Microwave Absorbing Sheet Adhesive EMI Absorbing Material

Adhesive Sheet Absorbing Material for Targeted EMI Reduction and Microwave Energy Absorption

Adhesive Sheet Absorbing Material is a compact and highly effective RF absorption solution developed to address electromagnetic interference challenges in today’s densely integrated electronic systems. Featuring a multilayer absorbing structure combined with a high-strength pressure-sensitive adhesive, this material enables direct application onto device housings, shielding covers, and internal cavities, allowing engineers to implement EMI control without altering mechanical designs.

The absorbing sheet functions by attenuating microwave and RF energy through controlled magnetic and dielectric loss mechanisms. This process reduces signal reflection, suppresses cavity resonance, and limits electromagnetic coupling between adjacent components. Compared with traditional metallic shielding, adhesive absorbing materials provide localized absorption rather than reflection, making them especially suitable for high-speed digital circuits and wireless modules where reflected noise can degrade performance.

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