Stock material or miscellaneous articles – Structurally defined web or sheet – Nonplanar uniform thickness material
Reexamination Certificate
2001-12-26
2008-11-04
Chevalier, Alicia (Department: 1794)
Stock material or miscellaneous articles
Structurally defined web or sheet
Nonplanar uniform thickness material
C428S156000, C428S167000, C385S114000, C385S115000, C385S123000
Reexamination Certificate
active
07445832
ABSTRACT:
A ribboned polarization-maintaining fiber is used to easily manufacture a polarization-maintaining optical fiber array with multiple fibers and improve the work efficiency and yield. The ribboned polarization-maintaining fiber includes a plurality of polarization-maintaining fibers, and has a ribbon portion of 2 to 300 mm in length surrounding at least some of the polarization-maintaining fibers. The ribboned polarization-maintaining fiber is manufactured by arranging the polarization-maintaining fibers with an exact pitch width while the end face of the polarization-maintaining fibers are rotationally adjusted so as to have a predetermined plane of polarization and then by fixing and coating a part thereof by and with an adhesive, thereby forming the ribbon portion.
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U.S. Appl. No. 10/027,793, filed Dec. 21, 2001, Akira Matsumoto et al.
Fukuyama Masashi
Matsumoto Akira
Burr & Brown
Chevalier Alicia
NGK Insulators Ltd.
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