Method of fabricating a mold for fabricating optical fiber guide

Details Method of fabricating a mold for fabricating optical fiber guide Method of fabricating a mold for fabricating optical fiber guide

1999-12-22

2000-12-26

Vincent, Sean

Plastic and nonmetallic article shaping or treating: processes

Optical article shaping or treating

Including step of mold making

451 41, B29B 1100, B24B 722

Patent

active

061653942

ABSTRACT:
In a grindstone for fabricating a mold which has optical fiber engagement portions of an optical fiber guide block used for aligning optical fibers, two main grinding surfaces are provided to form the optical fiber engagement portions contacted with the sides of the optical fibers and a tip end portion which is contiguous to the two main grinding surfaces and which has a contour contained within a predetermined area. The predetermined area has a triangle shape which is defined by two tangent lines along the two main grinding surfaces and a preselected line drawn between two points determined on the two main grinding surfaces. The two points are decided in accordance with a predetermined formula.

REFERENCES:
patent: 5109460 (1992-04-01), Baek et al.
patent: 5425118 (1995-06-01), Sugihara et al.
patent: 5781675 (1998-07-01), Tseng et al.

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