Patent ID: 7147534
Filing Date: 2006-12-12
Classification: B82Y,H01J

Abstract:
1. A patterned carbon nanotube process adopted for an electronic device, the process comprising: (1) coating a cathode substrate with a negative photoresist layer; (2) making a mask layer formed with a carved cavity during a developing process; (3) spraying with a carbon nanotube spray to fill a plurality of carbon nano-tubes in the carved cavity; and (4) sintering the cathode substrate at a high temperature or in a vacuum to remove simultaneously the mask layer and part of the carbon nano-tubes adhered to the mask layer, and to connect a remainder of the carbon nano-tubes firmly to the cathode conductive layer as an electron emitter layer; further comprising providing air pressure of about 0.1 to 0.3 mega pascals (Mpa) at a temperature of less than about 400 degrees centigrade during the sintering process, and providing nitrogen instead of air gradually while the temperature is increased to between about 400 and 500 degrees centigrade.