Ag/AgCl ECG Electrodes | OMORI Printed Silver/Silver Chloride Electrodes – Medical Solutions For ECG Monitoring

As a specialized manufacturer of medical electrodes for biosignals, OMORI focuses on the R&D and production of Ag/AgCl electrodes. Leveraging our proprietary printed Ag/AgCl circuit technology and a comprehensive in-house production system, we provide end-to-end electrode solutions to global medical device and wearable health technology companies. ECG and EEG signals are faint bio-electrical signals at the microvolt level. Electrodes serve as the interface for signal interaction between human skin and monitoring equipment; thus, electrode quality directly determines the reliability of the captured waveforms. Conventional electrodes often suffer from drawbacks such as impedance drift, signal noise, and skin irritation, making it difficult to simultaneously meet the diverse requirements of clinical settings and wearable devices.

With printed Ag/AgCl circuits at the core of our sensing technology, OMORI balances signal performance, durability, and wearer safety, ensuring compatibility with both traditional medical equipment and next-generation flexible monitoring products.

Comparison of different electrode system options

While carbon-based electrodes are inexpensive, they suffer from high polarization and noise, making them unsuitable for long-term, high-precision signal acquisition; conversely, standard pure-metal electrodes are prone to corrosion by sweat electrolytes, leading to a progressive increase in impedance over time. Thanks to its stable redox couple, the Ag/AgCl system is currently the preferred material in the industry for the clinical acquisition of weak bio-signals such as ECG and EEG.

I. Key Advantages of OMORI Ag/AgCl Printed Circuit Electrodes

1. Stable Bio-electrical Signal Conversion

Silver/Silver Chloride (Ag/AgCl) circuitry is printed onto a flexible substrate, integrating signal acquisition and transmission functions while eliminating the need for external metal wires.

2. Excellent Electrolyte Resistance, Suitable for Continuous Monitoring

OMORI Ag/AgCl electrodes exhibit superior corrosion resistance; contact impedance remains stable with minimal performance fluctuation during 24-hour Holter monitoring and multi-day wearable monitoring applications.

3. Reliable Skin-Contact Safety

The electrode assembly utilizes medical-grade backing materials, hypoallergenic pressure-sensitive adhesive, and specialized conductive hydrogel. Designed and manufactured in compliance with biocompatibility standards, the electrodes are suitable for long-term application on diverse populations-including adults, pregnant women, and newborns-minimizing the risk of skin irritation.

The complete electrode patch comprises printed circuitry, conductive hydrogel, a backing substrate, and connection components.

4. OMORI Manufacturing with High Customizability

All production stages-from Ag/AgCl paste screen printing, precision die-cutting, and hydrogel lamination to electrode snap riveting and final assembly-are completed in-house. Electrode shape, size, substrate, and circuit layout can be customized to accommodate both prototyping and mass production; the product range includes standard disposable ECG electrodes as well as ultra-thin, custom-shaped flexible patches for wearable devices.

II. Diverse Applications of Ag/AgCl ECG Electrodes

Clinical ECG and Dynamic Cardiac Monitoring: Compatible with hospital ECG machines, bedside monitors, and Holter recorders for capturing cardiac bioelectrical signals from patients in clinical settings.

Obstetric Monitoring: Multi-lead electrodes specifically designed for abdominal monitoring, balancing long-term signal stability with skin safety requirements to meet obstetric clinical needs.

EEG and Neurological Testing: Low-noise electrodes capable of capturing faint brain signals, used in sleep studies, epilepsy screening, and research projects involving brain-computer interfaces.

Wearable Smart Healthcare: Electrodes fabricated on flexible TPU or PET substrates, offering excellent conformability; suitable for integration into smart textiles, fitness monitoring patches, and home health devices.

OMORI implements comprehensive quality control covering the entire process-from incoming raw materials and in-process inspections to finished product testing. Product performance testing adheres to industry standards for medical electronics; every batch undergoes multiple tests, including impedance consistency, adhesion, dimensional accuracy, and skin irritation. All production and testing records are fully archived to ensure batch traceability, and relevant compliance documentation can be provided upon customer request.

Leveraging mature silver/silver-chloride (Ag/AgCl) printed circuit technology and extensive OEM/ODM project experience, OMORI delivers highly reliable and cost-effective medical electrode solutions to medical device partners worldwide.