Lensed optic fiber terminus and method
Patent 4854663 Issued on August 8, 1989. Estimated Expiration Date: 
January 11, 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.
January 11, 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 ReferencesSingle optical fiber connector utilizing spherical alignment elements Fiber optic termination and method of making same Fiber optic connector assembly with slidable spacer Coupling of dielectric optical waveguides Patent #: 4497536 InventorsAssigneeApplicationNo. 07/142650 filed on 01/11/1988US Classes:385/77, At or immediately surrounding an optical fiber end face385/33LensExaminersPrimary: Gonzalez, FrankAttorney, Agent or FirmInternational ClassesG02B 6/255 (20060101)G02B 6/32 (20060101) G02B 6/26 (20060101) AbstractAn optic fiber connection apparatus and method are provided which enables positioning of a lens or bead at the end of an optic fiber at a selected distance from the end of the contact or terminus while maintaining a closely controlled lateral position of the bead. The contact has a hole extending along its axis, with a cylindrical front portion of a diameter to closely surround the lens at the end of the optic fiber. In addition or alternatively, the hole that receives the fiber may have a diameter to closely surround the fiber, and a shoulder intermediate the contact front and rear end. The optic fiber can be slid within the contact to extend its end beyond the contact so a lens can be formed on the tip of the fiber. Thereafter the fiber is slid backward into the contact. The lens is slid backward or foward against a positioning tool to a final lens position forward of the shoulder.Other References
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