The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 15, 1988
Filed:
Mar. 12, 1987
Applicant:
Inventor:
William P Trumble, Kanata, CA;
Assignee:
Northern Telecom Limited, , CA;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B05D / ; C23C / ; G02B / ; G02B / ;
U.S. Cl.
CPC ...
427163 ; 427164 ; 427167 ; 20419214 ; 20419223 ; 20419226 ; 20419227 ; 20419231 ; 350 9629 ; 350 963 ; 350 9631 ; 350 9633 ;
Abstract
Optical conductors, useful in the transmission of data-encoding light beams, that comprise an optically transmissive rod carrying one or more cavities, each with a border defining an inclined planar surface, can be produced via a method comprising the steps of (1) coating the rod, via plasma-assisted physical vapor deposition, with an amorphous material of lower refractive index than the rod's; and (2) rendering each inclined planar surface light-reflective. The sequence of steps (1) and (2) can be reversed.