Wireless communication link using near field coupling
First Claim
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1. A method comprising:
- enabling a memory integrated circuit to communicate wirelessly with a first neighboring memory integrated circuit over a first frequency, wherein the memory integrated circuit includes a physical electrical connection to the first neighboring memory integrated circuit, wherein the physical electrical connection provides signals other than those provided wirelessly, wherein the memory integrated circuit includes;
a substrate having an upper surface and a lower surface opposite to and distinct from the upper surface;
a first loop antenna on the upper surface;
a second loop antenna on the lower surface;
a third loop antenna formed within the substrate parallel and adjacent to an edge of the substrate;
wherein a portion of the third antenna extends over the upper surface and is coupled to a portion of the third antenna within the substrate by a first via and a second via extending through the substrate; and
a plurality of connectors coupled to the lower surface;
coupling an integrated circuit chip to the upper surface within a perimeter defined by the first antenna, wherein the integrated circuit chip is configured to tune frequencies of the first, second, or third antennas;
coupling at least one of the first, second, or third antenna of the memory integrated circuit to an antenna of the first neighboring memory integrated circuit, wherein the at least one antenna is within a near field region of the antenna of the first neighboring memory integrated circuit to reduce interference from other antennas, wherein the at least one antenna is coupled to the memory integrated circuit by wire bonds;
enabling the memory integrated circuit to communicate wirelessly with a second neighboring memory integrated circuit over a second frequency; and
coupling at least one of the first, second, or third antenna of the memory integrated circuit to an antenna of the second neighboring memory integrated circuit, wherein the at least one antenna is within the near field region of the antenna second neighboring memory integrated circuit to reduce interference from other antennas, wherein the at least one antenna coupled to the antenna of the second neighboring memory integrated circuit is different than the at least one antenna coupled to the antenna of the first neighboring memory integrated circuit.
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Abstract
A memory device may include an array of closely spaced memory integrated circuits that communicate wirelessly over at least two frequencies using near field coupling.
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Citations
18 Claims
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1. A method comprising:
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enabling a memory integrated circuit to communicate wirelessly with a first neighboring memory integrated circuit over a first frequency, wherein the memory integrated circuit includes a physical electrical connection to the first neighboring memory integrated circuit, wherein the physical electrical connection provides signals other than those provided wirelessly, wherein the memory integrated circuit includes; a substrate having an upper surface and a lower surface opposite to and distinct from the upper surface; a first loop antenna on the upper surface; a second loop antenna on the lower surface; a third loop antenna formed within the substrate parallel and adjacent to an edge of the substrate; wherein a portion of the third antenna extends over the upper surface and is coupled to a portion of the third antenna within the substrate by a first via and a second via extending through the substrate; and a plurality of connectors coupled to the lower surface; coupling an integrated circuit chip to the upper surface within a perimeter defined by the first antenna, wherein the integrated circuit chip is configured to tune frequencies of the first, second, or third antennas; coupling at least one of the first, second, or third antenna of the memory integrated circuit to an antenna of the first neighboring memory integrated circuit, wherein the at least one antenna is within a near field region of the antenna of the first neighboring memory integrated circuit to reduce interference from other antennas, wherein the at least one antenna is coupled to the memory integrated circuit by wire bonds; enabling the memory integrated circuit to communicate wirelessly with a second neighboring memory integrated circuit over a second frequency; and coupling at least one of the first, second, or third antenna of the memory integrated circuit to an antenna of the second neighboring memory integrated circuit, wherein the at least one antenna is within the near field region of the antenna second neighboring memory integrated circuit to reduce interference from other antennas, wherein the at least one antenna coupled to the antenna of the second neighboring memory integrated circuit is different than the at least one antenna coupled to the antenna of the first neighboring memory integrated circuit. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. An apparatus comprising:
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a substrate having an upper surface, a lower surface different from the upper surface, a first short edge, a second short edge, a first long edge, and a second long edge, wherein the edges define a perimeter of the substrate; a first loop antenna on the upper surface and configured to couple to an antenna of a first memory integrated circuit adjacent to the upper surface; a second loop antenna on the lower surface and configured to couple to an antenna of a second memory integrated circuit adjacent to the lower surface; a third loop antenna formed within the substrate parallel to the first short edge and configured to couple to an antenna of a third memory integrated circuit adjacent to the first short edge; a fourth loop antenna formed within the substrate parallel to the second short edge and configured to couple to an antenna of a fourth memory integrated circuit adjacent to the second short edge; a fifth loop antenna formed within the substrate parallel to the first long edge and configured to couple to an antenna of a fifth memory integrated circuit adjacent to the first long edge; a sixth loop antenna formed within the substrate parallel to the second long edge and configured to couple to an antenna of a sixth memory integrated circuit adjacent to the second long edge; wherein a portion of each of the third, fourth, fifth, and sixth loop antennas extend over the upper surface and is coupled to a respective portion of the third, fourth, fifth, and sixth loop antennas within the substrate by a plurality of vias extending through the substrate; a plurality of connectors coupled to the lower surface; and an integrated circuit chip coupled to the upper surface within a perimeter defined by the first loop antenna, wherein the integrated circuit chip is further coupled to the first, second, third, fourth, fifth, and sixth loop antennas by wire bonds, wherein the integrated circuit chip is configured to tune frequencies of the loop antennas. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18)
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Specification