Fiber optic lens
Patent 4844580 Issued on July 4, 1989. Estimated Expiration Date: 
May 16, 2008. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
May 16, 2008. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 3183721 3379217 3393988 3537833 Coupling-equipped light guide Detachable connector for optical fibres Etching of optical fibers Method for mounting microsphere coupling lenses on optical fibers Optical fibre terminations and connectors Optical fibre connectors InventorsAssigneeApplicationNo. 07/194662 filed on 05/16/1988US Classes:385/35, Spherical359/900, METHODS385/61, Lens-shaped ferrule385/68, Capillary tubes65/108Reshaping of tubular preform, retaining cavityExaminersPrimary: Sikes, William L.Assistant: Ullah, Akm E. Attorney, Agent or FirmInternational ClassesG02B 6/42 (20060101)G02B 6/32 (20060101) G02B 6/26 (20060101) AbstractA lens for an optical fiber is formed on the end of a capillary glass tube which is then fitted over an optical fiber. The lens can be formed by mounting a capillary tube in a spindle, and rotating and heating the end of the tube until centrifugal force forms the lens as a bulbous portion. | |
