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Chemical Formula: | LiTaO₃ | Growth Method: | Czochralski |
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Crystal Structure: | Trigonal | Density: | 7.45g/cm3 |
Curie Temperature: | 605℃ | Hardness: | 5.5 |
Melting Point: | 1650℃ | Cell Parameters: | A=5.154Å,c=13.781Å |
High Light: | SAW Devices LiTaO3 Wafers,Trigonal LiTaO3 Wafers,Trigonal Lithium Tantalate |
High optical damage threshold LiTaO3 Wafers For SAW Devices
Introduction:
Lithium Tantalate is a multi-functional material, which exhibits excellent electronic, electro-optical, pyroelectric, and piezoelectric properties, well-suited for SAW filters, optical communication, holographic, SHG, laser application. Polished LT wafer is widely used in electronic communication devices such as resonators, filters, and transducers, especially used surface acoustic wave devices for its good electromechanical coupling, and stable temperature Coefficient.
Advantages:
Material | LiTaO3 wafers | |
Curie Temp | 603±2℃ | |
Cutting Angle | X/Y/Z/X112Y/Y36/Y42/Y48/etc | |
Diameter/size | 2”/4”/6" LT wafer | |
Tol(±) | <0.20 mm | |
Thickness | 0.18 ~ 0.5mm or more | |
Primary Flat | 22mm /32mm /42.5mm /57.5mm | |
LTV (5mmx5mm) | <1µm | |
TTV | <3µm | |
Bow | -30<bow<30 | |
Warp | <40µm | |
PLTV(<0.5um) | ≥95%(5mm*5mm) | |
Orientation Flat | All available | |
Surface Type | Single Side Polished /Double Sides Polished | |
Back Side Criteria | General is 0.2-0.5µm or as customized | |
Edge Criteria | R=0.2mm or Bullnose | |
Fe doped |
Fe doped for saw grade LN< wafers |
Picture:
Contact Person: Chen Dongdong
Tel: +86 18326013523
Fax: 86-551-63840588
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