30210005

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When it comes to RFI and EMI shielding, contacts, fingerstock, and gaskets are essential components. In the 30210005 application field, these components play a critical role in protecting sensitive electronic components from electromagnetic interference. This article explains the working principle of contacts, fingerstock, and gaskets used in RFI and EMI shielding applications.

Contacts

Contacts are made from a conductive material (such as copper) that is formed into small strips or rods. These contacts are used in two ways: as shielding around discrete components or as shielding around an entire circuit board. Contacts are placed between the shielding material and the electronic component (or entire circuit board) to create a low-resistance path and form a Faraday cage around the component (or circuit board). It is important to use sufficient contact points and to maintain the contact points in order to achieve effective EMI shielding.

Fingerstock

Fingerstock is a flexible metal material that is used to create a conductive pathway between two surfaces. It is available in various shapes, sizes, and lengths. Fingerstock is typically used in RFI/EMI shielding applications to create a low-impedance connection between the shielding material and a large object (such as a circuit board). It is also used to fill in gaps between the shielding material and the object.

Gaskets

Gaskets are made from a conductive foam with elastomeric properties that is combined with a metallic surface. Gaskets are often used in conjunction with contacts and fingerstock to provide a complete shield for an enclosure. The gasket material itself does not provide any shielding, but it helps to ensure that a tight seal is created between the shielded object and the surrounding material. This tight seal prevents any EMI from entering (or exiting) the shielded space.

In summary, in the 30210005 application field, contacts, fingerstock, and gaskets are used to provide effective EMI shielding by creating a low-resistance pathway for the signal to travel. Contacts are used to provide direct contact between the shielding material and the electronic components. Fingerstock is used to provide a low-impedance connection between the shielding material and a large object. Gaskets are used to provide a tight seal between the shielding material and the object, thus preventing any EMI from entering (or exiting) the shielded space.

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