SEMICONDUCTOR DEVICE
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United States of America Patent
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app pub date -
Jun 8, 2015
filing date -
Dec 18, 2013
priority date (Note) -
Abandoned
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Abstract
The instant disclosure relates to a semiconductor device includes a semiconductor substrate, a plurality of buried bit lines, a plurality of insulating structures, and a plurality of self-aligned spacers. The semiconductor substrate has a plurality of active areas defined thereon. The buried bit lines are disposed in the semiconductor substrate, wherein two of the buried bit lines are positioned in each of the active areas. The insulating structures are disposed on the semiconductor substrate, wherein each of the insulating structures is positioned on and opposite to the two of the buried bit lines. The self-aligned spacers are disposed on the sidewalls of the insulating structures respectively to partially expose the surface of the semiconductor substrate.
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