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Technology

Rocket fuel kicks transistor speeds through the roof

By Will Knight

20 March 2004

HOW do you make transistors run faster? Add rocket fuel, of course.

Hydrazine, a toxic liquid sometimes used as a fuel in rocket motors, has turned out to be ideal for helping to make faster thin-film transistors, a crucial component of liquid crystal displays. What’s more, it does so in a novel “wet” manufacturing process that should lend itself to cheaper mass production of these critical components.

Each pixel of an LCD is switched on and off by a thin-film transistor on the back of the display. These transistors are built up from fine layers of semiconductors deposited on a…

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