Incremental printing of symbolic information – Ink jet – Ejector mechanism
Reexamination Certificate
2003-08-05
2008-08-26
Luu, Matthew (Department: 2861)
Incremental printing of symbolic information
Ink jet
Ejector mechanism
C310S309000, C359S290000
Reexamination Certificate
active
07416281
ABSTRACT:
An electrostatic actuator has high-reliability and less variation in characteristics. An electrode (12a) is formed on a substrate (1), and a plurality of partition parts (50a) are formed on the electrode. A vibration plate (19) is formed on the partition parts (50a), and is deformable by an electrostatic force generated by a voltage applied to the electrode (12a) so that an air gap (14a) is formed between the partition parts (50a) by etching a part of a sacrifice layer (14) formed between the electrode (12a) and the vibration plate (19). The partition parts (50a) are formed of remaining parts of the sacrifice layer (14) after the etching.
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Abe Shuya
Hashimoto Kenichiroh
Irinoda Mitsugu
Kuroda Takahiko
Nishimura Manabu
Cooper & Dunham LLP
Fidler Shelby
Luu Matthew
Ricoh & Company, Ltd.
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