Durable radio frequency identification label and methods of manufacturing the same
First Claim
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1. A durable radio frequency identification tag, comprising:
- a flexible substrate including a first major surface and a second major surface opposite the first major surface;
a radio frequency identification antenna attached to the first major surface of the substrate;
an integrated circuit attached to the antenna; and
a thermoplastic guard attached to the flexible substrate adjacent the integrated circuit.
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Abstract
A durable radio frequency identification tag. A preferred embodiment of the invention provides a durable radio frequency identification tag comprising: a flexible substrate including a first major surface and a second major surface opposite the first major surface; a radio frequency identification antenna attached to the first major surface of the substrate; an integrated circuit attached to the antenna; and a thermoplastic guard attached to the flexible substrate adjacent the integrated circuit. The present invention also provides a method of manufacturing a durable radio frequency identification tag.
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Citations
61 Claims
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1. A durable radio frequency identification tag, comprising:
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a flexible substrate including a first major surface and a second major surface opposite the first major surface; a radio frequency identification antenna attached to the first major surface of the substrate; an integrated circuit attached to the antenna; and a thermoplastic guard attached to the flexible substrate adjacent the integrated circuit. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 51)
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30. A durable radio frequency indentification tag, comprising:
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a flexible substrate including a first major surface and a second major surface opposite the first major surface; a radio frequency indentification antenna attached to the first major surface of the substrate; an integrated circuit attached to the durable radio frequency indentification tag; and a thermoplastic guard attached to the flexible subtrate adjacent the integrated circuit; wherein an interrogator may read the integrated circuit after a pressure of at least 1 MPa is applied to the durable radio frequency identification tag. - View Dependent Claims (31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 52, 53, 54)
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55. A method of manufacturing a durable radio frequency identification tag, comprising the steps of:
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providing a flexible substrate containing an antenna on at least one surface of the flexible substrate; attaching an integrated circuit to the antenna; and extruding a thermoplastic guard onto the substrate adjacent the integrated circuit. - View Dependent Claims (56, 57, 58, 59, 60, 61)
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Specification