Optical fiber ribbon and method op manufacture
US T900002 I4
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DEFENSIVE PUBLICATION UNITED STATES PATENT OFFICE Published at the request of the applicant or owner in accordance with the Notice of Dec. 16, 1969, 869 0.G. 687. The abstracts of Defensive Publication applications are identified by distinctly numbered series and are arranged chronologically. The heading of each abstract indicates the number oi. pages or specification, including claims and sheets of drawings contained in the application as originally filed. The iilcs of these applications are available to the public'for inspection and reproduction may be purchased for 30 cents a sheet.
Defensive Publication applications have not been examined as to the merits of alleged invention. The Patent Ofllce makes no assertion as to the novelty ot the disclosed subject matter;
PUBLISHED JULY 18, 1972 T900,002 OPTICAL FIBER RIBBON AND METHOD OF MANUFACTURE Jack Barnett Wielar II, Wilmington, Del., assignor to lg. du Pont de Nemours and Company, Wilmington,
Filed Feb. 8, 1971, Ser. No. 113,563 Int. Cl. G02b 5/16 U.S. Cl. 350-96 B 1 Sheet Drawing. 10 Pages Specification Optical fiber ribbons of unitary and substantially planar construction are provided wherein a plurality of polymeric optical filaments are aligned and adhesively secured in side-toside relationship to provide a non-woven ribbon which may be frustrated at any desired or selected location along its length to provide light emission thereat of any light adapted to be transmitted by said optical filaments of said ribbon.
An especially useful construction employing the optical ribbon comprises several layers of the non-woven fiber ribbon secured together by any suitable means such as adhesives to provide a unitary image guide structure. The layers of the image guide need not be secured together along the entire length thereof, but can be secured together at only the respective ends of the image guide. In all instances, however, each optical ribbon layer of the image guide must be similarly aligned at each end of the image guide in order to properly transmit an image from one end of the image guide to the other.
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OPTICAL FIBER RIBBON AND METHOD OF MANUFACTURE Filed Feb. 8, 1971 INVENTOR JACK BARNETT WIELAR 11' ATTORNEY