Corning Incorporated

Corning Glass Works

Roger A Miller

Linda Ruth Pinckney

George Bigelow Hares

Brent M Wedding

Francis P Fehlner

Merrill Lynn

Stewart A Claypoole

Arthur J Whitman

Lisa A Tietz

Herbert L Hoover

Support for drip catcher

This invention is directed to the fabrication of magnetic memory storage devices which consist essentially of a head pad and a rigid information disc, that disc consisting essentially of a rigid substrate having a layer of magnetic media joined to the surface of said substrate through an underlayer. The invention is particularly drawn to the substrate for the information disc which is composed of a glass-based material containing 0.05-2% by weight total of cobalt oxide and/or iron oxide and/or nickel oxide. The most preferred glass-based material comprises a glass-ceramic wherein canasite constitutes the predominant crystal phase.

Discs for memory storage devices

This invention relates to fine glass crystal prepared from lead-free glass compositions. The glasses consist essentially, in weight percent, of

Lead-free fine crystal glassware

An improved method for crystallizing amorphous or polycrystalline material is disclosed, which method employs a novel intermediate product. A film of material to be crystallized is formed on a substrate. A porous silica cap is formed over the film. The resultant intermediate product is heated to melt the film which crystallizes upon cooling. Gases generated during melting of the film escape through the porous cap which also functions to prevent deleterious agglomeration of the material while it is in a molten state.

Capping layer for recrystallization process

Disclosed is an optical waveguide fiber coating system having means for cooling the hot fiber prior to the time that the fiber enters the coating apparatus. The cooling means comprises an elongated tube through which the fiber passes. Cool dry helium is flowed from a porous member or an annular slot surrounding said fiber so that it has a flow component directed radially inwardly toward said fiber and a flow component which is directed longitudinally toward the opposite end of the tube.

Optical waveguide fiber cooler

Disclosed is an optical waveguide coating system having means for cooling the hot filament prior to the time that the filament enters the coating apparatus. The cooling means comprises an elongated container through which the filament passes. A coolant jacket, which surrounds the container, lowers the temperature of the filament cooling liquid in the container.

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Painted Post, NY, United States of America

Roger A Miller