CPC G06K 7/1417 (2013.01) [G06K 1/123 (2013.01)] | 30 Claims |
1. A method for manufacturing a device for monitoring an object, comprising:
forming a first layer by printing a first array of indicators on a substrate;
forming a second layer by printing a second array of indicators on the second layer;
depositing a color development layer on the second layer, the second layer isolating the first layer and the color development layer; and
printing an optically coded layer on the color development layer, the optically coded layer including an optical coded tag encoding one or more identifiers for the object.
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