Incremental printing of symbolic information – Ink jet – Ejector mechanism
Reexamination Certificate
2011-08-16
2011-08-16
Lepisto, Ryan (Department: 2883)
Incremental printing of symbolic information
Ink jet
Ejector mechanism
C347S044000, C347S045000, C347S047000, C347S048000, C347S049000, C347S050000, C347S051000, C347S052000, C347S053000, C347S054000, C347S055000, C347S056000, C347S057000, C347S058000, C347S059000, C347S060000, C347S061000, C347S062000, C347S063000, C347S064000, C347S065000, C347S066000, C347S067000, C347S068000, C347S069000, C347S070000, C347S071000
Reexamination Certificate
active
07997697
ABSTRACT:
A droplet discharge head including a nozzle substrate having nozzle openings, a cavity substrate having discharge chambers that communicate with the nozzle openings and discharge droplets from the nozzle openings, a reservoir substrate having a reservoir concave portion that serves as a reservoir which communicates commonly with the discharge chambers. The reservoir substrate is provided between the nozzle substrate and the cavity substrate and a resin thin film is formed on a whole inner face of the reservoir concave portion and on a bottom face of a second concave portion. The second concave portion is provided in a peripheral of the reservoir concave portion and has a depth which is smaller than the depth of the reservoir concave portion. The resin thin film is cut circularly so as to surround the reservoir concave portion, and a part of the resin thin film serves as a diaphragm buffering pressure variation. serves as a diaphragm buffering pressure variation.
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Arawaka Katsuji
Oya Kazufumi
Anderson Guy G
Lepisto Ryan
Maschoff Gilmore & Israelsen
Seiko Epson Corporation
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