Chemistry: electrical and wave energy – Processes and products – Electrostatic field or electrical discharge
Patent
1988-08-04
1989-06-06
Valentine, Donald R.
Chemistry: electrical and wave energy
Processes and products
Electrostatic field or electrical discharge
204247, C25F 500
Patent
active
048368997
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 melt 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: 3218220 (1965-11-01), Weber
patent: 3486995 (1969-12-01), Evers
patent: 3687649 (1972-08-01), Bourgeaux
patent: 3741741 (1973-06-01), Ohsato
Lilienhof et al., "Printed Geodesic Lenses in Glass with Ion-Exchanged Film 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.
Siemens Aktiengesellschaft
Valentine Donald R.
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