Coplanar line, and a module using the coplanar line

Details Coplanar line, and a module using the coplanar line Coplanar line, and a module using the coplanar line

2005-08-09

2005-08-09

Cao, Phat X. (Department: 2814)

Active solid-state devices (e.g., transistors, solid-state diode

Superconductive contact or lead

Transmission line or shielded

C257S664000

Reexamination Certificate

active

06927477

ABSTRACT:
This invention provides a newly designed coplanar line and an optical module or an electrical module using the coplanar line. The coplanar line comprises a signal transmission line and a pair of ground planes, each are arranged both sides of the signal transmission line. The coplanar line comprises three portions. The first portion has a relatively narrow width of the signal transmission line and the distance to the ground planes. The second portion has a relatively wider width of the signal transmission line and the distance to the ground planes, and the third portion smoothly connects the first portion to the second portion. The distance to the ground planes in the third portion has an exponential relation to the width of the signal transmission line thereof.

REFERENCES:
patent: 2002/0181853 (2002-12-01), Ido et al.
patent: 2004/0165840 (2004-08-01), Kato et al.
patent: 6-303010 (1994-10-01), None
patent: P2000-261216 (2000-09-01), None

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