Via Technologies, Inc.

Jay Yu

Felix Kao

Jimmy Hsu

Nicole Li

An inductor includes a substrate, a first insulation layer, a second insulation layer, a first conductive section, a second conductive section, a third conductive section, and a fourth conductive section. The first conductive section and the second conductive section are symmetrical with respect to a first line. The third conductive section and the fourth conductive section are also symmetrical with respect to the first line. The first end of the first conductive section is connected to the first end of the fourth conductive section with a first via plug. The first end of the second conductive section is connected to the first end of the third conductive section with a second via plug.

Multi-level symmetrical inductor

A printed circuit transformer includes a first wiring layer, a second wiring layer, a primary conductive coil including a first conductive trace, a second conductive trace, a third conductive trace, and a fourth conductive trace, which are on the first wiring layer or the second wiring layer, a first via plug, a second via plug, and a third via plug for connecting the ends of the conductive traces in the primary conductive coil, and a secondary conductive coil including a fifth conductive trace, a sixth conductive trace, a seventh conductive trace, and a eighth conductive trace, which are on the first wiring layer or the second wiring layer, a fourth via plug, a fifth via plug, and a sixth via plug for connecting the ends of the conductive traces in the secondary conductive coil.

Transformer former between two layout layers

An integrated circuit transformer includes a first conductive segment, a second conductive segment, a fifth conductive segment, and a sixth conductive segment, all disposed inside a first insulating layer. The first conductive segment, the second conductive segment, the fifth conductive segment, and the sixth conductive segment are respectively symmetric to a first line. The transformer further includes a third conductive segment and a fourth conductive segment, both formed inside a second insulating layer. The third conductive segment and the fourth conductive segment are symmetric to a second line. The transformer further includes a fist connection conductive segment connecting the fifth conductive segment to the second conductive segment, and a second connection conductive segment connecting the sixth conductive segment to the first conductive segment.

Integrated circuit transformer

A low substrate loss inductor has a substrate, a plurality of p type doping areas and a plurality of n type doping areas formed alternatively inside the substrate, an insulating layer formed on the substrate, and a metal coil formed on the insulation layer. The insulation layer isolates the metal coil from the p type doping areas and n type doping areas. The doping areas are arranged orthogonal to the metal coil.

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Hsin-Tien, Taiwan

Jay Yu