Thin film transistor
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United States of America Patent
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Jul 1, 1997
Grant Date -
N/A
app pub date -
Mar 21, 1995
filing date -
Mar 23, 1994
priority date (Note) -
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Abstract
A thin film transistor comprises a dielectric substrate (1), a semiconductor layer (3) of poly-crystalline silicon layer having a drain region (8), an active gate region (4, 8-0), and a source region (7) placed on said substrate (1), a drain terminal (10) and a source terminal (10A) connected to said respective regions for external connection, a gate electrode (6) coupled with a part of said gate region (4) through a dielectric layer (4A), wherein length (d) of said gate electrode (6) is shorter than the length of gate region (4 plus 8-0), so that an offset region (8-0), where no gate electrode faces with said gate region, is produced.
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