Stacked through-silicon via (TSV) transformer structure
First Claim
1. A distributed active transformer comprising:
- a primary winding, comprising;
a first set of conductive vias extending in a direction between a first surface and a second surface of an element;
a first set of first electrically conductive lines extending along the first surface; and
a first set of second electrically conductive lines extending along the second surface; and
a secondary winding, comprising;
a second set of conductive vias extending a direction between the first surface and the second surface;
a second set of first electrically conductive lines extending along the first surface; and
a second set of second electrically conductive lines extending along the second surface, wherein, when energized, the primary winding generates magnetic flux extending in a direction parallel to the first surface and the second surface, wherein the secondary winding receives energy transferred by the magnetic flux generated by the primary winding, wherein the secondary winding provides a plurality of tapping points, wherein at least one tapping point of the plurality tapping points is on the first surface located at a junction of a second electrically conductive line in the second set of first electrically conductive lines and a conductive via in the second set of conductive vias, and wherein at least one other tapping point of the plurality of tapping points is on the second surface located at a junction of a second electrically conductive line in the second set of second electrically conductive lines and a conductive via in the second set of conductive vias.
3 Assignments
0 Petitions
Accused Products
Abstract
A distributed active transformer is provided comprising a primary and a secondary winding. The primary winding comprises a first set of conductive vias extending in a direction between a first surface and a second surface of an element, a first set of first electrically conductive lines extending along the first surface, and a first set of second electrically conductive lines extending along the second surface. The secondary winding comprises a second set of conductive vias extending in a direction between the first surface and the second surface, a second set of first electrically conductive lines extending along the first surface, and a second set of second electrically conductive lines extending along the second surface. When energized, the primary winding generates magnetic flux extending in a direction parallel to the first surface and the second surface. The secondary winding receives energy transferred by the magnetic flux generated by the primary winding.
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Citations
18 Claims
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1. A distributed active transformer comprising:
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a primary winding, comprising; a first set of conductive vias extending in a direction between a first surface and a second surface of an element; a first set of first electrically conductive lines extending along the first surface; and a first set of second electrically conductive lines extending along the second surface; and a secondary winding, comprising; a second set of conductive vias extending a direction between the first surface and the second surface; a second set of first electrically conductive lines extending along the first surface; and a second set of second electrically conductive lines extending along the second surface, wherein, when energized, the primary winding generates magnetic flux extending in a direction parallel to the first surface and the second surface, wherein the secondary winding receives energy transferred by the magnetic flux generated by the primary winding, wherein the secondary winding provides a plurality of tapping points, wherein at least one tapping point of the plurality tapping points is on the first surface located at a junction of a second electrically conductive line in the second set of first electrically conductive lines and a conductive via in the second set of conductive vias, and wherein at least one other tapping point of the plurality of tapping points is on the second surface located at a junction of a second electrically conductive line in the second set of second electrically conductive lines and a conductive via in the second set of conductive vias. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A microelectronic element having a transformer thereon, comprising:
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a semiconductor chip embodying a plurality of active devices, the semiconductor chip having a first surface and a second surface, wherein the first surface opposes the second surface and wherein the transformer comprises; a primary winding, comprising; a first set of conductive vias extending in a direction between the first surface and the second surface; a first set of first electrically conductive lines extending along the first surface; and a first set of second electrically conductive lines extending along the second surface; and a secondary winding, comprising; a second set of conductive vias extending in a direction between the first surface and the second surface; a second set of first electrically conductive lines extending along the first surface; and a second set of second electrically conductive lines extending along the second surface, wherein, when energized, the primary winding generates magnetic flux extending in a direction parallel to the first surface and the second surface, wherein the secondary winding receives energy transferred by the magnetic flux generated by the primary winding, wherein the secondary winding provides a plurality of tapping points, wherein at least one tapping point of the plurality of tapping points is on the first surface located at a junction of a second electrically conductive line in the second set of first electrically conductive lines and a conductive via in the second set of conductive vias, and wherein at least one other tapping point of the plurality of tapping points is on the second surface located at a junction of a second electrically conductive line in the second set of second electrically conductive lines and a conductive via in the second set of conductive vias. - View Dependent Claims (8, 9, 10, 11, 12)
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13. A method of making a distributed active transformer comprising:
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generating a primary winding by; extending a first set of conductive vias in a direction between a first surface and a second surface of an element; extending a first set of first electrically conductive lines along the first surface; and extending a first set of second electrically conductive lines along the second surface; and generating a secondary winding by; extending a second set of conductive vias in a direction between the first surface and the second surface; extending a second set of first electrically conductive lines along the first surface; and extending a second set of second electrically conductive lines along the second surface, wherein, when energized, the primary winding generates magnetic flux extending in a direction parallel to the first surface and the second surface, wherein the secondary winding receives energy transferred by the magnetic flux generated by the primary winding, wherein the secondary winding provides a plurality of tapping points, wherein at least one tapping point of the plurality of tapping points is on the first surface located at a junction of a second electrically conductive line in the second set of first electrically conductive lines and a conductive via in the second set of conductive vias, and wherein at least one other tapping point of the plurality of tapping points is on the second surface located at a junction of a second electrically conductive line in the second set of second electrically conductive lines and a conductive via in the second set of conductive vias. - View Dependent Claims (14, 15, 16, 17, 18)
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Specification