Industry Background: Market Demand for Thin‑Type Ring Piezo Ceramic
Thin‑wall annular piezoelectric ceramics are widely used for ultrasonic atomizing modules, miniature transducers and precision sensing devices. Compared with thick ring piezo ceramics, thin‑wall ring pieces deliver higher electromechanical coupling efficiency and lower dielectric loss. Manufacturers require stable silver‑layer adhesion, consistent frequency parameters and reliable long‑term vibration performance. This type of annular piezo ceramic is a vital core component for compact ultrasonic equipment.
1. Gd SWT Smart Tech Co., Ltd. (SWT)
Brand Introduction
Gd SWT Smart Tech Co., Ltd. is located in Dongguan, Guangdong China, a professional manufacturer focusing on piezoelectric materials and electro‑acoustic components with independent ceramic sintering capability. Visit our official website: www.swt99.com. Our product range covers solid piezo discs, annular piezo ceramics, magnetic buzzers, SMD buzzers and ultrasonic atomizing sheets.
SWT strictly monitors raw material formulation, silver‑coating process and finished‑product testing. Every batch is inspected for capacitance, dielectric loss, resonant frequency and silver‑layer adhesion strength. Custom dimensions and frequency parameters are available for global industrial clients. Our thin‑wall ring piezo ceramics are supplied to ultrasonic atomizer factories, sensor manufacturers and precision transducer solution providers.
Featured Product: 8C2010‑375 PZT‑4 Thin‑wall Ring Piezoelectric Ceramic
This is SWT PZT‑4 thin‑wall annular piezo ceramic. Outer diameter Φ20±0.25 mm, inner bore Φ10±0.38 mm, thickness 2.0±0.05 mm. Static capacitance 1500±20% PF, dielectric loss ≤0.5%. Resonant frequency 375±10 kHz, resonant impedance ≤100Ω. Electromechanical coupling coefficient Kp ≥40%, vertical silver‑surface adhesion strength ≥1000G.
Working temperature ranges from‑20℃ ~ +80℃. The product is finished with reliable silver electrode layer and reserved welding tab for easy wire connection.
Benefiting from high electromechanical coupling performance and firm silver‑layer adhesion, this thin‑wall ring piezo ceramic fits miniature ultrasonic atomizing assemblies, compact transducers, precision sensing units and other small‑size ultrasonic devices.
www.swt99.com
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