SEMICONDUCTOR CELL
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United States of America Patent
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Issued Date -
Mar 2, 2017
app pub date -
Aug 25, 2016
filing date -
Aug 28, 2015
priority date (Note) -
Published
status (Latency Note)
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Abstract
A semiconductor cell includes a substrate; a buffer structure disposed on the substrate; a channel layer having a band gap, and including a first portion on the buffer structure and a first protrusion which is disposed on the first portion and has a first top surface and a first inclined surface connecting to the first top surface; a barrier having a band gap greater than the band gap of the channel layer, disposed on the channel layer, and including a second portion disposed on the first portion, and a second protrusion covering the first top surface of the first protrusion and having a second top surface and a second inclined surface connecting to the second top surface and parallel to the first inclined surface; a first electrode disposed on the second protrusion; and a second electrode disposed on the second portion of the barrier and separated from the first electrode.
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