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+86 15810214312
sunn@bjstcl.com
The lead zinc niobate lead titanate (PZN-PT) single crystal produced by Beijing Supersnoic Technology Co., Ltd. ( bjstcl. com) is a new high-performance piezoelectric material that can be widely used in high-end equipment fields such as medical ultrasound diagnostic equipment (B-ultrasound probes, etc.), photoacoustic imaging transducers, actuators, ultrasound motors, sonars, hydrophones, electro-optic modulators, etc.
Beijing Supersonic Technology Co., Ltd. ( bjstcl. com), successfully produced large-sized PZN-PT piezoelectric single crystal products in 2016 and achieved complete independent and controllable domestic and industrial mass production. The PZN-PT relaxation piezoelectric single crystal product has an ingot weight greater than 350g, can process chip sizes exceeding 60mm × 40mm, and has excellent consistency, high piezoelectric coefficient, and the depolarization temperature exceeding 120 ℃. This material has been included in the IEEE std 1859TM-2017 international standard and can fully meet the application, development, and equipment manufacturing requirements in relevant key and cutting-edge industries in China.
Beijing Supersonic Technology Co., Ltd. ( bjstcl. com) can provide PZN-PT piezoelectric single crystal products with different compositions, with models including PZN-5.5% PT, PZN-6.5% PT, PZN-7% PT, etc.
PZN-PT [001] poeld single crystal | |||
PZN-PT [001] | 5.5%PT | 6.5%PT | |
Piezoelectric strain coefficient (10-12 C/N) | d33 | 2009 | 2430 |
d31 | -979 | -1179 | |
Piezoelectric voltage coefficient (10-3 V٠m/N) | g33 | 43.10 | 44.68 |
g31 | -21 | -21.68 | |
Electromechanical coupling coefficient | k33 | 0.92 | 0.93 |
Depolarization temperature (℃) | TRT | 120±5 | 115±5 |
PZN-PT [011] poled single crystal | |||
PZN-PT [011] | 5.5%PT | 6.5%PT | |
Piezoelectric strain coefficient (10-12 C/N) | d33 | 1319 | 1571 |
d32 | -1985 | -2618 | |
Piezoelectric voltage coefficient (10-3 V٠m/N) | g33 | 37.24 | 31.68 |
g32 | -56.05 | -52.80 | |
Electromechanical coupling coefficient | k33 | 0.90 | 0.90 |
Depolarization temperature (℃) | TRO | 120±5 | 110±5 |
Beijing Supersonic Technology Co., Ltd., (bjstcl.com)
After years of research, Supersonic Technology has mastered high-performance PZN-PT crystal production with a fully localized process.
Through years of persistent effort, the company has successfully produced high-uniformity, large-size, and high-purity PZN-PT piezoelectric single crystal materials, achieving internationally leading technical standards. In device development, the company focuses on PZN-PT piezoelectric single crystal acoustic and optical devices, which can be widely applied in underwater acoustic detection, medical ultrasound, vibration detection, industrial control, and communication fields.
After years of research, Supersonic Technology has overcome the challenges in manufacturing high-performance PZN-PT piezoelectric single crystal materials, achieving a fully localized and self-controlled production process from material preparation to machining. The piezoelectric single crystal PZN-PT exhibits electromechanical coupling coefficients, piezoelectric constants, and dielectric constants that are significantly superior to those of piezoelectric ceramics, making it a groundbreaking advancement in piezoelectric material performance.
Drawing inspiration from advanced domestic and international research methods and experiences, Beijing Supersonic Technology Co., Ltd. has pursued independent innovation, relentless perseverance, and continuous experimentation to achieve significant breakthroughs in piezoelectric single crystal development and production.
Through processes including powder mixing, high-temperature melting, controlled cooling, and crystallization, the company can produce high-uniformity, large-size (up to Ø60mm, 360g), and high-purity lead zinc niobate-lead titanate (PZN-PT) piezoelectric single crystals. These crystals undergo comprehensive processing, including orientation, slicing, precision cutting, grinding, polishing, sputtering, polarization, and electrical testing, ensuring superior product quality.
Under the supervision of relevant national authorities, the quality of PZN-PT crystals has been rigorously tested. The independently developed next-generation piezoelectric single crystal material (PZN-PT) demonstrates exceptional piezoelectric properties, enabling broad applications in medical ultrasound imaging, underwater acoustic transducers, accelerometers, and micro-actuators.
This material represents a groundbreaking achievement in the industry, filling a domestic gap and achieving a world-leading position. Its data has been incorporated into international standards (IEEE Std. 1859TM-2017), marking its global significance and recognition.
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