Hangzhou Freqcontrol Electronic Technology Ltd.
                                                                                                           
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4 Inch Single Side Polish Lithium Tantalate Wafer 36Y 42Y for Surface Acoustic Wave Applications with 1650°C Melting Point

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

4-inch single-side polished lithium tantalate wafer with 36Y and 42Y orientations specifically engineered for surface acoustic wave (SAW) industry applications. These wafers feature exceptional piezoelectric properties with a large electromechanical coupling ratio of 1:1.5 compared to quartz.

Technical Specifications
PropertyValue
Transmission Range0.275 - 5.25 µm (thickness 8 mm); High transmittance from 0.4 - 4µm
Refractive Indexno = 2.139, ne = 2.139 @633 nm
Reflection Loss13.17%@0.633 µm
Density7.4564 g/cm³
Melting Point1650°C
Molecular Weight235.89
Thermal Conductivity4.6 W/m*K ; 8.78 W/m*K
Specific Heat Capacity424 J/(K*kg)
Hardness (Mohs)750
ApplicationsElectro optic Q-switch, integrated optical substrate, sensor, frequency converter
Wafer Specifications
ParameterSpecification
Material3", 4", 6" Lithium Tantalate wafer SAW/Optical grade
Curie Temperature605°C±3°C
DopingFe
Single DomainCompleted Polarization / Reduced
Orientation36°Y, 42°Y, X-112°Y, Y, Z
Diameter76.2±0.2mm | 100±0.2mm | 150±0.2mm
Primary Flat22±1mm | 32±1mm | 47.5mm, 57.5mm, Notch
Thickness0.07mm~1.0mm | 0.1mm~1.0mm | 0.35mm~1.0mm
Surface FinishSingle / Double side polish / Double side lapped
TTV< 1~5µm
BOW± (20µm ~40µm)
Warp<= 20µm ~ 50µm
LTV (5mmx5mm)<1.5 µm
PLTV (<0.5µm)≥98% (5mm*5mm) with 2mm edge excluded
Polished Side RaRoughness Ra<=5A
Back Side CriteriaRoughness Ra:0.5-1.0µm, GC#1000
Scratch & Dig (S/D)20/10, 40/20, 60/40
Edge ProfileCompl't with SEMI M1.2@with GC800# .regular at C typed
Cracks, Saw Marks, StainsNone
Product Images
4-inch lithium tantalate wafer front view showing polished surface Lithium tantalate wafer side profile demonstrating thickness and edge quality Close-up view of lithium tantalate wafer surface texture and finish Lithium tantalate wafer packaging and handling demonstration Quality inspection of lithium tantalate wafer under controlled lighting
Frequently Asked Questions
What are the products you mainly work on?
We are piezoelectric wafer specialists with over 30 years of experience. We specialize in Single Crystal Quartz, LiNbO3, LiTaO3, Quartz glass, LGS, and CTGS materials. We are particularly recognized for our expertise in quartz blanks with superior angle precision for AT, SC, and IT cuts.
Can you accept product customization?
Yes, we offer complete customization capabilities and can fabricate wafers according to your specific requirements. Our experienced team can also provide technical recommendations if you need guidance. We maintain standard wafer inventory for immediate availability.
Can you deliver the goods via our courier agent?
Yes, we can ship using your preferred courier service (DHL, FedEx, UPS, etc.) via your account. We optimize packaging to minimize shipping costs while ensuring product safety. We also offer our own shipping services with discounted international courier rates.
How can you guarantee we get what we want safely?
We use specialized packaging with buffer sponge and proper cartoning to protect these fragile wafers during transit. Please follow our acceptance check procedure upon receipt, and we will provide replacements or refunds for any damage that occurs during shipping when proper procedures are followed.
Acceptance Check Procedure
Step-by-step acceptance check procedure for lithium tantalate wafers
  • Handle products with care upon receipt and inspect outer carton condition
  • Document packaging condition with photos before removing products
  • Open vacuum packaging only in clean room environments
  • If damage is found, photograph/video immediately without removing from packaging
  • Contact us immediately for resolution of any shipping-related issues

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

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