Waveguide in multilayer structures and resonator formed...

Wave transmission lines and networks – Resonators – Coaxial or shielded

Reexamination Certificate

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C333S243000, C333S238000

Reexamination Certificate

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07053735

ABSTRACT:
The idea of the invention is to fabricate a multilayer coaxial transmission line into a printed circuit. The outermost conductor is fabricated by conductive strips in different layers, using conductive via posts in isolation layers connecting the strips. The innermost conductor can be a single conductive strip or multi strips in different layers connected together through conductive via posts.

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patent: 6465732 (2002-10-01), Dueweke
patent: 6535088 (2003-03-01), Sherman et al.
patent: 0911903 (1999-04-01), None
patent: 01/95242 (2001-12-01), None

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