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US 9,039,129 B2Granted
Inkjet head
AssigneeToshiba Tec Kabushiki Kaisha
InventorsIsao Suzuki, Hideaki Nishida, Shinichiro Hida, Kazuhisa Kimura
Life of this patent
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Abstract
According to one embodiment, an inkjet head includes a mask part which covers a periphery of an actuator part in a state where a nozzle hole is exposed to outside and a peripheral edge part of which is opposite to an opening peripheral edge part of a frame part at other end while a gap is kept, and the gap between the peripheral edge part of the mask part and the opening peripheral edge part of the frame part at the other end is sealed with a seal agent having thermal insulation properties.
Claims10
An inkjet head comprising:
- a frame part, made of metal, including a side wall used also as a thermal radiation part;
- an ink supply pipe to supply ink into an inside from an opening of the frame part at one end;
- an actuator part which is provided at an opening of the frame part at the other end and includes a piezoelectric element to eject ink from a nozzle hole of an ink chamber facing outside in response to an external signal;
- a drive IC directly contacting an inner surface of the side wall of the frame part, said drive IC for driving the piezoelectric element;
- a mask part, made of metal. which covers a periphery of the actuator part in a state where the nozzle hole is exposed to the outside and a peripheral edge part of which is opposite to an opening peripheral edge part of the frame part at the other end while a gap is kept therebetween;
- and a seal agent which directly seals the gap between the mask part and the part and has thermal insulation properties.
3 more elements
Dependencies are inferred from the claim text.