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US 2006/0124753 A1Published application
Smart card and method for its production
AssigneeInternational Business Machines Corporation
InventorsAndreas Scholz, Stephan Schwarzer
Life of this patent
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Abstract
A smart card having an extended communication distance includes a card body, at least one chip and at least one antenna attached to the chip, wherein the chip and the antenna are embedded in the card body. The smart card is characterized in that the antenna is provided with at least one metal core.
Claims9
A smart card comprising:
- a card body,
- at least one chip, and
- at least one antenna having at least one metal core and being attached to said chip,
- wherein said chip and said antenna are embedded in said card body.
1 more element
A method for producing a smart card comprising the steps of:
- assembling a bottom foil, a top foil, and at least one middle foil between said bottom foil and said top foil wherein one of said foils contains at least one antenna,
- disposing at least one chip between said top and bottom foils such that said antenna is attached to said chip, and
- laminating said top, bottom, and at least one middle foils to form a card body, such that at least said chip and said antenna attached to said chip are embedded in said card body.
A method for enhancing a smart card comprising at least one chip and at least one antenna attached to said chip said chip and said antenna being embedded in a card body,
- said method comprising the step of:
- providing a metal core for said antenna such that the metal core is disposed in the magnetic field of the antenna.
Dependencies are inferred from the claim text.