Can I contact factories directly on CNFX?

CNFX is an open directory. Each factory profile provides direct contact information.

Ceramic Body Component – Computer, Electronic and Optical Product Manufacturing

Component Specifications

Definition

A ceramic body is the core structural component of a precision fiber optic ferrule, typically made from zirconia (ZrO2) or alumina (Al2O3). It features an ultra-precise central bore (typically 125μm or 250μm) that aligns and secures the optical fiber. Its primary functions are to provide dimensional stability, thermal resistance, low thermal expansion, and excellent surface finish to minimize insertion loss and back reflection in optical connections. It serves as the critical interface in connectors like FC, SC, LC, and MPO.

Working Principle

The ceramic body operates by providing a rigid, dimensionally stable housing with a precisely machined central bore. This bore aligns the optical fiber core with sub-micron accuracy to another fiber or optical device. Its low thermal expansion coefficient maintains alignment across temperature variations, while its hardness and wear resistance ensure repeated mating cycles without degradation. The smooth internal surface guides light with minimal scattering, and the external cylindrical geometry interfaces with connector housings and alignment sleeves.

Materials

Primary: Zirconia (ZrO2), typically yttria-stabilized zirconia (YSZ) with >99% purity. Alternative: Alumina (Al2O3) with 96-99.5% purity. Zirconia offers superior fracture toughness, flexural strength (~1000 MPa), and lower thermal expansion. Material specifications include density ≥6.0 g/cm³, grain size <0.5μm, and specific dopant concentrations for stabilization.

Technical Parameters

Length 5-15mm (standard)
Hardness >1200 HV
Bore Diameter 125±0.5μm (single-mode), 250±1μm (multi-mode)
Concentricity <1.0μm
Outer Diameter 2.499±0.0005mm
Surface Roughness Ra <0.02μm (bore)
Thermal Expansion 10.5×10⁻⁶/K (zirconia)
Operating Temperature -40°C to +85°C

Standards

ISO/IEC 61754, IEC 61755, Telcordia GR-326, JIS C 5981

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Ceramic Body.

Parent Products

This component is used in the following industrial products

Precision Fiber Optic Ferrule

Ceramic alignment component for fiber optic connectors

View Product Details

Engineering Analysis

Risks & Mitigation

Bore cracking during fiber insertion
Thermal mismatch stress
Wear degradation after repeated mating
Contamination affecting optical surfaces
Dimensional drift due to humidity absorption

FMEA Triads

Trigger: Micro-cracks from abrasive machining
Failure: Fracture during assembly or thermal shock
Mitigation: Implement laser machining or diamond grinding with post-process annealing; apply non-destructive testing (NDT) like dye penetrant inspection.

Trigger: Inadequate sintering control
Failure: Porosity leading to reduced strength and moisture ingress
Mitigation: Optimize sintering temperature/time profiles; use hot isostatic pressing (HIP) for density >99.5%; conduct density and microstructure QC.

Trigger: Misalignment in bore drilling
Failure: High insertion loss and poor connector performance
Mitigation: Use precision CNC with real-time laser measurement; implement 100% concentricity testing; apply statistical process control (SPC) on bore geometry.

Industrial Ecosystem

Compatible With

Interchangeable Parts

Compliance & Inspection

Tolerance

Geometric tolerances per ISO 1101: Bore diameter ±0.5μm, outer diameter ±0.0005mm, concentricity ≤1.0μm, surface finish Ra ≤0.02μm.

Test Method

Dimensional: Non-contact optical measurement (e.g., laser micrometer, vision systems). Mechanical: Hardness testing (Vickers). Optical: Insertion loss/return loss per IEC 61300-3-34. Environmental: Thermal cycling per Telcordia GR-1221.

Procurement Evaluation Criteria

Not customer reviews or live demand data. These dimensions support RFQ preparation and supplier evaluation.

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.

Related Components

Storage Module

Industrial-grade storage module for data logging and firmware in IoT gateways

Ethernet Controller

Industrial Ethernet controller for real-time data transmission in Industrial IoT Gateways.

Serial Interface

Serial interface for industrial data transmission between IoT gateways and legacy equipment using RS-232/422/485 protocols.

I/O Connectors

Industrial I/O connectors are ruggedized interfaces that enable reliable data and power transmission between sensors, actuators, and Industrial IoT Gateways in harsh environments.

Frequently Asked Questions

Why is zirconia preferred over alumina for ceramic ferrule bodies?

Zirconia offers higher fracture toughness, better mechanical strength, and a closer thermal expansion match to glass fibers, reducing stress and signal loss under thermal cycling.

What are the critical tolerances for ceramic body bore diameter?

For single-mode fibers, bore diameter must be 125±0.5μm with concentricity under 1.0μm to ensure core alignment losses below 0.1 dB.

How does surface finish affect optical performance?

A surface roughness below 0.02μm minimizes light scattering and back reflection, critical for maintaining low insertion loss and high return loss in high-speed networks.

Can I contact factories directly?

Yes, each factory profile provides direct contact information.

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.

Ceramic Body