Method of and apparatus for forming nozzles

Details Method of and apparatus for forming nozzles Method of and apparatus for forming nozzles

B - Operations, Transporting

41

J

B41J 2/16 (2006.01) B23K 26/06 (2006.01) B23K 26/067 (2006.01)

Patent

CA 2240800

A nozzle in a nozzle plate for an inkjet printhead is formed by directing a laser beam at a nozzle plate. Accurate control of the divergence of the beam is achieved by splitting the beam into sub-beams, each sub-beam having divergence with an origin lying apart from the point at which the beam is created by splitting, and thereafter recombining the sub-beams. Greater accuracy in the taper and inlet shape of the manufactured nozzle is thereby obtained.

On façonne une buse de plaque à buses destinée à une tête d'impression à jet d'encre en dirigeant un faisceau laser en direction d'une plaque à buses. On parvient à une grande maîtrise de la divergence du faisceau en divisant ledit faisceau en deux sous-faisceaux, chacun des sous-faisceaux divergeant par rapport à une origine située à l'écart du point au niveau duquel le faisceau est créé par division, puis en recombinant les sous-faisceaux. Il est ainsi possible d'obtenir une plus grande précision dans la forme du cône et de l'orifice d'entrée de la buse manufacturée.

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