Stock material or miscellaneous articles – Structurally defined web or sheet – Discontinuous or differential coating – impregnation or bond
Patent
1998-01-15
2000-12-26
Speer, Timothy M.
Stock material or miscellaneous articles
Structurally defined web or sheet
Discontinuous or differential coating, impregnation or bond
428206, 428210, 428325, 428329, 428330, 428331, 428698, 428699, 428701, 428702, 235462, B32B 300, B32B 1800
Patent
active
061655945
ABSTRACT:
A composite material suitable for labeling a substrate. The composite material, which is preferably a ceramic composite, comprises a fired ceramic body and a layer thereon. The fired ceramic body includes a base layer that comprising a glassy phase and a refractory phase, the glassy phase being capable of wetting a substrate at an application temperature. There is sufficient color contrast between the top layer and the fired ceramic body such that a code pattern (e.g., a bar code) present (or formed) is optically discernible. Methods of making and using the same are also taught.
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Craig K. Harmon and Russ Adams, Reading Between the Lines, An Introduction to Bar Code Technology, Chapter 3 & 4 (Helmers Publishing, Inc., 1984, pp. 11-46).
Lacave Daniel
Moh Kyung H.
Sueoss Bernardus M.
3M Innovative Properties Company
Busse Paul W.
Speer Timothy M.
Stein Stephen
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