US Patent 7563411 - CNT array manufacturing with multiple gas flow inlets

http://www.freepatentsonline.com/7563411.html

This patent from Hon Hai Precision teaches a device to facilitate the measurement of growth rates of carbon nanotube arrays by using a secondary gas inlet to provide a disturbance gas to quickly stop growth. Claim 1 reads:

1. A device for manufacturing a carbon nanotube array, the device comprising:

a reaction chamber having a first gas inlet, a second gas inlet, and a gas outlet;

a supporting component located in the reaction chamber; and

a gas introducing tube connecting the second gas inlet with the supporting component.