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Cermet Protective Layer at Metal Dielectric Overcoat Interface

IP.com Disclosure Number: IPCOM000078874D
Original Publication Date: 1973-Mar-01
Included in the Prior Art Database: 2005-Feb-26
Document File: 2 page(s) / 31K

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 Protective Layer at Metal Dielectric Overcoat Interface

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.

One solution is to provide a chromium adhesive layer 10 between the substrate 12 and the conductive layer 14. Conductor 14 is overcoated with silicon monoxide - chromium cermet 16, which protects the conductor 14 from the solder glass 18. Optionally, an interlayer 20 of chromium can be provided between 14 and 16 to improve adhesion between those layers.

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