Electromagnetic Interference (EMI) shielding

According to a new market report published by Credence Research “Global EMI Shielding Materials Market Growth, Future Prospects and Competitive Analysis, 2018 – 2026,” the EMI shielding materials market is expected to grow at a CAGR of 5.6% from 2018 to 2026.

Market Insights:

Electromagnetic Interference (EMI) shielding can be defined as absorption or reflection of electromagnetic radiation with the help of materials positioned in the way of the electromagnetic waves. EMI shielding is gaining traction in electronics industry, owing to increasing usage of electronics in different end-use industries such as defense & aerospace, healthcare, consumer electronics, telecom & IT and so on.

Browse the full EMI Shielding Materials Market by component (conductive coating & paints, metals, laminates, conductive plastics and others), by application (defense & aerospace, healthcare, automotive, telecom & IT, consumer electronics and others) and by geography (North America, Europe, Asia Pacific, Latin America and Middle East & Africa) – Market Growth, Future Prospects and Competitive Analysis, 2018 – 2026 at http://www.credenceresearch.com/report/emi-shielding-materials-market

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EMI shielding materials such as conductive coatings, metals, laminates and others are used to prevent malfunctioning of electronic devices by filtering the incoming and outgoing interferences. High demand of EMI shielding materials from 4G/LTE cellular infrastructure worldwide and compliance to EMI regulations are major factors fuelling the growth of the EMI shielding materials market. EMI shielding materials market is growing due to the rapid increase in sources generating electromagnetic fields and the reliability of these materials to protect the electronic devices from electromagnetic radiation. However, the high cost of EMI shielding increases the overall cost of devices. Hence, selection of right materials play a very crucial role in the pricing of any electronic/electrical device. EMI shielding material must be both cost-effective as well as comply with emission standards laid down by European Union under initiatives such as Restriction of Hazardous Substances (RoHs) and Waste Electrical and Electronic Equipment (WEEE), and capable of being safely disposed of or recycled at the end of product life.

Companies operating in the EMI shielding materials market are focusing on research and development to produce innovative products with advanced specifications in terms of operating frequencies, material compatibility, corrosive considerations, operating environment, shielding, grounding, EMC compliance, load & forces and cost. Manufacturers are also resorting to strategic partnerships and mergers & acquisitions to expand their reach in the market. For instance, on 1st July 2017, Parker Hannifin Corporation acquired Germany based Jager Automotive Polska Sp. z.o.o., thus strengthening Parker’s position in the engineered materials market.

The key players in EMI shielding materials market are: 3M, Parker Chomerics, ETS – Lindgren Inc., Henkel AG, Laird PLC., PPG Industries Inc., LG Chem Ltd., Leader Tech, Incorporated., Parket Hanfin Corporation, KGS Kitagawa Industries Co. Ltd., PPG Industries, RTP Company, Schaffner Holdings AG, Tech-Etch, Inc.

Key Trends:

  • Commoditization of consumer electronics, increasing use of electronics components and systems in automotive and telecom industry, and growing popularity of the hybrid vehicles is expected to drive the EMI shielding materials market
  • Asia Pacific region offers several growth opportunities for the EMI shielding materials market owing to flourishing automotive and consumer electronics industry

By Component:

  • EMI shielding tapes and laminates
  • EMI/EMC filters
  • Conductive coatings and paints
  • Metal shielding products
  • Conductive polymers

By Method:

  • Radiation
  • Conduction

By Industry:

  • Consumer electronics
  • Automotive
  • Healthcare
  • Defense and Aerospace
  • Telecom & IT
  • Others

Electromagnetic shielding is the practice of reducing the electromagnetic field in a space by blocking the field with barriers made of conductive or magnetic materials. Shielding is typically applied to enclosures to isolate electrical devices from their surroundings, and to cables to isolate wires from the environment through which the cable runs. Electromagnetic shielding that blocks radio frequency electromagnetic radiation is also known as RF shielding.

The shielding can reduce the coupling of radio waves, electromagnetic fields and electrostatic fields. A conductive enclosure used to block electrostatic fields is also known as a Faraday cage. The amount of reduction depends very much upon the material used, its thickness, the size of the shielded volume and the frequency of the fields of interest and the size, shape and orientation of apertures in a shield to an incident electromagnetic field.

Materials used
Typical materials used for electromagnetic shielding include sheet metal, metal screen, and metal foam. Any holes in the shield or mesh must be significantly smaller than the wavelength of the radiation that is being kept out, or the enclosure will not effectively approximate an unbroken conducting surface.

Another commonly used shielding method, especially with electronic goods housed in plastic enclosures, is to coat the inside of the enclosure with a metallic ink or similar material. The ink consists of a carrier material loaded with a suitable metal, typically copper or nickel, in the form of very small particulates. It is sprayed on to the enclosure and, once dry, produces a continuous conductive layer of metal, which can be electrically connected to the chassis ground of the equipment, thus providing effective shielding.

RF shielding enclosures filter a range of frequencies for specific conditions. Copper is used for radio frequency (RF) shielding because it absorbs radio and magnetic waves. Properly designed and constructed copper RF shielding enclosures satisfy most RF shielding needs, from computer and electrical switching rooms to hospital CAT-scan and MRI facilities. Source- Wikipedia

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