RFID ANTENNA ON MULTIPLE SIDES OF 3-D PACKAGING
First Claim
1. An RFID system, comprising:
- a packaging substrate that has a first surface and at least one second surface;
an antenna formed on the packaging substrate that includes a first conductive trace and at least one second conductive trace, wherein at least one of the conductive traces is formed on the first surface and the at least one second surface; and
an integrated circuit connected across the first conductive trace and the at least one second conductive trace on the first surface, wherein the packaging substrate has an unfolded state wherein the first surface and the at least one second surface are substantially coplanar, and has a folded state wherein the first surface and the at least one second surface are not coplanar.
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Abstract
An RFID antenna is fabricated to operate in three dimensions. An antenna including a first conductive trace and at least one second conductive trace is formed on an unfolded packaging substrate having a first surface and at least one second surface. An integrated circuit is connected across the conductive traces. The unfolded packaging substrate is formed into a three-dimensional package having multiple sides. For example, the unfolded packaging substrate is folded into a cube-shaped container having six sides. The integrated circuit is formed on a first side, while portions of the first and second conductive traces may be formed on both the first side and at least one second side. In this manner, the antenna is three-dimensional and operable to more effectively communicate with a three-dimensional electromagnetic field.
26 Citations
11 Claims
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1. An RFID system, comprising:
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a packaging substrate that has a first surface and at least one second surface;
an antenna formed on the packaging substrate that includes a first conductive trace and at least one second conductive trace, wherein at least one of the conductive traces is formed on the first surface and the at least one second surface; and
an integrated circuit connected across the first conductive trace and the at least one second conductive trace on the first surface, wherein the packaging substrate has an unfolded state wherein the first surface and the at least one second surface are substantially coplanar, and has a folded state wherein the first surface and the at least one second surface are not coplanar. - View Dependent Claims (2, 3, 4, 5)
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6. An RFID system, comprising:
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a packaging substrate having a first surface on a first plane and a second surface on a second plane;
an antenna formed on the packaging substrate that includes a first conductive trace and at least one second conductive trace; and
an integrated circuit that is connected across the first conductive trace and the at least one second conductive trace on the first surface, wherein at least one of the conductive traces extends outward from the integrated circuit and is formed on the first surface and the second surface.
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7. A method of printing an RFID antenna operable to function in three dimensions, comprising:
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forming an antenna that includes a first conductive trace and at least one second conductive trace on an unfolded packaging substrate having a first surface and at least one second surface;
connecting an integrated circuit across the first conductive trace and the at least one second conductive trace; and
forming the unfolded packaging substrate into a package wherein the first surface and the at least one second surface are not coplanar, and wherein the integrated circuit and portions of the first conductive trace and the at least one second conductive trace are formed on the first surface and a portion of at least one of the first and/or the at least one second conductive trace is formed on the at least one second surface. - View Dependent Claims (8, 9, 10, 11)
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Specification