Semi-suspended coplanar waveguide on a printed circuit board

Details Semi-suspended coplanar waveguide on a printed circuit board Semi-suspended coplanar waveguide on a printed circuit board

2007-04-10

2007-04-10

Lee, Benny (Department: 2817)

Wave transmission lines and networks

Plural channel systems

With balanced circuits

C333S238000, C174S1170AS

Reexamination Certificate

active

11148564

ABSTRACT:
A printed circuit board includes two differential signal traces, a layer of core material, a layer of filler material, and a ground plane. The filler material is replaced by an air core under the differential signal traces.

REFERENCES:
patent: 2800634 (1957-07-01), Grieg et al.
patent: 5105055 (1992-04-01), Mooney et al.
patent: 6600395 (2003-07-01), Handforth et al.
patent: 6867668 (2005-03-01), Dagostino et al.
patent: 6924712 (2005-08-01), Tabatabai

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