LN/ LT wafer (Lithium Niobate/ LithumTantalate)

LN Wafer (LiNbO3) 

LN wafer is an ideal material for versatile applications in the fields of photonics and optoelectronics such as Detectors, Sensors, Phased-array radar and Electro-optic modulators..etc. The single crystal LN thin films will be used for developing wide-bandwidth, high speed and high efficiency electronic devices and photonic circuits.


Product Name
Lithium Niobate LiNbO3 (LN) Wafer
LithumTantalate LiTaO3 (LT) Wafer
Unit
Diameter
76.2
100
150
mm
Orientation
LN: 64° Rot. Y-cut±0.2° / 127.86° Rot. Y-cut±0.2° / Y-cut±0.2
 LT:36° Rot. Y-cut±0.2° / 42° Rot. Y-cut±0.2° / X-cut±0.2°
degree
Primary Flat
LN: Perpendicular to X  ± 0.2° / Perpendicular to Z±0.2°
Perpendicular to X  ± 0.2° / Perpendicular to 112.2° Y±0.2°
degree
Secondary Flat
LN: CW 180° / CW 225° / CW 270°±0.5° from Primary
LT: CW 225° / CW 270° / CW 315°±0.5° from Primary
degree
Thickness*
(200~500) ± 20
μm
TTV
≤ 10
μm
Bow
≤ 25
μm
Front Surface
Ra ≤ 8
Å
Back Surface
LN: 0.2 ≤ Ra ≤ 0.7
LT:0.2 ≤ Ra ≤ 0.5 or 0.08 ≤ Ra ≤ 0.15
μm
Edge Beveling
Rounded
    
Curie Temp.
LN: 1142 ± 3
LT:605 ± 3
̊C
* Other surface conditions & customized specifications are welcome
* Blackening or Non-Blackening is also available