Electrode Body/Backing: Thickness 0.1-0.5 mm

Component Specifications

Definition

The electrode body/backing is a critical component in biopotential electrodes, serving as the physical substrate that holds the conductive elements (like silver/silver chloride) and provides structural integrity. It ensures proper skin contact, electrical isolation from external interference, and comfortable adhesion during physiological signal acquisition (ECG, EEG, EMG). The backing material must be biocompatible, flexible, and moisture-resistant to maintain signal quality and patient safety.

Working Principle

The electrode body/backing works by providing a stable platform for the conductive gel and sensing element, ensuring consistent skin-electrode interface. It minimizes motion artifacts by maintaining adhesion, isolates electrical signals from environmental noise, and supports the electrode's shape during application. The backing's dielectric properties prevent short circuits and enhance signal fidelity by reducing interference from external electromagnetic sources.

Materials

Medical-grade polymers such as polyurethane, polyethylene, or silicone rubber; often combined with adhesive layers (hydrogel or acrylic) and conductive elements (Ag/AgCl). Materials must meet ISO 10993 biocompatibility standards.

Technical Parameters

Parameter	Typical range	Notes & selection driver
Thickness	0.1-0.5 mm
Flexibility	Conforms to skin curvature
Biocompatibility	ISO 10993 certified
Adhesion Strength	≥ 0.5 N/cm
Dielectric Strength	≥ 5 kV/mm

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

Standards

ISO 10993, ISO 13485, ASTM D1000, IEC 60601

Parent Products

This component is used in the following industrial products

Biopotential Electrodes

Specialized electrodes that detect and measure electrical potentials generated by biological activity in living organisms.

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Engineering Analysis

Risks & Mitigation

Skin irritation from adhesive materials
Signal degradation due to poor adhesion
Electrical interference from inadequate insulation
Material degradation in humid environments

FMEA Triads

Trigger: Adhesive failure due to sweat or movement
Failure: Poor signal quality or electrode detachment
Mitigation: Use hydrogel adhesives and regular skin preparation

Trigger: Backing material delamination
Failure: Electrical short circuits or signal loss
Mitigation: Implement quality control per ISO 13485 and material testing

Trigger: Biocompatibility issues
Failure: Skin reactions or compliance violations
Mitigation: Certify materials per ISO 10993 and conduct patch testing

Industrial Ecosystem

Compatible With

Typical Suppliers & Equivalents

Compliance & Inspection

Tolerance

±0.05 mm thickness variation, adhesion strength within 10% of spec

Test Method

ASTM D1000 for adhesion, IEC 60601 for electrical safety, ISO 10993 for biocompatibility

Procurement Evaluation Criteria

A practical evidence checklist for RFQ preparation and supplier evaluation.

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 Electrode Body/Backing

Manufacturer profiles associated with Electrode Body/Backing.

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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

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Frequently Asked Questions

What is the primary function of the electrode body/backing?

It provides mechanical support, electrical insulation, and stable skin contact for accurate biopotential signal acquisition.

Which materials are commonly used for electrode backing?

Medical-grade polymers like polyurethane or silicone, often with hydrogel adhesives and Ag/AgCl conductive elements.

How does backing material affect signal quality?

Proper backing minimizes motion artifacts, reduces electromagnetic interference, and maintains consistent adhesion for reliable signal transmission.

Data Basis

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

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.

Electrode Body/Backing