Patent ID: 6406541
Filing Date: 2002-06-18
Classification: H01L,H05K

Abstract:
An apparatus for mounting particles on a surface having an array of tacky and non-tacky areas thereon, the surface comprising one side of a web, the apparatus comprising:(a) a web support means for supporting the web with the array of tacky areas on the topside surface of the web; (b) a particle dispenser for delivering particles over the array of tacky and non-tacky areas and causing the particles to flow across the topside surface of the web to allow particles to contact the tacky areas and adhere thereto; (c) web heating means for heating the array of tacky areas to a temperature of at least 30Â° C.; (d) a particle agitator for causing said particles on the array of non-tacky areas to reposition across the topside surface of the web to allow particles to contact the unoccupied tacky areas and adhere thereto; (e) ionization means for ionizing the air surrounding the topside surface and said particles thereon to neutralize electrostatic charges; (f) particle removing means for removing the particles from the array of non-tacky areas of the topside surface.