Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Ping Chang0
Rong-I Hong0
Yuan-Ru Tsai0
Chi-Che Chen0
Chi-Chen Chen0
James Russell Webster0
Ko-Yuan Tseng0
Date of Patent
June 26, 2007
0Patent Application Number
109690900
Date Filed
October 20, 2004
0Patent Primary Examiner
Patent abstract
A process of forming a nitrocellulose film on a carrier includes the steps of (i) atomizing a nitrocellulose solution to form a plurality of fine nitrocellulose particles and (ii) evenly spraying the nitrocellulose particles on the carrier to form the nitrocellulose film. The film has a predetermined thickness. The nitrocellulose solution is atomized by an ultrasonic spraying nozzle to control a size of each of the nitrocellulose particles to be sprayed on the carrier. The nebulizer can be air-assisted by inert air to control characteristics of the nitrocellulose spray pattern.
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