Stripline shielding and grounding system

Details Stripline shielding and grounding system Stripline shielding and grounding system

1990-11-19

1992-06-02

Gensler, Paul

Wave transmission lines and networks

Transmission line inductive or radiation interference...

174 35R, 361424, 333246, H05K 900

Patent

active

051190478

ABSTRACT:
A stripline circuit grounding and shielding system has specially configured ground plane foil sheets that are applied to opposite sides of a module substrate. The sheets extend beyond perimeter edges of the substrate, being folded into overlapping contact and soldered together. Intersecting slits made in the sheets permit tab portions of each sheet to be formed about protruding circuit components of the module. Cover plates on each side of the module have cavities for receiving the protruding component portions, together with the sheet tab portions, which are biased against the components by spring members that are also retained by the cavities. The soldered edges of the sheets provide excellent EMI shielding, while the tab portions provide short, low resistance ground paths for the components, without introducing harmful air gaps, because no soldering is done at the ground planes of the sheets.

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