50um Ultra-Thin Piezoelectric Wafer LiTaO3 LT Film For Piezo Devices
Lithium Tantalate (LT, LiTaO3) has unique properties, which as a material finds uses in Electro-Optical and Acousto-Optical applications. These can be : surface acoustic wave devices, bulk acoustic wave devices, piezo-electric transducers and piezoelectric sensors.The 36° and 42 ° cuts of Lithium Tantalate have shown widespread adoption for the telecommunications mobile phone handset market at frequencies from 800 to 2100 MHz. These orientations show an optimized bandwidth / insertion loss trade off in performance and are dominating the ever expanding mobile handset sales.
Crystro's LiTaO3 crystal is grown by Czochralski method.Max diameter reach 4inch,it's now the biggest size in this filed,we can custom size and specs ,rougness<0.5nm.
Crystro provides:
- Excellent photoelectric property
- High Damage Threshold
- High Curie Temperature
| Specifications | Boule | Wafer |
| Diameter | Φ3'' | Φ4'' | Φ3'' | Φ4'' |
| Length or Thickness (mm) | ≤100 | ≤50 | 0.35-0.5 |
| Orientation | 127.86°Y,64°Y,135°Y,X,Y,Z, and other cut |
| Ref.Flat Orientation | X,Y |
| Ref.Flat Length | 22±2mm | 32±2mm | 22±2mm | 32±2mm |
| Front Side polishing | / | Mirror polished 5-15 Å |
| Back Side Lapping | / | 0.3-1.0μm |
| Flatness (μm) | / | ≤15 |
| Bow (μm) | / | ≤25 |
Note: Other sizes and coatings are available upon request.
Crystal orientations available: Z-cut, X-cut, Y-cut
Typical product sizes available
Bulk crystals:
up to 4 inch diameter and 50 mm thick
Crystal substrates / wafers (single side or double side polished)
10 x 10 x 0.5 mm
2 inch diameter x 0.5mm thick
4 inch diameter x 0.5mm thick
Crystro can offer other size and specification of wafers upon request.
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50um Ultra-Thin Piezoelectric Wafer LiTaO3 LT Film For Piezo Devices Images
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