Quartz Pendulum Sensing Element for Accelerometers
Quartz Pendulum (Accelerometer Sensing Element) · PBYS18D22
Quartz pendulum sensing element for high-precision accelerometers, with a 22.2 mm external diameter and micro-fabricated dimensional control. Metallization verified by thermal-cycle and grid-adhesion testing, with ≤10 Ω continuous-layer resistance and ≥100 MΩ insulation resistance.
External Diameter
22.2 mm
Pendulum Thickness
2.25 mm
Pendulum Gap
2.5 mm
The PBYS18D22 series quartz pendulums are core sensing elements for high-precision accelerometers. Manufactured with advanced micro-fabrication technology, these components feature precise dimensional control and superior metallization characteristics, ensuring excellent performance in inertial measurement applications.
Key Features
- Ultra-precise dimensional control
- Superior metallization adhesion
- Excellent electrical conductivity
- High mechanical stability
- Optimized resonant characteristics
- Consistent batch production quality
- Advanced surface treatment
- High reliability design
Applications
Technical Specifications
Dimensional Specifications
- External Diameter
- 22.2 mm
- Pendulum Thickness
- 2.25 mm
- Pendulum Gap
- 2.5 mm
- Base Thickness
- 0.78 mm
- Cavity Depth
- 3.8 mm
- Metallization Thickness
- 0.019 × 2 mm
- Bottom Clearance
- 2.6 ~ 2.9 mm
Electrical Specifications
- Metallization Adhesion
- Thermal cycle test followed by grid-adhesion test with no delamination undefined
- Electrical Continuity
- Continuous metal layer resistance ≤ 10Ω undefined
- Insulation Resistance
- Discontinuous metal layer resistance ≥ 100MΩ undefined
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Temperature Sensitivity
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Bias Long-Term Repeatability (1 Year, over temperature)
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Bias Error
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