Wave transmission lines and networks – Coupling networks – Delay lines including long line elements
Reexamination Certificate
2006-04-11
2006-04-11
Lee, Benny (Department: 2817)
Wave transmission lines and networks
Coupling networks
Delay lines including long line elements
C333S156000
Reexamination Certificate
active
07026891
ABSTRACT:
In accordance with the invention, a delay line comprises a spirally coiled strip transmission line encapsulated within conductive ground discs. In an advantageous embodiment the delay line is a monolithic ceramic structure produced by forming the stripline on green ceramic tape, spirally rolling the green stripline, encasing the rolled stripline in green ceramic encapsulating discs and cofiring the green assembly into a monolithic compact disc.
REFERENCES:
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patent: 4783359 (1988-11-01), Fleischer et al.
patent: 5923230 (1999-07-01), Yoshida et al.
patent: 924131 (1963-04-01), None
patent: 401096911 (1989-04-01), None
Lamina Ceramics, Inc.
Lee Benny
Lowenstein & Sandler PC
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