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China Sapphire Al2O3 Crystal Substrate 2-8 Inch Diameter 0.25-1mm Thickness Double Side Polished for Optical Lenses for sale

Sapphire Al2O3 Crystal Substrate 2-8 Inch Diameter 0.25-1mm Thickness Double Side Polished for Optical Lenses

Price Negotiable
Price: Negotiable
MOQ: 5 Pieces
Delivery Time: 1-4 weeks
Brand: CSIMC
Product Description
Sapphire Al₂O₃ Crystal Substrate Overview

High-purity synthetic sapphire substrates featuring ultrathin double-side polishing for superior optical performance in demanding applications.

Key Advantages
  • Exceptional hardness and scratch resistance (Mohs 9)
  • High thermal stability and chemical inertness
  • Superior optical clarity and transmission characteristics
  • Precision engineering for demanding optical applications
Sapphire crystal substrate showing polished surface and optical clarity Close-up view of sapphire substrate edge and surface finish Multiple sapphire substrates arranged for quality inspection
Optical Properties
PropertySpecification
Transmission Range0.17 to 5.5 μm
Refractive Index1.75449 (o) 1.74663 (e) at 1.06 μm
Reflection Loss11.7% (o-ray) / 14.2% (e-ray) at 1.06 μm
Absorption Index0.3 × 10⁻³ cm⁻¹ at 2.4 μm
dN/dT13.7 × 10⁻⁶ at 5.4 μm
dn/dm = 01.5 μm
Physical Specifications
ParameterSpecification
OrientationR-plane, C-plane, A-plane, M-plane or custom
Orientation Tolerance±0.3°
Diameter Options2", 3", 4", 6", 8" or custom
Diameter Tolerance0.1mm (2"), 0.2mm (3"), 0.3mm (4"), 0.5mm (6")
Thickness Options0.25mm, 0.33mm, 0.43mm, 0.65mm, 1mm or custom
Thickness Tolerance25μm
TTV≤10μm (2"), ≤15μm (3"), ≤20μm (4"), ≤25μm (6")
BOW≤10μm (2"), ≤15μm (3"), ≤20μm (4"), ≤25μm (6")
Front SurfaceEpi-Polished (Ra
Back SurfaceFine ground (Ra=0.6μm~1.4μm) or Epi-polished
Sapphire substrate quality control and inspection process Acceptance check procedure for sapphire crystal substrates
Quality Assurance & Handling
Important Handling Instructions
  • Packaged in Class 100 clean room environment
  • Fragile product - handle with extreme care
  • Inspect outer carton condition upon receipt
  • Open vacuum packaging only in clean room environment
  • Document any damage before removing from packaging
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Company Hangzhou Freqcontrol Electronic Technology Ltd.
Location Room 1106, CIBC, No.198 Wuxing Rd, Hangzhou, P.R.China
Contact Person Xu

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