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


LiTaO3는 압전, 강유전, 음향광학, 전기광학 효과가 뛰어난 중요한 다기능 결정 소재입니다. LiTaO3는 많은 장치 및 장비, 특히 전기 광학 장치, 적외선 감지기 및 표면 탄성파 장치에 성공적으로 사용되었습니다.

제품 설명

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.

Main Advantages:

High Curie temperature

Large Thermal-electric coefficient

Small dielectric constant

Stable chemical and physical properties

Typical applications:

Acoustic surface wave filter


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

재료 특성

Crystal StructureTrigonal
Lattice constanta=5.154Å, c=13.783Å
녹는 점1650℃
Curie Point603±2℃
모스 경도5.5-6.0
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

기술적인 매개변수

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)
Flat Width32.0±2.0(mm) or Upon Request
Chamfer0.1mm @45° or round edge
참고: 위의 매개변수는 참고용일 뿐입니다. 특정 요구 사항에 대해서는 영업 담당자에게 문의하세요.