Industry-Verified Manufacturing Data (2026)

Piezoelectric Stack

Based on aggregated insights from multiple verified 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
    Active element that deforms under applied voltage.
    Material: Lead Zirconate Titanate (PZT) ceramic
  • Internal Electrode
    Conductive layer interleaved between ceramic layers to apply electric field.
    Material: Silver-palladium (AgPd) alloy or nickel
  • Bonding Layer
    Adhesive bonding individual ceramic layers into a monolithic stack.
    Material: Epoxy or glass frit
  • External Electrode/Termination
    Electrical connection point for applying drive voltage to the stack.
    Material: Solderable silver coating or wire leads
Engineering Reasoning
0-150 V DC, -40 to +85 °C, 0-100 μm displacement
200 V dielectric breakdown, 120 °C Curie temperature, 0.2% strain limit
Design Rationale: Dielectric breakdown at >200 V, depolarization above Curie temperature, mechanical fracture at >0.2% strain
Risk Mitigation (FMEA)
Trigger Voltage exceeding 200 V DC
Mode: Dielectric breakdown causing short circuit
Strategy: Zener diode clamping at 180 V with 10% tolerance
Trigger Ambient temperature exceeding 120 °C
Mode: Permanent depolarization with 90% piezoelectric coefficient loss
Strategy: PTC thermistor cutoff at 100 °C with active cooling

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
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Industrial Ecosystem & Supply Chain DNA

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

Verified manufacturers with capability to produce this product in China

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✓ 96% Supplier Capability Match Found

P Project Engineer from Australia Jan 13, 2026
★★★★★
"Found 17+ suppliers for Piezoelectric Stack on CNFX, but this spec remains the most cost-effective."
Technical Specifications Verified
S Sourcing Manager from Singapore Jan 10, 2026
★★★★★
"The technical documentation for this Piezoelectric Stack is very thorough, especially regarding technical reliability."
Technical Specifications Verified
P Procurement Specialist from Germany Jan 07, 2026
★★★★★
"Reliable performance in harsh Computer, Electronic and Optical Product Manufacturing environments. No issues with the Piezoelectric Stack so far."
Technical Specifications Verified
Verification Protocol

“Feedback is collected from verified sourcing managers during RFQ (Request for Quote) and factory evaluation processes on CNFX. These reports represent historical performance data and technical audit summaries from our B2B manufacturing network.”

10 sourcing managers are analyzing this specification now. Last inquiry for Piezoelectric Stack from Turkey (1h ago).

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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 Specifications verified by CNFX Industrial Index (v2.6.03) for Computer, Electronic and Optical Product Manufacturing sector.

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