Glass manufacturing – Processes – With coating
Patent
1997-04-04
1998-10-27
Chin, Peter
Glass manufacturing
Processes
With coating
65 6053, 65 64, 65102, 65DIG8, 427108, 4271262, C03C 1700, C03C 2502, C03B 2300, C03B 2100
Patent
active
058273425
ABSTRACT:
A method for forming a substantially flat planar lightwave optical circuit which has a substantially flat planar silica substrate and a sintered glassy lightguiding layer over the silica substrate. The structure is given a post treatment at an elevated temperature for a time sufficient to flatten said structure and overcome any distortion caused by the difference in the coefficient of thermal expansion of the substrate and any glassy layers formed over the substrate. Alternatively, the silica substrate may be heated and presagged to a predetermined degree to compensate for distortion or warpage which will occur in later processing.
REFERENCES:
patent: 4501602 (1985-02-01), Miller et al.
patent: 5043002 (1991-08-01), Dobbins et al.
patent: 5152819 (1992-10-01), Blackwell et al.
patent: 5154744 (1992-10-01), Blackwell et al.
patent: 5261022 (1993-11-01), Sun et al.
patent: 5378256 (1995-01-01), Green et al.
patent: 5483613 (1996-01-01), Bruce et al.
patent: 5556442 (1996-09-01), Kanamori et al.
Polarisation-Insensitive Arrayed-Waveguide Grating Multiplexer with SiO.sub.2 -on-SiO.sub.2 Structureby S. Suzuki et al. in Electronics Letters, Apr. 19, 1994, vol. 30, No. 8, pp. 642-643.
Suzuki, S. et al. "Polarisation-insensitive arrayed-waveguide grating multiplexer with SiO2-on-SiO2 structure" Electronics Letters, 14 Apr. 1994, vol. 30 No. 8 pp. 642-643.
Beguin Alain Marcel Jean
Boek Heather
Maschmeyer Richard Orr
Trouchet Denis M.
Chin Peter
Corning Incorporated
Greener, Esq. William
Ruller Jacqueline A.
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