Transaction card
First Claim
1. An article comprising:
- a thermoplastic body adapted to substantially transmit visible light;
said thermoplastic body comprising a machine recognizable compound containing infrared blocking materials associated with said thermoplastic body, said infrared blocking materials comprising a mixture of a phosphor compound, and a quantum dot compound.
3 Assignments
0 Petitions
Accused Products
Abstract
The present invention relates to a process for producing an opaque, transparent or translucent transaction card having multiple features, such as a holographic foil, integrated circuit chip, silver magnetic stripe with text on the magnetic stripe, opacity gradient, an invisible optically recognizable compound, a translucent signature field such that the signature on back of the card is visible from the front of the card and an active thru date on the front of the card. The invisible optically recognizable compound is preferably an infrared ink comprising an infrared phthalocyanine dye, an infrared phosphor, and a quantum dot energy transfer compound. The infrared ink can be detected by a sensor found in an ATM or card assembly line.
630 Citations
20 Claims
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1. An article comprising:
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a thermoplastic body adapted to substantially transmit visible light; said thermoplastic body comprising a machine recognizable compound containing infrared blocking materials associated with said thermoplastic body, said infrared blocking materials comprising a mixture of a phosphor compound, and a quantum dot compound. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. A method of making an article comprising the steps of:
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printing an ink over at least a portion of at least one surface of a first thermoplastic sheet, said ink comprising an IR-absorbing compound, a phosphorescent compound, a quantum dot compound, and a resin binder; and laminating said first sheet with at least a second substantially transparent thermoplastic sheet to form a substantially transparent laminated sheet. - View Dependent Claims (15, 16, 17, 18, 19, 20)
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Specification