PZT Substrate

PZT Substrate Data Sheet

Material:	Lead Zirconate Titanate (PZT)
Shape:	Substrate
Dimension:	Standard or customized
Density:	7.6-7.9g/cm3

PZT Substrate Description

PZT substrate is a piezoelectric ceramic base material made from lead zirconate titanate, offering excellent piezoelectric response, dielectric properties, and mechanical strength. It provides a stable platform for sensors, actuators, ultrasonic transducers, and other precision devices where electrical-to-mechanical energy conversion is required. With precise dimensional control and good thermal stability, the PZT substrate ensures consistent performance across various operating conditions.

PZT Substrate Specifications

Parameter	Specification
Max Size	120 × 90 mm
Min Size	30 × 30 mm
Thickness	0.1 – 9.0 mm
Customized Size	Available on request

PZT Substrate Features

• High Piezoelectric Performance: Delivers strong electromechanical coupling for efficient energy conversion in sensing, actuation, and ultrasonic applications.
• Excellent Dielectric Properties: Maintains a stable dielectric constant and low loss across a wide frequency range.
• Precision Dimensional Control: Manufactured with tight tolerances to ensure uniform thickness and consistent performance.
• Wide Size and Thickness Range: Available in various sizes and thicknesses to meet different application requirements.
• Custom Fabrication Options: Can be customized in size, shape, and metallization patterns for specific device designs.

PZT Substrate Applications

• Ultrasonic Transducers: Serve as the active layer in medical imaging, industrial flaw detection, and underwater sonar systems.
• Sensors: Used in pressure, vibration, and acceleration sensing devices for industrial and automotive applications.
• Actuators: Powers micro-positioning stages, precision motion systems, and adaptive optics mechanisms.
• Energy Harvesting Devices: Convert mechanical vibrations into electrical energy for low-power electronics.
• Microelectromechanical Systems (MEMS): Forms the piezoelectric base for MEMS devices in communications, defense, and instrumentation.

PZT Ceramic Tolerances

PZT Material Property Parameter Tolerances:

Parameter	Standard Tolerance	Optional Stricter Tolerance Available
Capacitance	±20%	Yes
d33 (Piezo Coefficient)	±20%	Yes
Frequency	±5%	±0.5%

Dimension Tolerances:

Shape & Dimension	Standard Value Range	Tolerance (±)
Disc / Ring / Tube
Outer Diameter	< 25 mm	0.25 mm
	≥ 25 mm to < 38 mm	0.38 mm
	≥ 38 mm to < 50 mm	0.60 mm
	≥ 50 mm	1.00 mm
Ring / Tube
Inner Diameter	< 6 mm	0.25 mm
	≥ 6 mm to < 13 mm	0.38 mm
	≥ 13 mm to < 25 mm	0.50 mm
	≥ 25 mm	0.60 mm
Square Plate
Length or Width	< 13 mm	0.13 mm
	≥ 13 mm to < 25 mm	0.25 mm
	≥ 25 mm to 38 mm	0.38 mm
	≥ 38 mm to < 50 mm	0.60 mm
	≥ 50 mm	1.00 mm
Thickness	0.20 mm to < 5.00 mm	0.025 mm
	≥ 5.00 mm	0.05 mm

PZT Electrode Specifications

• Standard electrode material: Silver
• Optional electrode materials: Gold, Nickel
• Standard electrode configuration: Solid electrodes covering entire top and bottom surfaces
• Tubular electrode configuration: Electrodes on inner and outer walls (Inner wall: Positive electrode; Outer wall: Negative electrode)
• Custom electrode designs available upon request

Material	AC Driving Voltage (V/mm)	DC Driving Voltage (V/mm)	Customizable Maximum Voltage (V/mm)
PZT4	360 ~ 440	720 ~ 880	Up to 1000
PZT5	200 ~ 280	400 ~ 560
PZT8	360 ~ 440	720 ~ 880