Lithium Tantalate has good piezoelectric, ferroelectric, acousto-optic and electro-optic effects. It is widely used in resonators, filters, transducers, high-frequency surface acoustic wave devices, as well as bulk acoustic devices.
Material Characteristics
| Material | 3" 4" 6" 8" LN wafer Saw/Optical grade | 3" 4" 6" LT wafer Saw/Optical grade |
| Orientation | X/ Z/ Y41°/ Y64°/ Y128°/ YZ/ YX or Customized | X112°/ Y28°/ Y36°/ Y42°/ YZ or Customized |
| Curie Temp | 1142°C±3°C | 605°C±3°C |
| Doped with | Zn, MgO, single or double doped available | Fe doped (Yellow Black) |
| Single Domain | Completed Polarization (White) / Reducted (Black) |
Processing Capacity
| Surface finish | Single or Double side polish (DSL/SSP/DSP available) |
| Thickness | 0.18/0.25/0.35/0.50/1.00 + mm | 0.25/0.35/0.50/1.00+mm |
| TTV | < 1~5µm |
| BOW | ± (25µm ~40um ) |
| Warp | <= 25µm |
| LTV (5mmx5mm) | <1.5 um |
| PLTV(<0.5um) | ≥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<=5A |
| 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 |
Acceptance Check
1. The product is fragile. We have adequately packed it and labeled it fragile. We deliver through excellent domestic and international express companies to ensure transportation quality.
2. After receiving the goods, please handle with care and check whether the outer carton is in good condition. Carefully open the outer carton and check whether the packing boxes are in alignment. Take a picture before you take them out.
3. Please open the vacuum package in a clean room when the products are to be applied.
4. If the products are found damaged during courier, please take a picture or record a video immediately. DO NOT take the damaged products out of the packaging box! Contact us immediately and we will solve the problem well.
