POWER DEVICE
First Claim
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1. A power device, comprising:
- a substrate;
a first semiconductor layer formed on the substrate;
a second semiconductor layer formed on the first semiconductor layer and comprising a first element of group III;
a third semiconductor layer formed on the second semiconductor layer; and
a plurality of first interlayers formed in the third semiconductor layer and comprising a second element of ITT group;
wherein the first element of III group and the second element of III group are the same;
wherein the second semiconductor layer and the plurality of first interlayers are doped with carbon.
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Abstract
A power device disclosed herein comprises a substrate, a first semiconductor layer formed on the substrate, a second semiconductor layer formed on the first semiconductor layer and comprising a first element of group III, a third semiconductor layer formed on the second semiconductor layer and a plurality of first interlayers formed in the third semiconductor layer and comprising a second element of III group. The first element of III group and the second element of III group are the same. The second semiconductor layer and the plurality of first interlayers are doped with carbon.
18 Citations
20 Claims
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1. A power device, comprising:
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a substrate; a first semiconductor layer formed on the substrate; a second semiconductor layer formed on the first semiconductor layer and comprising a first element of group III; a third semiconductor layer formed on the second semiconductor layer; and a plurality of first interlayers formed in the third semiconductor layer and comprising a second element of ITT group; wherein the first element of III group and the second element of III group are the same; wherein the second semiconductor layer and the plurality of first interlayers are doped with carbon. - View Dependent Claims (2, 3, 4, 5, 6, 7, 10, 11)
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- 8. The power device according to claim wherein each of the second interlayers comprises a third element of III group and a content of the third element of III group is decreased in a direction away from the adjacent first interlayer.
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12. A power device, comprising:
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a substrate; a first semiconductor layer formed on the substrate; a second semiconductor layer formed on the first semiconductor layer; a third semiconductor layer formed on the second semiconductor layer; a plurality of first interlayers formed in the third semiconductor layer and comprising a first lattice constant; and a plurality of second interlayers formed in the third semiconductor layer and comprising a second lattice constant; wherein the first lattice constant is smaller than the second lattice constant. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19, 20)
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Specification