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Shielding arrangement for inter-component shielding in electronic devices

  • US 6,426,881 B1
  • Filed: 10/04/2000
  • Issued: 07/30/2002
  • Est. Priority Date: 10/04/2000
  • Status: Expired due to Fees
First Claim
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1. A shielding gasket for interposition between a shield housing and a juxtaposed circuit board to shield plural electronic components and related circuitry located on the circuit board within corresponding plural discrete areas bounded by given boundaries including area boundaries extending around each discrete area and perimetric boundaries extending around the plural discrete areas, the shield housing including contact surfaces for juxtaposition with the circuit board and portions spaced altitudinally from at least some of the given boundaries at predetermined locations along the given boundaries, the shielding gasket establishing inter-component shielding between the plural electronic components and related circuitry within the area boundaries, as well -as enhancing overall perimetric shielding of the plural electronic components within the perimetric boundaries, the shielding gasket comprising:

  • a relatively thin, flexible sheet of electrically conductive material;

    a pattern of strips extending longitudinally and laterally along the sheet, the pattern of strips corresponding to the given boundaries such that the strips are juxtaposed with the given boundaries when the shielding gasket is interposed between the shield housing and the circuit board, the strips including first strips for interposition between the contact surfaces of the shield housing and the circuit board along some of the given boundaries, and second strips for extending along others of the given boundaries;

    a multiplicity of contactors located along each strip and projecting altitudinally from each strip for establishing contact forces to enhance electrical shielding contact between the shield housing and the circuit board, through the shielding gasket, upon interposition of the shielding gasket between the shield housing and the circuit board; and

    partitions integral with the second strips and extending along and altitudinally from the second strips at prescribed locations corresponding to the predetermined locations for engaging the shield housing at the predetermined locations to complete the inter-component shielding between the plural electronic components and related circuitry upon interposition of the shielding gasket between the shield housing and the circuit board.

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