1181 X 6"

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RFI and EMI-Shielding and Absorbing Materials revolve around the process of limiting and absorbing electromagnetic interference which relate to low and higher frequencies. In the case of 1181x6”, it is a material which is made in compliance to shielding concepts. RFI and EMI-Shielding and Absorbing Materials are materials that are used for blocking and attenuating the level of radiation that is found from both low and high sources of electromagnetic interference.

At the core of 1181x6” is a chemically treated aluminum foil shielding material. This shielding material is able to block 99% of the EMI/RFI radiation that is standard at frequencies up to 4.5 GHz. The aluminum foil has a 4.5 mil thick construction. With the patented process, this material is treated with a specially formulated adhesive in order to ensure durability and longevity to withstand the different types of elements that may lead to the degradation of the 1181x6” foils. A single-side double-sided PET film is then attached to the foil material, forming a 1181x6” composite which is highly resistant to corrosion and is abrasion resistant as well. Aside from that, it is extremely lightweight and can be able to resist humidity, direct sunlight, and more.

The 1181x6” is highly flexible and resistant to lower frequencies such as the ones in an RF chamber and up to 400 MHz. The application that this shielding material is perfect for includes cable, multiple board chipsets, antennas, and any kind of device or instrument that is found in the medical and military industry. By having EMI/RFI shielding through this material, it is able to offer a reliable protection and is a fraction of the cost of other shielding material.

In terms of working principle, most of the components of the 1181x6” are attached to the wire or the cable and then inhibits the passage of radiation. This is then aided with a low-cost and easily accessible aluminum foil that is used as a shield, and this is so the material can create a Farady Cage that is able to prevent the EMI/RFI radiation from escaping. The material ultimately is able to absorb and shield against undesirable radiation, including EMI/RFI radiation from escaping out of the equipment that is being protected.

In order to ensure a successful EMI/RFI shielding, it is important that the 1181x6” shielding material is lined correctly and conducting across the entire surface of the device or board. The side of the shielding material must have contact with the board or the device. If the contact is not complete or have not yet been tested, then the EMI/RFI shielding will not be able to reach its full potential.

In conclusion, the 1181x6” shielding material is a great way to maximize EMI and RFI shielding application while keeping the costs to a minimum. The aluminum foil material is highly flexible, and it is highly resistant to corrosion as well, making it a great material for shielding against EMI/RFI radiation. With a Farady cage in place to protect the device or board from passing through the radiation, the 1181x6” shielding material is able to do a great job of providing reliable and effective shielding from any kind of interference that may be present.

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