Inductors for chip to chip near field communication
First Claim
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1. A device comprising:
- at least one inductor positioned on a substrate, the substrate having at least one major surface defining a horizontal plane, the at least one inductor having a plurality of turns about a horizontal axis parallel to the horizontal plane, the at least one inductor being positioned for near field coupling with another inductor, wherein;
a first turn of the plurality of turns comprises a plurality of segments positioned in a plurality of metal layers of the substrate, each segment being electrically connected to a subsequent segment by a via, a first such segment being a first end segment and a last such segment being a second end segment;
at least two of the plurality of segments being displaced along the horizontal axis relative to a prior segment such that a projection of the first end segment onto the horizontal axis does not overlap with a projection of the second end segment onto the horizontal axis; and
a second turn of the plurality of turns has a first end segment connected to the second end segment of the first turn.
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Abstract
A device includes a first inductor positioned on a first substrate. The first inductor has at least one turn in a plane that is perpendicular to a plane of the first substrate. The first inductor is positioned for near field coupling with a second inductor. The second inductor is positioned on a second substrate, with at least one turn that is in a plane perpendicular to a plane of the second substrate. The second inductor is substantially parallel to the first inductor. Such an arrangement may be used for near field coupling, including edge-to-edge coupling, between two integrated circuits.
16 Citations
16 Claims
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1. A device comprising:
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at least one inductor positioned on a substrate, the substrate having at least one major surface defining a horizontal plane, the at least one inductor having a plurality of turns about a horizontal axis parallel to the horizontal plane, the at least one inductor being positioned for near field coupling with another inductor, wherein; a first turn of the plurality of turns comprises a plurality of segments positioned in a plurality of metal layers of the substrate, each segment being electrically connected to a subsequent segment by a via, a first such segment being a first end segment and a last such segment being a second end segment; at least two of the plurality of segments being displaced along the horizontal axis relative to a prior segment such that a projection of the first end segment onto the horizontal axis does not overlap with a projection of the second end segment onto the horizontal axis; and a second turn of the plurality of turns has a first end segment connected to the second end segment of the first turn. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A device comprising:
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a first inductor positioned on a first substrate, the first substrate having at least one major surface defining a first horizontal plane, the first inductor having a plurality of turns about a first horizontal axis parallel to the first horizontal plane; and a second inductor positioned on a second substrate, the second substrate having at least one major surface defining a second horizontal plane, the second inductor having at least one turn about a second horizontal axis parallel to the second horizontal plane, the first and second horizontal planes being substantially parallel to each other; wherein the first and second inductors are designed to be inductively coupled to each other; a first turn of the plurality of turns of the first inductor comprises a plurality of segments positioned in a plurality of metal layers of the first substrate, each segment being electrically connected to a subsequent segment by a via, a first such segment being a first end segment and a last such segment being a second end segment; at least two of the plurality of segments being displaced along the first horizontal axis relative to a prior segment such that a projection of the first end segment onto the first horizontal axis does not overlap with a projection of the second end segment onto the first horizontal axis; and a second turn of the plurality of turns of the first inductor has a first end segment connected to the second end segment of the first turn. - View Dependent Claims (10, 11, 12, 13, 14, 15, 16)
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Specification