Lithium Niobate Wafer
Lithium Niobate has good nonlinear optical properties and can be used as optical waveguide material, or to produce medium and low frequency SAW filter, high power high temperature resistant ultrasonic transducer, etc. Lithium niobate doping is now widely used, such as Mg:LN, Nd:Mg:LN, Fe:LN.
Material Characteristics
Material |
3" 4" 6" 8" LN wafer Saw/Optical grade |
Orientation |
X/Z/Y41°/Y64°/Y128°/YZ/YX or Customized |
Curie Temp |
1142°C±3°C |
Doped with |
Zn, MgO single or double doped available |
processing capacity
Surface finish |
single or double sides polish (DLP/SLP/ SSP/DSP all available ) |
|
Thickness |
0.18/0.25/0.35/0.50/1.00 mm |
0.25/0.35/0.50/1.00 mm |
TTV |
||
BOW |
± (25µm ~40um ) |
|
Warp |
||
LTV (5mmx5mm) |
||
PLTV( |
≥98% (5mm*5mm) with 2mm edge excluded |
|
Edge |
Compl't with SEMI M1.2 with GC800# .regular at C typed |
|
Orientation flats |
available, per request |
|
Polished side Ra |
Roughness Ra |
|
Back Side Criteria |
Roughness Ra:0.5-1.0µm GC#1000 |
|
Edge Rounding |
Compliant with SEMI M1.2 Standard/refer to IEC62276 |
|
Cracks, saw marks, stains |
None |
|
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