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China Cut Angle Lithium Niobate Wafer 3-8 Inch for SAW Devices and Optical Waveguides with 1142°C Curie Temperature for sale

Cut Angle Lithium Niobate Wafer 3-8 Inch for SAW Devices and Optical Waveguides with 1142°C Curie Temperature

Price Negotiable
Price: Negotiable
MOQ: 5 pcs
Delivery Time: 1-4 weeks
Brand: BonTek
Product Description
Product Overview

Cut Angle Lithium Niobate (LiNbO3) wafers are engineered for Surface Acoustic Wave (SAW) devices and optical waveguide applications. These artificial crystal materials deliver exceptional electro-optic, nonlinear, and piezoelectric performance, making them ideal for optical modulators, piezoelectric sensors, mobile communications, and various linear/nonlinear optical systems.

Key Specifications
Product3", 4", 6", 8" LN Wafer (SAW/Optical Grade)
Cut AngleX / Z / Y41° / Y64° / Y128° / YZ / YX or Customized
Curie Temperature1142°C ± 3°C
Doping OptionsZn, MgO single or double doping available
Surface FinishSingle or double side polish (DLP/SLP/SSP/DSP)
Thickness0.18mm, 0.25mm, 0.35mm, 0.50mm, 1.00mm+
TTV< 1-5µm
BOW±25µm to ±40µm
Warp≤35µm
LTV (5mm×5mm)<1.5µm
PLTV (<0.5µm)≥98% (5mm×5mm with 2mm edge excluded)
Edge SpecificationSEMI M1.2 compliant with GC800#, typically C-type
Orientation FlatsAvailable upon request
Polished Side RoughnessRa ≤ 5Å
Back Side RoughnessRa: 0.5-1.0µm (GC#1000)
Edge RoundingSEMI M1.2 / IEC62276 compliant
Surface QualityNo cracks, saw marks, or stains
SAW Propagation Characteristics
DescriptionPropagationDesignSurface Wave Velocity (m/s)Coupling Coefficient k² (%)Group Delay Time Temp Coefficient (ppm/°C)Propagation Loss of SAW (dB/cm)
127.86° Y-CutX-AxisSAW39805.575-
64° Y-CutX-AxisL, SAW474211.370-
41° Y-CutX-AxisL, SAW479217.250-
Y-CutZ-AxisSAW34884.9940.31 (1GHz)
Manufacturing Capabilities

BonTek specializes in LN reduction and doping technologies, offering MgO:LN, Nd:Mg:LN, and Fe:LN variants in 3", 4", 6", and 8" diameters for various orientations. With over 30 years of experience in piezoelectric materials, we provide superior angle precision and custom fabrication services.

Product Images
Lithium Niobate wafer close-up showing crystal structure and surface finish Lithium Niobate wafer with orientation markings and polished surface Multiple Lithium Niobate wafers displayed in protective packaging Lithium Niobate wafer technical specifications and measurement data Lithium Niobate wafer production quality control and inspection process
Frequently Asked Questions
What are your primary product specialties?
We are piezoelectric wafer specialists with 30 years of experience, starting with Single Crystal Quartz and expanding to LiNbO3, LiTaO3, Quartz glass, LGS, and CTGS. We are particularly renowned for quartz blanks with superior angle precision in AT, SC, and IT cuts.
Do you accept product customization?
Yes, we fabricate according to customer specifications. Our extensive experience allows us to provide technical guidance for optimal wafer selection. Standard wafers are also available from inventory.
Can you ship via our preferred courier?
We accommodate all major international carriers including DHL, FedEx, and UPS. You can use your account or we can arrange shipping with our discounted rates.
How do you ensure product safety during shipping?
We use specialized packaging with buffer sponge and fragile labeling. Please follow our acceptance check procedure: inspect outer carton condition, photograph packaging before opening, handle in clean room, and immediately document any damage without removing products from packaging.
Acceptance Check Procedure
Step-by-step acceptance check procedure for Lithium Niobate wafer inspection
Important: These products are fragile. We use premium packaging and labeling. Upon receipt, carefully inspect the outer carton, photograph the packaging before opening, and only open vacuum packages in clean room environments. Immediately document any shipping damage with photos/videos and contact us without removing damaged products from packaging.
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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

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