Grown nanofin transistors
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United States of America Patent
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May 27, 2014
Grant Date -
Oct 4, 2007
app pub date -
Apr 4, 2006
filing date -
Apr 4, 2006
priority date (Note) -
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Abstract
One aspect of the present subject matter relates to a method for forming a transistor. According to an embodiment, a fin of amorphous semiconductor material is formed on a crystalline substrate, and a solid phase epitaxy (SPE) process is performed to crystallize the amorphous semiconductor material using the crystalline substrate to seed the crystalline growth. The fin has a cross-sectional thickness in at least one direction less than a minimum feature size. The transistor body is formed in the crystallized semiconductor pillar between a first source/drain region and a second source/drain region. A surrounding gate insulator is formed around the semiconductor pillar, and a surrounding gate is formed around and separated from the semiconductor pillar by the surrounding gate insulator. Other aspects are provided herein.
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