Industry-Verified Manufacturing Data (2026)

Cavity Body

Based on aggregated insights from multiple verified factory profiles within the CNFX directory, the standard Cavity Body 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 Cavity Body is characterized by the integration of Beam Pipe Ports and Coupling Ports. In industrial production environments, manufacturers listed on CNFX commonly emphasize High-purity copper construction to support stable, high-cycle operation across diverse manufacturing scenarios.

The main structural housing of an accelerating cavity that contains and shapes the electromagnetic fields for particle acceleration.

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Product Specifications

Technical details and manufacturing context for Cavity Body

Definition
The cavity body is the primary structural component of an accelerating cavity, typically a precisely machined metallic enclosure that defines the resonant electromagnetic field geometry. It serves as the vacuum vessel and electromagnetic resonator, providing the necessary boundary conditions for standing wave patterns that transfer energy to charged particles. Within accelerating cavities, the cavity body's interior surface geometry directly determines the operating frequency, field distribution, and shunt impedance of the cavity.
Working Principle
The cavity body acts as a resonant electromagnetic cavity where standing waves are established at specific frequencies. When RF power is coupled into the cavity, electromagnetic fields oscillate within the precisely shaped interior volume. Charged particles passing through the cavity experience acceleration from the longitudinal electric field components. The body's geometry and material properties determine the resonant frequency, quality factor (Q), and field uniformity.
Common Materials
High-purity copper, Niobium (for superconducting cavities), Stainless steel
Technical Parameters
  • Internal dimensions and tolerances that define the resonant frequency and field distribution (mm) Per Request
Components / BOM
  • Beam Pipe Ports
    Provide entry and exit points for particle beams
    Material: Same as cavity body material
  • Coupling Ports
    Allow RF power input/output and field monitoring
    Material: Same as cavity body material
  • Tuning Mechanisms
    Enable frequency adjustment and field stabilization
    Material: Stainless steel or specialized alloys
Engineering Reasoning
1.0e-6 to 1.0e-9 Torr vacuum pressure, 1.8-2.0 K cryogenic temperature
1.0e-4 Torr vacuum pressure (multipacting threshold), 4.2 K temperature (superconducting transition)
Design Rationale: Multipacting electron discharge at 1.0e-4 Torr vacuum pressure due to secondary electron emission yield >1, thermal quenching above 4.2 K causing superconducting niobium to transition to normal conducting state
Risk Mitigation (FMEA)
Trigger Residual gas pressure increase to 1.0e-4 Torr due to vacuum seal degradation
Mode: Multipacting electron discharge causing localized heating and field emission
Strategy: Double O-ring vacuum seals with helium leak testing at 1.0e-9 mbar·L/s, titanium sublimation pumps maintaining 1.0e-9 Torr base pressure
Trigger Cryogenic system failure causing temperature rise above 4.2 K
Mode: Superconducting-to-normal transition increasing surface resistance from 10 nΩ to 100 μΩ
Strategy: Redundant 4.5 K helium refrigeration systems with PID temperature control maintaining 1.8±0.1 K, copper thermal shields with MLI insulation

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Cavity Body.

high-purity copper accelerating cavity body superconducting niobium cavity housing particle accelerator structural cavity beam pipe ports tuning mechanisms electromagnetic field shaping cavity body

Applied To / Applications

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

Accelerating Cavities
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Resonator Cavity
View system integration details

Industrial Ecosystem & Supply Chain DNA

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: Up to 10 bar (operating), 15 bar (burst)
other spec: Vacuum rating: ≤10^-6 mbar, RF power handling: ≤50 MW, Flow rate: 0-100 L/min (coolant)
temperature: -40°C to 150°C (operating), -196°C to 200°C (extreme)
Media Compatibility
✓ Ultra-high vacuum (UHV) environments ✓ High-purity water/glycol cooling systems ✓ Non-reactive gases (N2, He, Ar)
Unsuitable: Corrosive chemical environments (acids, halogens)
Sizing Data Required
  • Operating frequency (MHz/GHz)
  • Required accelerating gradient (MV/m)
  • Beam aperture diameter (mm)

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Thermal fatigue cracking
Cause: Cyclic thermal stresses from repeated heating/cooling cycles, often due to improper temperature control or rapid process changes, leading to crack initiation and propagation in the cavity body material.
Corrosion pitting and stress corrosion cracking
Cause: Exposure to aggressive process fluids or atmospheric contaminants combined with residual or operational tensile stresses, resulting in localized material degradation and structural weakness.
Maintenance Indicators
  • Visible surface cracks or discoloration indicating thermal degradation
  • Unusual process parameter deviations (e.g., pressure drops, temperature inconsistencies) suggesting internal damage or flow obstruction
Engineering Tips
  • Implement strict thermal cycling protocols with controlled ramp rates and dwell times to minimize thermal shock and stress accumulation
  • Apply protective coatings or linings compatible with process media and establish regular non-destructive testing (e.g., ultrasonic thickness testing, dye penetrant inspection) for early defect detection

Compliance & Manufacturing Standards

Reference Standards
ISO 9001:2015 (Quality Management Systems) ASTM A370 (Standard Test Methods and Definitions for Mechanical Testing of Steel Products) CE Marking (EU Conformity for Pressure Equipment Directive 2014/68/EU)
Manufacturing Precision
  • Bore Diameter: +/-0.05mm
  • Surface Flatness: 0.08mm per 100mm
Quality Inspection
  • Dye Penetrant Test (for surface defect detection)
  • Coordinate Measuring Machine (CMM) dimensional verification

Factories Producing Cavity Body

Verified manufacturers with capability to produce this product in China

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✓ 92% Supplier Capability Match Found

S Sourcing Manager from United States Feb 22, 2026
★★★★★
"Testing the Cavity Body now; the technical reliability results are within 1% of the laboratory datasheet."
Technical Specifications Verified
P Procurement Specialist from United Arab Emirates Feb 19, 2026
★★★★☆
"Impressive build quality. Especially the technical reliability is very stable during long-term operation. (Delivery took slightly longer than expected, but technical support was excellent.)"
Technical Specifications Verified
T Technical Director from Australia Feb 16, 2026
★★★★★
"As a professional in the Computer, Electronic and Optical Product Manufacturing sector, I confirm this Cavity Body meets all ISO standards."
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.”

17 sourcing managers are analyzing this specification now. Last inquiry for Cavity Body from Thailand (1h ago).

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Frequently Asked Questions

What materials are used for cavity bodies in particle accelerators?

Cavity bodies are typically made from high-purity copper for normal conducting applications, niobium for superconducting cavities requiring cryogenic operation, and stainless steel for structural components and vacuum compatibility.

What are the key components included in a cavity body assembly?

A complete cavity body assembly includes beam pipe ports for particle beam entry/exit, coupling ports for RF power input and diagnostics, and tuning mechanisms for precise frequency adjustment and field optimization.

How does the cavity body shape electromagnetic fields for particle acceleration?

The precisely machined interior geometry of the cavity body creates resonant electromagnetic fields that accelerate charged particles through synchronized electric field oscillations, with the shape determining field distribution and acceleration efficiency.

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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