Droplet deposition apparatus

B - Operations – Transporting – 41 – J

Patent

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Details

B41J 2/17 (2006.01) B41J 2/14 (2006.01) B41J 2/155 (2006.01) B41J 2/175 (2006.01) B41J 29/377 (2006.01)

Patent

CA 2344931

Droplet deposition apparatus comprises a fluid chamber comprising an actuator actuable by electrical signals to effect ejection of droplets from the fluid chamber, a drive circuit for supplying the electrical signals; and a conduit for supplying droplet fluid to said fluid chamber, the drive circuit being in substantial thermal contact with the conduit so as to transfer a substantial part of the heat generated in the drive circuit to the droplet fluid.

L'invention concerne un appareil de dépôt de gouttelettes comportant une chambre pour fluide pourvue d'un actionneur qu'il est possible de commander au moyen de signaux électriques de manière à permettre l'éjection de gouttelettes de ladite chambre; un circuit de commande conçu pour délivrer lesdits signaux électriques; et un conduit conçu pour alimenter ladite chambre en fluide destiné à la former les gouttelettes. Le circuit de commande est sensiblement en contact thermique avec le conduit de manière à assurer le transfert d'une fraction importante de la chaleur produite dans le circuit de commande vers le fluide destiné à former les gouttelettes.

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