Planar inductive structure
First Claim
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1. A spiral structure comprising at least one planar winding in a first conductive level to form at least one inductive element, wherein:
- said at least one planar winding is completely surrounded in the first conductive level by a continuous monolithic conductive material within the first conductive level; and
at least one conductive track formed in a second conductive level, the at least one conductive track being free of connection from the at least one planar winding in the first conductive level and the at least one conductive track having two ends that are connected by conductive vias to the continuous monolithic conductive material of the first conductive level, wherein the two ends are at diametrically opposite positions with respect to a center region of the at least one planar winding.
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Abstract
A spiral structure having at least one planar winding in at least one first conductive level to form at least one inductive element, wherein the winding is surrounded with a conductive plane and at least one track is formed in a second conductive level and has two ends connected by conductive vias to the plane of the first level, at diametrically opposite positions with respect to the center of the winding.
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Citations
14 Claims
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1. A spiral structure comprising at least one planar winding in a first conductive level to form at least one inductive element, wherein:
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said at least one planar winding is completely surrounded in the first conductive level by a continuous monolithic conductive material within the first conductive level; and at least one conductive track formed in a second conductive level, the at least one conductive track being free of connection from the at least one planar winding in the first conductive level and the at least one conductive track having two ends that are connected by conductive vias to the continuous monolithic conductive material of the first conductive level, wherein the two ends are at diametrically opposite positions with respect to a center region of the at least one planar winding. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 12, 13, 14)
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10. A combiner/divider in distributed lines including a spiral structure comprising at least one planar winding in a first conductive level to form at least one inductive element, wherein:
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said at least one planar winding is surrounded by a conductive plane in the first conductive level; at least one conductive track formed in a second conductive level, the at least one conductive track being free of connection from the at least one planar winding and the at least one conductive track having two ends that are connected by conductive vias to the first conductive level, wherein the two ends are at diametrically opposite positions with respect to a center region of the at least one planar winding, and further comprising; a first line formed of a first planar winding in the first conductive level, and the first line formed of a second planar winding in a third conductive level; and a second line formed of a third planar winding interdigited with the first planar winding in the first conductive level, and the second line formed of a fourth planar winding interdigited with the second winding in the third conductive level, wherein the at least one conductive track formed in the second conductive level is superposed to the first and third conductive levels. - View Dependent Claims (11)
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Specification