Directional stripline structure and manufacture

Details Directional stripline structure and manufacture Directional stripline structure and manufacture

1990-02-02

1991-07-16

Arbes, Carl J.

Wave transmission lines and networks

Plural channel systems

Having branched circuits

29830, 29831, 361414, H01P 518, H05K 320

Patent

active

050328034

ABSTRACT:
This disclosure describes a double-sided transmission substrate formed with striplines and end-ports in juxtaposition on either side. The transmission substrate is sandwiched between two exterior dielectric substrates, each coated on one side with a metallic layer. The three substrates are laminated together. Through-holes are drilled into the lamination and its interior substrate, at known locations to intersect the said ports. The copper exteriors of each board are etched to identify two contact pad lands on each side. Plated-thru holes are created to connect to each of the ports.

REFERENCES:
patent: 3568000 (1971-03-01), D'Aboville et al.
patent: 4494083 (1985-01-01), Josefsson et al.
patent: 4812792 (1989-03-01), Leibowitz
patent: 4821007 (1989-04-01), Fields et al.
patent: 4823097 (1989-04-01), Konishi et al.
patent: 4864722 (1989-09-01), Lazzarini et al.
IEEE Transactions on Microwave Theory and Techniques, vol. 36, No. 6, Jun. 1988, pp. 1057-1063, by Konishi et al.
"Characteristic Impedances of Broadside-Coupled Strip Transmission Lines," by S. B. Cohn, Trans. IRE, vol. PGM TT-8, 6, pp. 633-637 (Nov. 1960).

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