8865-0145-93

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Radio Frequency Interference (RFI) and Electromagnetic Interference (EMI) - Contacts, Fingerstock and Gaskets

The 8865-0145-93 is a contact material targeted toward the critical needs for contacts, finger stock, and gaskets that are used in Radio Frequency (RF) and Electromagnetic Interference (EMI) applications. Such materials are made up of a combination of materials that have specialized properties and are specifically designed to provide the necessary shielding and grounding needed in highly sensitive RF and EMI environments.

EMI and RFI shielding works in a number of ways. One of the most common and critical uses is to protect delicate RF and EMI components from unintentionally interfering with one another. The basic principle is to isolate components or systems from electromagnetic fields. This is accomplished by making contact between the material and areas of the component or system that are prone to interference. This typically involves the use of metallic contacts and fingerstocks, as well as the use of EMI gaskets that provide additional contact and reduce ground loops. By placing contact points between the shield, the component, and the system, disruptions from the external electromagnetic fields are minimized.

The 8865-0145-93 contact material is composed of a combination of stainless steel and copper alloys. This combination provides both a rigid material that can handle the pressure needed to penetrate and contact a printed circuit board, as well as the flexibility needed to move and shift around as the circuit board flexes. The stainless steel provides the rigidity while the copper alloy imparts additional flexibility and durability; ensuring that the contact point remains undisturbed as the board moves or flexes.

The combination of the copper and stainless steel also provides a highly conductive material that ensures a minimum of RF and EMI leakage when making contact. This constant contact is critical for proper shielding performance and it also helps reduce the amount of vibration and noise caused by the circuit board movement.

The 8865-0145-93 contact material is also designed to be corrosion and EMI resistant, as it is specifically designed for use in extreme environments. The extreme heat and humidity associated with many of these applications can lead to corrosion of the contact and fingerstock resulting in reduced performance. This material is designed to withstand the harsh environmental factors associated with these applications while still providing the needed shielding and grounding for safe and reliable operation.

In addition, the 8865-0145-93 contact material is designed for easy and economical application. The material is cut into discrete pieces, each one sized and shaped for the particular application. This ensures that no wasted material is used and that the exact contact points needed to absorption of the RF and EMI signals are achieved. This also makes manufacturing quite easy and cost effective.

Overall, the 8865-0145-93 contact material is a great choice for highly sensitive and critical RF and EMI applications. It offers both flexibility and durability, while still providing the necessary corrosion and EMI resistance needed in these extreme environments. Additionally, its cost effectiveness and minimal waste make it an ideal choice for manufacturers and engineers alike.

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