Editorial Technical Reference

Plasma Source

This page explains how Plasma Source is classified within Computer, Electronic and Optical Product Manufacturing. Technical values and manufacturer relationships are research references; confirm the current specification and supplier evidence for each order.

Technical Definition & Core Assembly

A device that generates and controls plasma for semiconductor processing applications

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Product Specifications

Technical details and manufacturing context for Plasma Source

Definition
The Plasma Source is a component used in semiconductor manufacturing equipment. It produces ionized gas (plasma) that is applied in processes such as etching, deposition, cleaning, and surface modification on semiconductor wafers. The device precisely controls plasma density, uniformity, and energy to enable nanoscale fabrication. It operates by applying electromagnetic energy—radio frequency (RF), microwave, or direct current (DC)—to a gas within a vacuum chamber, ionizing the gas molecules to create a reactive plasma containing ions, electrons, and neutral species that interact with the wafer surface. The plasma source is typically integrated into etch or deposition tools, where it must match the process requirements for power, frequency, gas flow, and pressure. Key parameters include RF power (300–3000 W), RF frequency (13.56 MHz, per IEC 60063), operating pressure (1.0–1.6 MPa), gas flow rate (10–500 sccm), matching impedance (50 Ω, per IEC 60063), power stability (±1%), cooling water flow (5–20 L/min), cooling water temperature (15–25 °C), operating temperature (5–40 °C), relative humidity (20–80% non-condensing), input voltage (200–240 V AC, per IEC 60038), input frequency (50–60 Hz, per IEC 60038), weight (15–25 kg), and dimensions (300×400×200 mm). Materials used include quartz, aluminum, stainless steel, and ceramics. These values are reference ranges and must be verified for the specific model and application. The plasma source is a critical component in semiconductor fabrication, and its performance directly affects process yield and device quality. Proper selection requires consideration of the process chemistry, wafer size, and desired etch or deposition rates. Verification of specifications with the legal manufacturer or supplier is essential before procurement or integration.
Working Principle
The plasma source generates plasma by applying electromagnetic energy (RF, microwave, or DC) to a gas within a vacuum chamber. The energy ionizes the gas molecules, creating a reactive plasma containing ions, electrons, and neutral species. These particles interact with the semiconductor surface to perform processes such as etching, deposition, or cleaning. The source controls plasma density, uniformity, and energy by adjusting parameters like RF power, gas flow rate, and chamber pressure. This enables precise nanoscale fabrication.
Common Materials
Quartz, Aluminum, Stainless Steel, Ceramics
Technical Parameters
ParameterTypical rangeNotes & selection driver
RF Power300–3000 WDetermines plasma density and etch/deposition rate
RF Frequency13.56 MHzStandard industrial frequency for plasma processingIEC 60063
Gas Flow Rate10–500 sccmControls plasma chemistry and uniformity
Matching Impedance50 ΩStandard RF system impedanceIEC 60063
Power Stability±1 %Ensures process repeatability
Cooling Water Flow5–20 L/minRequired for thermal management
Cooling Water Temperature15–25 °CMaintains stable operation
Operating Temperature5–40 °CAmbient temperature range
Relative Humidity20–80 %Non-condensing
Input Voltage200–240 V ACSingle phaseIEC 60038
Input Frequency50–60 HzAuto-switchingIEC 60038
Weight15–25 kgDepends on configuration
Dimensions (W×D×H)300×400×200 mmTypical rack-mount size

Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.

Components / BOM
  • RF Matching Network
    Matches impedance between RF generator and plasma load for efficient power transfer
    Material: Copper, Ceramics
  • Electrode
    Applies electromagnetic field to ionize gas and sustain plasma discharge
    Material: Aluminum, Stainless Steel
  • Gas Distribution System
    Controls and distributes process gases uniformly into the plasma chamber
    Material: Stainless Steel, Quartz
  • Cooling System
    Removes heat generated during plasma operation to maintain stable performance
    Material: Copper, Aluminum

Application & selection

Application Fit & Sizing Matrix

Operational Limits
pressure: 1 mTorr - 10 Torr
flow rate: 10-1000 sccm
frequency: 13.56 MHz or 2.45 GHz
power range: 100-5000 W
temperature: 20-400°C
Media Compatibility
✓ Argon gas for sputtering ✓ Oxygen gas for oxidation ✓ CF4 gas for etching
Unsuitable: High moisture environments (>1000 ppm H2O)
Sizing Data Required
  • Process chamber volume (L)
  • Required plasma density (ions/cm³)
  • Target substrate size (mm)

Risk, maintenance & compliance

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Electrode degradation
Cause: Thermal cycling and sputtering from plasma-material interactions leading to material loss and contamination
Cooling system failure
Cause: Mineral buildup or corrosion in cooling channels reducing heat transfer efficiency, causing overheating
Maintenance Indicators
  • Unstable plasma arc or erratic plasma color (visual)
  • Abnormal high-pitched whining or arcing sounds from the source (audible)
Engineering Tips
  • Implement strict water quality control and regular descaling of cooling systems to prevent mineral deposits
  • Establish preventive electrode replacement schedules based on operating hours and monitor plasma parameters for early degradation detection

Indicative industry ranges for design and RFQ preparation. Confirm the exact figures and applicable standard with the manufacturer before specifying.

Compliance & Manufacturing Standards

Applicable Standards
CE Marking - EU Conformity for Electrical Equipment

Quoted from the published standard.

Manufacturing Precision
  • Electrode Alignment: +/-0.05mm
  • Gas Flow Rate: +/-2% of specified value
Quality Inspection
  • Leak Test - Helium Mass Spectrometry
  • Electrical Safety Test - Dielectric Strength and Ground Continuity
Technical documentation
Request current drawings, revision history, and a signed specification sheet.
Manufacturing capability
Verify equipment lists, process limits, capacity, and representative production evidence.
Inspection readiness
Confirm test methods, calibrated equipment, sampling plans, and traceable reports.
Supplier transparency
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Manufacturers of Plasma Source

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Frequently Asked Questions

What is the typical RF power range for this plasma source?

The reference RF power range is 300–3000 W, but the exact value depends on the specific model and process requirements. Always verify with the manufacturer.

Which standards are referenced for the electrical parameters?

The RF frequency and matching impedance reference IEC 60063, and the input voltage and frequency reference IEC 60038. These are procurement references, not certifications.

What materials are used in the construction?

The materials on file include quartz, aluminum, stainless steel, and ceramics. Specific grades are not listed and must be confirmed with the supplier.

How should I verify the operating pressure specification?

The operating pressure range is 1.0–1.6 MPa. However, this is a reference range; confirm the actual requirement for your application with the manufacturer.

Data basis: editorial classification, named public sources where available, and source-reviewed manufacturer records. See the editorial policy.

Related equipment

Applied To / Applications

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

Semiconductor Manufacturing Equipment
View system integration details

Industrial Ecosystem & Supply Chain Structure

Complementary Systems
Downstream Applications

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Plasma Source.

Plasma Generator Plasma Discharge Source

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records.

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.

Compiled and source-reviewed by the CNFX editorial team. Each manufacturer above links to the page on that company's own website where the product is listed, with the date we checked it. How we source and review · Page last updated 12 October 2026

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