Abrading – Precision device or process - or with condition responsive... – With feeding of tool or work holder
Patent
1994-04-21
1996-04-02
Kisliuk, Bruce M.
Abrading
Precision device or process - or with condition responsive...
With feeding of tool or work holder
451 10, 451 37, 451 41, 451 57, 451285, 451398, B24B 1100
Patent
active
055035906
ABSTRACT:
A constant range polishing apparatus for polishing an end face of an optical fiber connector ferrule. The apparatus comprises a polishing plate adapted to be rotated about a polishing plate axis for polishing the end face of the connector ferrule. The polishing plate includes a disc-shaped substrate having a circular surface including an outer ring area, an inner ring area disposed radially inwardly with respect to the outer ring area, and an inner portion disposed radially inwardly with respect to the inner ring area. The polishing plate further includes a ring grinding wheel disposed on the outer ring area for forming an adhesive removing ring area; a first elastic film polisher disposed in a region defined by the inner ring area and at a distance from the surface of the substrate, the first elastic film polisher forming a rough polishing ring area; and a second elastic film polisher disposed in a region defined by the inner portion and at a distance from the surface of the substrate, the second elastic film polisher forming a final polishing ring area. The apparatus further includes: a chuck for holding the connector ferrule at a position opposite the polishing plate, the chuck being rotatable about an axis of the connector ferrule; a mounting substrate disposed for rotatably supporting the chuck; and a drive means for positioning the polishing plate and the mounting substrate relative to one another.
REFERENCES:
patent: 4839993 (1989-06-01), Masuko et al.
patent: 5007209 (1991-04-01), Saito et al.
patent: 5349784 (1994-09-01), Grois et al.
Ohira et al., "Development of Optical Fiber Connector . . . the Polished Surface Damage", pp. 122-125, ASPE 1993 Annual Meeting, Nov. 7-12, 1993.
The Institute of Electronics, Information and Communication Engineers 1993, Session C-249 in Autumn, 1993, "High-Speed High-Precision Optical . . . and Constant Pressure Control", Saito et al., pp. 4-329.
Kenji Uchino, "Piezoelectric/Electrostrictive Actuators", Morikita Publishing, p. 101.
Nagayama Akira
Saitoh Tadao
Kisliuk Bruce M.
Morgan Eileen P.
Nippon Telegraph and Telephone Corporation
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