Abrading – Abrading process – Glass or stone abrading
Patent
1994-06-28
1995-10-17
Rose, Robert A.
Abrading
Abrading process
Glass or stone abrading
451 57, B24B 1100, B24B 1300
Patent
active
054585287
ABSTRACT:
A method of polishing ferrules used in optical fiber connectors centers the apex of the spherical end face of the ferrule on the fiber axis. The invention is directed to ferrules whose ends are angled and generally spherical, providing angled physical contact (APC) between a pair of interconnected fibers. These ferrules commonly have a chamfer from the outermost diameter leading to the spherical, angled end face. In such prior art ferrules, the apex of the spherical end face does not coincide with the fiber axis, leading to a potential gap between the fiber ends, which affects several performance factors, including insertion loss, stability and repeatability. The present invention provides several practical methods for imparting an APC finish to a chamfered ferrule while maintaining the apex of the spherical end face on the fiber axis.
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Lurie Edward B.
Selli Raman K.
Griswold Gary L.
Kirn Walter N.
Minnesota Mining and Manufacturing Company
Musgrove Jack V.
Rose Robert A.
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