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SAW Grade LiTaO3 Wafers

  • Unique electro-optic, pyroelectric, piezoelectric and acoustic properties
  • Diameters: 2”, 3”, 4” and 6” 
  • Orientations: Y, Y36 ,Y42, Y48, Y128, X-112Y
  • Crystal ingots, blanks, polished wafers, and customized wafers available
  • Curie Temp and QC Tested
  • Applications: surfaced acoustic wave (SAW) devices, pyroelectric detectors
Inquire for custom product  
Code Material Diameter Thickness Orientation Surface Finish Unit Price Delivery Cart
612-001 SAW LiTaO3 Φ76.2mm 0.35mm Y42-cut SSP Inquire Inquire
612-002 SAW LiTaO3 Φ76.2mm 0.35mm X112-Y SSP Inquire Inquire
612-003 SAW LiTaO3 Φ76.2mm 0.35mm Y42-cut DSP Inquire Inquire
612-004 SAW LiTaO3 Φ76.2mm 0.35mm X112-Y DSP Inquire Inquire
612-005 SAW LiTaO3 Φ76.2mm 0.5mm Y42-cut SSP Inquire Inquire
612-006 SAW LiTaO3 Φ76.2mm 0.5mm X112-Y SSP Inquire Inquire
612-007 SAW LiTaO3 Φ76.2mm 0.5mm Y42-cut DSP Inquire Inquire
612-008 SAW LiTaO3 Φ76.2mm 0.5mm X112-Y DSP Inquire Inquire
612-009 SAW LiTaO3 Φ100mm 0.35mm Y42-cut SSP Inquire Inquire
612-010 SAW LiTaO3 Φ100mm 0.35mm X112-Y SSP Inquire Inquire
612-011 SAW LiTaO3 Φ100mm 0.35mm Y42-cut DSP Inquire Inquire
612-012 SAW LiTaO3 Φ100mm 0.35mm X112-Y DSP Inquire Inquire
612-013 SAW LiTaO3 Φ100mm 0.5mm Y42-cut SSP Inquire Inquire
612-014 SAW LiTaO3 Φ100mm 0.5mm X112-Y SSP Inquire Inquire
612-015 SAW LiTaO3 Φ100mm 0.5mm Y42-cut DSP Inquire Inquire
612-016 SAW LiTaO3 Φ100mm 0.5mm X112-Y DSP Inquire Inquire

Lithium tantalate (LiTaO3), referred to as LT, belongs to the trigonal system, with a distorted perovskite structure and point group c63vr3c. Lithium tantalate crystals appear to be Colorless or shallow yellowish green. Lithium tantalate (LiTaO3) crystal is an excellent multifunctional material with versatile aptitude. Its general applications include Q-switch in laser applications, pyroelectric detectors in infrared applications, filters, and resonators in the electronic realm.

SAW Grade Lithium tantalate is optimized for Surface Acoustic Wave (SAW) uses with exceptional piezoelectric properties, allowing efficient transferring of mechanical signals into electrical signals. Polished LT wafers are often used for manufacturing a diverse range of SAW devices resonators, filters, transducers, and other electronic communication devices, attributed to their good mechanical and electrical coupling, temperature coefficient, and other comprehensive performance. SAW grade LT finds prominence in fabricating high-frequency surface acoustic wave devices and multiple high-end communication fields such as mobile phones, walkie-talkies, satellite communications, aerospace, and so on.

Hangzhou Shalom EO offers SAW-grade lithium Tantalate (or LiTaO3) crystals and wafers, advanced facilities are equipped for crystal growing, wafer cutting, wafer lapping, wafer polishing, and wafer checking, and all finished products will undergo Curie Temp testing and QC inspections. The SAW grade LiTaO3 crystals are available in various forms including boules, blanks, wafer blanks, and polished wafers.

Specifications:

Crystals Orientations X,Y,Z, Y36, Y42,Y48, X-112Y Orientation Fluctuation ±0.30°
Diameter 2", 3", 4", 6" and customized Length 50~80mm
Curie Temp 605±3°C Orientation of First Reference Flat As required ±0.2 0
Length of First Reference Flat 32±2 mm (4"), 22±2 mm (3") inspection polished Second Reference Flat Available if required, the length shall be 12±3 mm (4"), 10±3mm(3")
Appearance Free of crack, pore, inclusion

 

Specifications for 3”/4” LT Wafers

Wafer Size 3” 4” 6”
Diameter(mm) 76.2mm 100mm 150mm
Tolerance (±mm) 0.25 0.5 0.5
Primary Reference Flat (mm) 22mm or customized 32.5mm or customized 57.5mm or customized
Cutting Angle X,Y,Z, Y36, Y42,Y48,X-112Y etc.
Orientation Flat All available
Surface Type Single side polished/Double sides polished
Polished Side Ra (nm) ≤1
Back Side Criteria (μm) General is 0.2-0.5 or as customized
Edge Rounding Compliant with SEMI M1.2 Standard/refer to IEC62276
Appearance Contamination: None
Particles Φ>0.3μm: ≤30
Saw Marks, striations: None
Scratches: None
Cracks, crowsfeet, Saw marks, strains: None
SAW grade LiTaO3 Wafers D100x0.5mm Y+42° SSP

SAW grade LiTaO3 Wafers D100x0.5mm Y+42° SSP

SAW grade LiTaO3 Wafers D76.2x0.5mm X+112°-Y DSP

SAW grade LiTaO3 Wafers D76.2x0.5mm X+112°-Y DSP

SAW grade LiTaO3 Wafers D76.2x0.5mm Y+42° DSP

SAW grade LiTaO3 Wafers D76.2x0.5mm Y+42° DSP