High-voltage oxide transistor and method of manufacturing the same
First Claim
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1. A high-voltage oxide transistor comprising:
- a substrate;
a channel layer disposed on the substrate;
a gate electrode disposed on the substrate to correspond to the channel layer;
a source contacting a first side of the channel layer; and
a drain contacting a second side of the channel layer,wherein the channel layer includes a plurality of oxide layers, and none of the plurality of oxide layers include silicon, andwherein the channel layer includes a first oxide layer and a second oxide layer stacked sequentially and having different mobilities and carrier densities from each other, and a layer of the first and second oxide layers having a lower mobility and a lower carrier density is adjacent to the gate electrode.
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Abstract
A high-voltage oxide transistor includes a substrate; a channel layer disposed on the substrate; a gate electrode disposed on the substrate to correspond to the channel layer; a source contacting a first side of the channel layer; and a drain contacting a second side of the channel layer, wherein the channel layer includes a plurality of oxide layers, and none of the plurality of oxide layers include silicon. The gate electrode may be disposed on or under the channel layer. Otherwise, the gate electrodes may be disposed respectively on and under the channel layer.
13 Citations
22 Claims
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1. A high-voltage oxide transistor comprising:
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a substrate; a channel layer disposed on the substrate; a gate electrode disposed on the substrate to correspond to the channel layer; a source contacting a first side of the channel layer; and a drain contacting a second side of the channel layer, wherein the channel layer includes a plurality of oxide layers, and none of the plurality of oxide layers include silicon, and wherein the channel layer includes a first oxide layer and a second oxide layer stacked sequentially and having different mobilities and carrier densities from each other, and a layer of the first and second oxide layers having a lower mobility and a lower carrier density is adjacent to the gate electrode. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. A method of manufacturing a high-voltage oxide transistor, the method comprising:
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forming a channel layer on a substrate; forming a source and a drain respectively contacting a first side and a second side of the channel layer; and forming a gate electrode facing the channel layer with a gate insulating layer between the channel layer and the gate electrode, wherein the channel layer is formed by sequentially stacking a plurality of oxide layers, and none of the plurality of oxide layers include silicon, and wherein the channel layer is formed by sequentially stacking a first oxide layer and a second oxide layer having different mobilities and carrier densities from each other, and one having a lower mobility and a lower carrier density of the first and second oxide layers is adjacent to the gate electrode. - View Dependent Claims (15, 16, 17, 18, 19, 20, 21, 22)
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Specification