Structured Manufacturing Data (2026)

Piezoelectric Stack

Based on aggregated insights from structured factory profiles within the CNFX directory, the standard Piezoelectric Stack used in the Computer, Electronic and Optical Product Manufacturing sector typically supports operational capacities ranging from standard industrial configurations to heavy-duty production requirements.

Technical Definition & Core Assembly

A canonical Piezoelectric Stack is characterized by the integration of Piezoelectric Ceramic Layer and Internal Electrode. In industrial production environments, manufacturers listed on CNFX commonly emphasize Lead Zirconate Titanate (PZT) ceramic construction to support stable, high-cycle operation across diverse manufacturing scenarios.

A multi-layer assembly of piezoelectric ceramic elements that generates precise linear displacement when voltage is applied.

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Product Specifications

Technical details and manufacturing context for Piezoelectric Stack

Definition
A piezoelectric stack is the core actuating component within a piezoelectric actuator, consisting of multiple thin piezoelectric ceramic discs or plates stacked and bonded together. When an electric field is applied across the stack, the individual layers expand or contract in unison, producing a cumulative displacement output along the stacking axis. This configuration amplifies the small displacement of a single piezoelectric element into a usable mechanical stroke for precision positioning, vibration control, or force generation applications.
Working Principle
Operates on the inverse piezoelectric effect: applying a voltage across the electrodes of the piezoelectric ceramic material induces mechanical strain. In a stack configuration, the strain of each layer sums along the poling direction, converting electrical energy directly into precise linear motion.
Common Materials
Lead Zirconate Titanate (PZT) ceramic, Internal electrode material (e.g., silver-palladium), Bonding adhesive/epoxy, External insulation/coating
Technical Parameters
  • Total free displacement (stroke) of the stack at maximum rated voltage. (mm) Per Request
Components / BOM
  • Piezoelectric Ceramic Layer Part
    Active element that deforms under applied voltage.
    Material: Lead Zirconate Titanate (PZT) ceramic
  • Internal Electrode Part
    Conductive layer interleaved between ceramic layers to apply electric field.
    Material: Silver-palladium (AgPd) alloy or nickel
  • Bonding Layer Part
    Adhesive bonding individual ceramic layers into a monolithic stack.
    Material: Epoxy or glass frit
  • External Electrode/Termination Part
    Electrical connection point for applying drive voltage to the stack.
    Material: Solderable silver coating or wire leads

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Piezoelectric Stack.

high precision piezoelectric stack actuator PZT ceramic multilayer displacement device voltage controlled linear motion stack electronic manufacturing piezoelectric actuator optical product alignment piezoelectric component

Applied To / Applications

This component is essential for the following industrial systems and equipment:

Piezoelectric Actuator
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Solenoid/Piezoelectric Actuator
View system integration details

Industrial Ecosystem & Supply Chain Structure

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: Up to 100 MPa (compressive), 10 MPa (tensile)
other spec: Max electric field: 2-3 kV/mm, Frequency range: DC to 10 kHz, Humidity: <85% RH non-condensing
temperature: -40°C to +150°C (operating), up to +200°C (short-term)
Media Compatibility
✓ Hydraulic oil systems ✓ Clean gas environments ✓ Precision positioning in vacuum chambers
Unsuitable: Aqueous or corrosive chemical immersion without protective coating
Sizing Data Required
  • Required displacement (μm) and resolution
  • Operating force/load (N)
  • Dynamic frequency response (Hz) and duty cycle

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Dielectric Breakdown
Cause: Electrical overstress from voltage spikes, excessive drive voltage, or insulation degradation due to moisture ingress or thermal cycling, leading to internal arcing and permanent loss of piezoelectric properties.
Mechanical Fatigue/Cracking
Cause: Cyclic mechanical stress from repeated expansion/contraction exceeding material fatigue limits, often exacerbated by mechanical preload issues, misalignment, or operating at resonant frequencies without proper damping.
Maintenance Indicators
  • Audible buzzing or crackling sounds during operation, indicating internal arcing or mechanical cracking
  • Visible discoloration, bulging, or delamination on the stack surface, suggesting thermal damage or moisture ingress
Engineering Tips
  • Implement strict voltage control with surge protection and derating (operate at 70-80% of max rated voltage) to prevent dielectric breakdown and reduce thermal stress
  • Ensure proper mechanical preload and alignment during installation, use vibration damping mounts, and avoid continuous operation at resonant frequencies to minimize fatigue cracking

Compliance & Manufacturing Standards

Reference Standards
ISO 17561:2023 (Piezoelectric ceramics - General specifications) ASTM D150-18 (Standard Test Methods for AC Loss Characteristics and Permittivity of Solid Electrical Insulating Materials) CE marking per EU Directive 2014/35/EU (Low Voltage Directive) for electrical safety
Manufacturing Precision
  • Parallelism of electrode surfaces: ≤0.01 mm over 10 mm length
  • Capacitance tolerance: ±10% of nominal value at 1 kHz, 1 Vrms
Quality Inspection
  • Impedance spectroscopy analysis for resonant frequency and capacitance verification
  • High-voltage insulation resistance test (≥100 MΩ at 500 VDC)

Factories Producing Piezoelectric Stack

Manufacturer profiles with relevant production capability in China

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Manufacturer listings support early research and capability understanding. They are not certification, ranking, or transaction guarantees.

Technical documentation
4/5
Manufacturing capability
4/5
Inspection readiness
5/5
Supplier transparency
3/5

These scores are example evaluation dimensions, not real customer ratings, country-specific buyer feedback, or live inquiry activity.

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Frequently Asked Questions

What is the typical displacement range for a piezoelectric stack?

Piezoelectric stacks typically provide displacement ranges from 10 to 200 micrometers, with sub-nanometer resolution possible depending on design and control electronics.

How does temperature affect piezoelectric stack performance?

Temperature variations can affect displacement accuracy and hysteresis. Most industrial stacks are designed with temperature compensation and operate optimally between -20°C to 80°C.

What are the key applications in computer and optical manufacturing?

Primary applications include precision positioning in semiconductor lithography, optical component alignment, micro-assembly automation, and vibration control in sensitive electronic equipment.

Can I contact factories directly on CNFX?

CNFX is an open directory, not a transaction platform. Each factory profile provides direct contact information and production details to help you initiate direct inquiries with Chinese suppliers.

Data basis: CNFX manufacturer profiles, technical classification, publicly available product information, and ongoing plausibility checks for Computer, Electronic and Optical Product Manufacturing.

Data Basis

CNFX manufacturer profiles, technical classification, publicly available product information, and ongoing plausibility checks.

Preliminary Technical Classification
This page supports structured research, RFQ preparation, and supplier evaluation. It does not replace buyer-led supplier qualification, standards review, or technical approval.

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