2" 3" 4" 6" Sapphire Wafer Al2O3 Crystal Substrate Double Side Polished with 0.25-1mm Thickness for Optical Applications
Price:
Negotiable
MOQ:
5 Pieces
Delivery Time:
1-4 weeks
Brand:
CSIMC
Product Description
Sapphire Wafer Overview
Our precision-engineered sapphire wafers (Al₂O₃ crystal substrates) deliver exceptional optical performance with double-side polishing. These high-purity substrates offer superior durability, thermal stability, and optical clarity for demanding electronic and optical applications.
Optical Properties
| Property | Specification |
|---|---|
| Transmission | 0.17 to 5.5 μm |
| Refractive Index | 1.75449 (o) 1.74663 (e) at 1.06 μm |
| Reflection Loss | At 1.06 microns (2 surfaces) for o-ray - 11.7%; for e-ray - 14.2% |
| Absorption Index | 0.3 × 10⁻³ cm⁻¹ at 2.4 μm |
| dN/dT | 13.7 × 10⁻⁶ at 5.4 μm |
| dn/dm = 0 | 1.5 μm |
Technical Specifications
| Parameter | Value |
|---|---|
| Orientation | R-plane, C-plane, A-plane, M-plane or specified orientation |
| Orientation Tolerance | ±0.3° |
| Diameter | 2", 3", 4", 6", 8" or custom sizes |
| Diameter Tolerance | 0.1mm (2"), 0.2mm (3"), 0.3mm (4"), 0.5mm (6") |
| Thickness | 0.25mm, 0.33mm, 0.43mm, 0.65mm, 1mm or custom |
| Thickness Tolerance | 25μm |
| TTV | ≤10μm (2"), ≤15μm (3"), ≤20μm (4"), ≤25μm (6") |
| BOW | ≤10μm (2"), ≤15μm (3"), ≤20μm (4"), ≤25μm (6") |
| Front Surface | Epi-Polished (Ra |
| Back Surface | Fine ground (Ra=0.6μm~1.4μm) or Epi-polished |
| Packaging | Class 100 clean room environment |
Quality Assurance & Handling
Acceptance Check
- Products are fragile and adequately packed with fragile labeling
- Delivered through premium domestic and international express services
- Handle with care upon receipt and inspect outer carton condition
- Open vacuum packaging in clean room environment only
- Document any transit damage with photos/videos before removing from packaging
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Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
Hangzhou Freqcontrol Electronic Technology Ltd.
Location
Room 1106, CIBC, No.198 Wuxing Rd, Hangzhou, P.R.China
Contact Person
Xu