Adhesive bonding and miscellaneous chemical manufacture – Delaminating processes adapted for specified product – Delaminating in preparation for post processing recycling step
Patent
1986-10-22
1988-03-29
Miller, Stanley D.
Adhesive bonding and miscellaneous chemical manufacture
Delaminating processes adapted for specified product
Delaminating in preparation for post processing recycling step
350 961, 156158, 156159, 1563042, G02B 629, H01S 330, B31F 500
Patent
active
047339306
ABSTRACT:
To a carrier (1, 1') there is cemented a bar of a material (3, 3'), for example glass or a ceramic material, which is subsequently divided, using cuts (7, 7') which extend transversely of its longitudinal direction, into a number of slices (9, 9') which are separately cemented to the carrier. Each slice (9, 9') is provided with a groove (13, 13') which extends parallel to the cuts (7, 7'). The grooves (13, 13') are curved and have a center of curvature which is situated at the side of the bar (3, 3') which faces the carrier (1, 1'). In the grooves (13, 13') there are secured optical fibres (19, 19') which follow the curvature of the groove, after which a side portion of the fibres which is situated furthest from the carrier (1, 1') is ground off. A flat ground face (21, 21') is thus formed one each fibre (19, 19'). Such ground fibres (19, 19') are arranged so that their ground faces contact one another in order to form directional couplers, after which the slices (9, 9') are detached from the carrier (1, 1').
REFERENCES:
patent: 4387954 (1983-06-01), Beasley
patent: 4461536 (1984-07-01), Shaw et al.
patent: 4511207 (1985-04-01), Newton et al.
patent: 4622663 (1986-11-01), Ishikawa et al.
patent: 4676583 (1987-06-01), Hicks, Jr.
Severijns Adrianus P.
Severin Petrus J. W.
Steenbakkers Johannes A. M.
Bartlett Ernestine C.
Davis B. P.
Miller Stanley D.
U.S. Philips Corporation
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