Optical waveguides – Optical transmission cable – Ribbon cable
Reexamination Certificate
2006-12-19
2006-12-19
Prasad, Chandrika (Department: 2839)
Optical waveguides
Optical transmission cable
Ribbon cable
Reexamination Certificate
active
07151879
ABSTRACT:
A plurality of optical fibers are arranged in parallel and peripheries of the plurality of these optical fibers are integrally formed using a sheath. Here, the sheath is formed over the entire length of optical fiber ribbons and a flat portion of the sheath is formed substantially parallel to a common tangent of the neighboring optical fibers. A maximum value of a thickness of the optical fiber ribbons is set to a value which is larger than an outer diameter of the optical fibers by 40 μm or less. Due to such a constitution, it is possible to easily branch the optical fibers from the integrally formed optical fiber ribbons.
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Hattori Tomoyuki
Ishikawa Hiroki
Okada Keisuke
Okuno Kaoru
Sakabe Itaru
Prasad Chandrika
Sumitomo Electric Industries Ltd.
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