LITAO3工場
LiTaO3 crystal company
China Polished LT wafer factory
China Polished LT wafer company

LiTaO3

LiTaO3 は、優れた圧電効果、強誘電効果、音響光学効果、電気光学効果を備えた重要な多機能結晶材料です。 LiTaO3 は、多くのデバイスや機器、特に電気光学デバイス、赤外線検出器、表面弾性波デバイスで使用されて成功しています。

製品説明

Polished LT wafer, especially for its good mechanical and electrical coupling, temperature coefficient and other comprehensive performance, is widely used in manufacturing of resonators, high-frequency acoustic surface wave filters, transducers and other electronic communication devices, and applied in many fields like mobile phones, intercom, satellite communication, aerospace etc.

主な利点:

High Curie temperature

Large Thermal-electric coefficient

Small dielectric constant

Stable chemical and physical properties


代表的なアプリケーション:

Acoustic surface wave filter

Resonator

Q switch

Optical modulator

Acoustic and optical switch

Laser multiple frequency multiplier

Optical parametric oscillator

Optical memory

High-temperature and high-frequency ultrasonic detector

Infrared detector

Optical pickup devices

材料特性

Crystal StructureTrigonal
Lattice constanta=5.154Å, c=13.783Å
密度7.45g/cm3
融点1650℃
Curie Point603±2℃
モース硬度5.5-6.0
Dielectric Constantes11/eo:39~43, es33/eo:42~43;et11/eo:51~54, et33/eo:43~46
Thermal Conductivity1015wm
Thermal Expansion Coefficienta1=a2=1.61×10-6/℃, a3=4.1×10-6/℃ 
Refractive Indicesn0=2.176  ne=2.180 @ 633mn
E-O CoefficientR33=30.4
Electro-mechanical Coupling factorR15≥0.3
Pyroelectric Coefficient2.3×10-7 C/cm2/K
Transmission Range400nm-5000nm

技術的パラメータ

Crystro offers:

Size4" ,6" boule or wafer ,Acoustic or Optical grade
DopingNo Doping or With Fe
Boule Length≥50mm
Wafer Thickness0.25,0.35,0.50(mm)
OrientationY42°/Y36°/X/Y/Z or Upon Request
Surface ProcessSingle/Double Sides Polishing
TTV< 10µm
BOW± (25 ~40 µm)
Warp≤35µm
Flat Width32.0±2.0(mm) or Upon Request
RoughnessRa≤10Å
Chamfer0.1mm @45° or round edge
注: 上記のパラメータは参考用です。具体的な要件については、当社の営業担当者にお問い合わせください。

アプリケーション

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