Power device structures and methods of making
Abstract:
Exemplary semiconductor processing methods may include forming a p-type silicon-containing material on a substrate including a first n-type silicon-containing material defining one or more features. The p-type silicon-containing material may extend along at least a portion of the one or more features defined in the first n-type silicon-containing material. The methods may include removing a portion of the p-type silicon-containing material. The portion of the p-type silicon-containing material may be removed from a bottom of the one or more features. The methods may include providing a silicon-containing material. The methods may include depositing a second n-type silicon-containing material on the substrate. The second n-type silicon-containing material may fill the one or more features formed in the first n-type silicon-containing material and may separate regions of remaining p-type silicon-containing material.
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