Metallic RF or thermal shield for automatic vacuum placement

Electricity: conductors and insulators – Anti-inductive structures – Conductor transposition

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174 35GC, 361736, 361816, H05K 900

Patent

active

055302025

ABSTRACT:
A metallic RF or thermal shield (200, 200', 200") has a non-perforated area (202) around its center of mass, of a radius (203) sufficient for pick-up and placement of the shield by automatic vacuum pick-up equipment during automated surface-mount circuit assembly.

REFERENCES:
patent: 4451436 (1984-05-01), O'Hare
patent: 4626963 (1986-12-01), Speer
patent: 4678699 (1987-07-01), Kritchevsky et al.
patent: 4881770 (1989-11-01), Marzinotto et al.
patent: 5089794 (1992-02-01), Norimatsu
patent: 5166772 (1992-11-01), Soldner et al.
patent: 5218334 (1993-06-01), Bartlett
patent: 5235131 (1993-08-01), Mueller et al.
patent: 5422433 (1995-06-01), Rivera et al.

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