list and items being returned must be packaged and shipped in accordance with all applicable regulation. All items are subject to a 25% restocking fee. \r\n\r\nItems not returnable for credit include: open or damaged containers; materials past their expiration date or with an expiration date too short for resale; custom or special orders; non-recurring engineering (NRE) cost charged to the order, and chemicals of any type. Any supplies or equipment that have been uséd and are being returned for a warranty repair may require that a decontamination form be filled out. Please contact MSE Supplies for this form."