Folding delay line

Details Folding delay line Folding delay line

1989-05-16

1991-07-09

Laroche, Eugene R.

Wave transmission lines and networks

Coupling networks

Delay lines including long line elements

333140, 336200, H01P 900, H03H 730

Patent

active

050309315

ABSTRACT:
A flexible laminated delay line assembly formed to include a plurality of patterned regions which may be folded into sandwiched relation to one another without affecting electrical continuity. The transmission line layer is laminated between successively adjacent dielectric and ground plane layers. Windows cut into the ground plane and dielectric layers facilitate folding and decoupling of a support spine, folding of the conductor sections and sizing of the assembly. In one construction, the dielectric layers comprise a flexible insulative substrate laminated between upper and lower thermoset layers. In another construction the dielectric layers comprise a polyetherimide that is melt flowed about the pathways of the transmission line.

REFERENCES:
patent: 2911605 (1959-11-01), Wales, Jr.
patent: 3594665 (1971-07-01), Metcalf et al.
patent: 3609600 (1971-09-01), Kassabji et al.
patent: 3670270 (1972-06-01), Stoney

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