Browse Prior Art Database

Cermet Metallurgy System

IP.com Disclosure Number: IPCOM000078875D
Original Publication Date: 1973-Mar-01
Included in the Prior Art Database: 2005-Feb-26
Document File: 2 page(s) / 30K

Publishing Venue

IBM

Related People

Poley, NM: AUTHOR

Abstract

Conductive electrode structures for gas discharge display panels may consist of a layer of conductive material, such as copper supported by a glass substrate, and overcoated with a glass dielectric prepared by fusion of solder glass frit. The structure presents the requirements that the conductive layer be properly adherent to the substrate, and be protected from the solder glass frit during the fusion of the same.

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Cermet Metallurgy System

Conductive electrode structures for gas discharge display panels may consist of a layer of conductive material, such as copper supported by a glass substrate, and overcoated with a glass dielectric prepared by fusion of solder glass frit. The structure presents the requirements that the conductive layer be properly adherent to the substrate, and be protected from the solder glass frit during the fusion of the same.

If different materials are utilized for protective and adhesion improving interlayers, the manufacturing process is made more complex. In this metallurgy system, a silicon monoxide chromium cermet adhesive layer 10 is deposited on substrate 12 before the conductive layer 14. The conductor 14 is then overcoated with silicon monoxide -chromium cermet 16, which protects the conductor 14 from the solder glass 18. This system involves vapor deposition of only two different materials - cermet and copper.

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