Transistors and semiconductor constructions
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United States of America Patent
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Oct 7, 2014
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N/A
app pub date -
Jan 10, 2013
filing date -
Jan 10, 2013
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Abstract
Some embodiments include a transistor having a first electrically conductive gate portion along a first segment of a channel region and a second electrically conductive gate portion along a second segment of the channel region. The second electrically conductive gate portion is a different composition than the first electrically conductive gate portion. Some embodiments include a method of forming a semiconductor construction. First semiconductor material and metal-containing material are formed over a NAND string. An opening is formed through the metal-containing material and the first semiconductor material, and is lined with gate dielectric. Second semiconductor material is provided within the opening to form a channel region of a transistor. The transistor is a select device electrically coupled to the NAND string.
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