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US 2010/0164667 A1Published application
On-chip transformer balun structures
AssigneeTaiwan Semiconductor Manufacturing Company, Ltd.
InventorChen HO-HSIANG
Life of this patent
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Abstract
An electronic device includes a first winding having a first port and a second port. The first winding formed in a first metal layer. A second winding has a third port and a fourth port. The second winding includes a plurality of segments formed in the first metal layer. The second plurality of winding segments are connected by a bridge formed in a second metal layer. The first and second ports of the first winding are connected to the inner-portion of the first winding.
Claims18
An electronic device, comprising:
- a first winding having a first port and a second port, the first winding formed in a first metal layer formed over a semiconductor substrate;
- and
- a second winding having a third port and a fourth port, the second winding including a plurality of segments formed in the first metal layer, the second plurality of winding segments connected by a bridge formed at least partially in a second metal layer;
- wherein the first and second ports of the first winding are directly connected to an innermost portion of the first winding.
1 more element
A two metal-layer electronic device, comprising:
- a primary winding having a first set of ports, the primary winding including:
- a first plurality of winding segments formed in a first metal layer formed over a semiconductor substrate;
- and
- a first plurality of bridges formed in a second metal layer, the first plurality of bridges connecting the first plurality of winding segments;
- and
- a secondary winding having a second set of ports, the secondary winding including:
- a second plurality of winding segments formed in the first metal layer;
- and
- a second plurality of bridges formed in the second metal layer, the second plurality of bridges connecting the second plurality of winding segments,
- wherein the first set of ports are located at or directly connected to an innermost portion of the primary winding.
7 more elements
Dependencies are inferred from the claim text.