GATE ELECTRODE STRUCTURE AND HIGH VOLTAGE SEMICONDUCTOR DEVICE HAVING THE SAME
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United States of America Patent
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Mar 28, 2017
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Apr 6, 2016
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Abstract
A gate electrode structure and a high voltage semiconductor device having the same are disclosed. The gate electrode structure includes a gate insulation layer pattern disposed on a substrate, a gate electrode disposed on the gate insulating layer pattern and having at least one opening at a first side portion thereof, and at least one insulating pattern disposed in the at least one opening. The high voltage semiconductor device includes a drift region disposed in the substrate adjacent to the first side portion of the gate electrode, a drain region electrically connected with the drift region, and a source region disposed in the substrate adjacent to a second side portion of the gate electrode.
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