Arrangement for holding a glass member

Details Arrangement for holding a glass member Arrangement for holding a glass member

1987-10-15

1988-11-22

Valentine, Donald R.

Chemistry: electrical and wave energy

Apparatus

Electrolytic

204252, 204266, C25C 700, C25C 704

Patent

active

047863919

ABSTRACT:
An arrangement for mounting a glass member for a field-assisted ion exchange utilizing anodic and cathodic contacting by molten salts characterized by the glass member being arranged between two salt vessels containing the salts, each of the vessels having a contact opening surrounded by a sealing lip or surface for engaging a surface of the member as the member is interposed between the two openings and each of the vessels having an arrangement for evacuation of the vessels to form a seal between the sealing lip and the surface of the member. An embodiment of the invention includes a device for changing the level of the molten salts, either by dipping electrodes therein or by rotating the vessels so that the contact openings may be submerged in the molten salt or be above the liquid salt to allow a removing and changing of the glass members being processed.

REFERENCES:
patent: 2579234 (1951-12-01), Hubbard
patent: 3192139 (1965-06-01), Merkel
patent: 3329600 (1967-07-01), Pascaud
patent: 3607684 (1971-09-01), Kuhn
patent: 4235692 (1980-11-01), Townsend
Lilienhof et al., "Printed Geodesic Lenses in Glass With Ion-Exchanged Filme Waveguides" Electronics Letters, vol. 18, No. 8, Apr. 15, 1982, pp. 344-345.
Holscher et al., "Fabrication of Monomode Ring Coupler by Field Enhanced K.sup.+ -Ion-Exchange in BK7 Glass" pp. 1-5.

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