Japanese Inventors Develop Electric Circuit with Transistors

US Fed News Service, Including US State News | April 14, 2008 | Copyright

ALEXANDRIA, Va., April 14 -- Hajime Kimura and Yasuko Watanabe, both of Kanagawa, Japan, have developed electric circuits with transistors.

According to the U.S. Patent & Trademark Office: "A transistor has variation in a threshold voltage or mobility due to accumulation of factors such as variation in a gate insulating film which is caused by a difference of a manufacturing process or a substrate to be used and variation in a crystal state of a channel formation region."

An abstract of the invention, released by the Patent Office, said: "The present invention provides an electric ...

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