Glass manufacturing – Processes – Forming product or preform from molten glass
Patent
1982-06-08
1984-06-12
Fisher, Richard V.
Glass manufacturing
Processes
Forming product or preform from molten glass
65 313, 65 42, 65 31, 156155, C03B 37025, C03C 2300
Patent
active
044539622
ABSTRACT:
A number of three-layer optical fibers each having a core a cladding and an overcoating layer of acid-soluble glass material are bonded together by means of an adhesive which can be removed by applying heat. The bonded optical fibers are heated and stretched to obtain a solid optical fiber bundle. The solid optical fiber bundle is brought into contact with an acid to elute (leach away) the overcoating layer of the acid-soluble glass material.
REFERENCES:
patent: 3188188 (1965-06-01), Norton
patent: 3383192 (1968-05-01), Siegmund
patent: 3830667 (1974-08-01), Carpenter
patent: 3981706 (1976-09-01), Strack
patent: 4175940 (1979-11-01), Siegmund
patent: 4389089 (1983-06-01), Strack
Tachibana et al., ". . . Fiberscopes Using Leached Fiber Image Bundles," J. Non-Crystalline Solids, May-Jun. 1980, pp. 803-805.
Harada Yuho
Kumakura Yoshiyuki
Kuwayama Shigeo
Maruyama Tsutomu
Fisher Richard V.
Fuji Photo Optical Co., Ltd.
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