Adhesive Sheet Absorbing Material for Compact EMI Control

Product Description

Adhesive Sheet Absorbing Material is a high-efficiency electromagnetic absorption solution developed for modern electronic systems that require reliable EMI control within limited installation space. By combining advanced absorbing compounds with a pressure-sensitive adhesive layer, this material enables fast, tool-free attachment to metal enclosures, shielding covers, and internal device surfaces, making it ideal for both design-stage integration and post-certification EMC optimization.

The absorbing sheet operates by transforming incident electromagnetic energy into heat through controlled magnetic and dielectric losses. This mechanism significantly reduces internal RF reflections, standing waves, and signal coupling that commonly affect high-speed digital circuits and wireless modules. Compared with traditional reflective shielding, adhesive absorbing material provides localized noise suppression directly at critical interference points, resulting in improved signal integrity and system stability.

Size of product

Standard size: 140mm*180mm; tolerance ±3mm

Can be customized and die-cut according to customer requirements; can be back-glued according to customer requirements

Application fields

Communication System

Microwave Devices And High Frequency Equipment

Notebook PC

Consumer Electronics

Some product models and parameters

Note: ① The parameters shown are for reference only, and the actual test and technical agreement shall prevail; ② The metal back is best for absorbing waves.

Chengdu Haojing Electromagnetic Measurement and Control Technology Co., Ltd.

Located in Chengdu, the “Land of Abundance” in Sichuan Province, China, Chengdu Haojing Electromagnetic Measurement and Control Technology Co., Ltd. is a leading provider of electromagnetic functional materials and structures (EMMS). the company has focused on mainstream products and cutting-edge technologies in the EMMS industry. Through persistent independent innovation, it has broken through foreign technological blockades to achieve self-reliance and control in core technologies.

Technology 

The company focuses on fundamental research, applied studies, and industrialization exploration in the EMMS field. It has developed a series of core technologies in material mechanisms, performance design, system selection, synthesis formulations, and process implementation. With nearly 100 patents and 12 core technologies, the company has successfully commercialized its scientific achievements. The company maintains long-term cooperative relationships with leading domestic enterprises in EMMS application industries, universities, and research institutes

Platform

The company has established several national and Sichuan provincial-level innovation platforms, including the "National Electromagnetic Radiation Control Materials Engineering Technology Research Center Achievements Transformation Base", "Sichuan Provincial Enterprise Technology Center", "Sichuan Provincial Electromagnetic Functional Materials and Structural Engineering Technology Research Center", and "Sichuan Provincial Electromagnetic Compatibility Materials and System Engineering Research Center". It has undertaken major scientific research projects at both national and provincial-ministerial levels.

Qualifications

Laboratory CNAS certification, quality management system. Occupational health and safety management system. Environmental management system certification.

Honors

National manufacturing single champion enterprises, national specialized and refined "little giant" enterprises, national high-tech enterprises;

National Science and Technology Progress Award, Second Prize; Sichuan Provincial Science and Technology Progress Award, First Prize;

Anechoic Chamber System Integration

Chengdu Haojing provides high-end microwave anechoic chamber measurement solutions, offering customers professional, efficient, long-lasting, and easy-to-maintain testing systems. These include the Contraction Field RCS measurement system, Contraction Field antenna measurement system, and antenna near-field/away-field testing system, covering both individual components and complete turnkey projects.

Based on its own technological advantages and industrial development, Chengdu Haojing has established a collaborative innovation mechanism with universities to establish Sichuan Electromagnetic Compatibility Materials and System Engineering Research Center, and carried out key technology research and achievement transformation in the field of microwave measurement system.

Exhibition