Optical waveguides – Optical fiber waveguide with cladding – Utilizing nonsolid core or cladding
Reexamination Certificate
2005-05-20
2010-02-16
Rahll, Jerry T (Department: 2874)
Optical waveguides
Optical fiber waveguide with cladding
Utilizing nonsolid core or cladding
Reexamination Certificate
active
07664356
ABSTRACT:
A hollow waveguide has a metal-clad pipe having an inside metal layer and an outside metal layer, and a hollow region formed inside of the metal-clad pipe. The metal-clad pipe is formed by pressure-bonding metal pipes each of which is made of a metal material different from each other.
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patent: 8-234026 (1996-09-01), None
patent: 2002-71973 (2002-03-01), None
Hongo Akihito
Koike Tadashi
Hitachi Cable Ltd.
McGinn IP Law Group PLLC
Rahll Jerry T
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