Liquid jet head, liquid jet apparatus and method of manufacturing liquid jet head
US-9221260-B2 · Dec 29, 2015 · US
Liquid discharge apparatus and method for manufacturing liquid discharge apparatus
US9199459B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9199459-B2 |
| Application number | US-201514601797-A |
| Country | US |
| Kind code | B2 |
| Filing date | Jan 21, 2015 |
| Priority date | Jan 23, 2014 |
| Publication date | Dec 1, 2015 |
| Grant date | Dec 1, 2015 |
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- Title
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Abstract
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There is provided a liquid discharge apparatus including a channel structure in which liquid channels including pressure chambers and nozzles are formed and a piezoelectric actuator including a piezoelectric layer arranged on the channel structure to cover the pressure chambers. Two grooves are formed in the piezoelectric layer to locate on two sides of each pressure chamber in an array direction. There is an equal separation distance between the two grooves arranged on the two sides of the pressure chamber. X means positions of the grooves from an edge of the pressure chamber in the array direction, and Xc means an center position between the edge of the pressure chamber to the edge of an adjacent other pressure chamber in the array direction. The positions X of the grooves satisfy 0.2Xc−20 μm≦X≦0.6Xc+20 μm.
First claim
Opening claim text (preview).
What is claimed is: 1. A liquid discharge apparatus configured to discharge liquid, comprising: a channel structure in which liquid channels are formed to include: a plurality of nozzles aligned in an array direction; and a plurality of pressure chambers communicating with the plurality of nozzles respectively and aligned in the array direction; and a piezoelectric actuator including a piezoelectric layer arranged on the channel structure to cover the plurality of pressure…
Assignees
Inventors
Classifications
Electricity · mapped topic
- B41J2/14209Primary
Operations & Transport · mapped topic
Operations & Transport · mapped topic
Operations & Transport · mapped topic
Operations & Transport · mapped topic
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Frequently asked questions
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- What does patent US9199459B2 cover?
- There is provided a liquid discharge apparatus including a channel structure in which liquid channels including pressure chambers and nozzles are formed and a piezoelectric actuator including a piezoelectric layer arranged on the channel structure to cover the pressure chambers. Two grooves are formed in the piezoelectric layer to locate on two sides of each pressure chamber in an array directi…
- Who is the assignee on this patent?
- Brother Ind Ltd
- What technology area does this patent fall under?
- Primary CPC classification B41J2/14209. Mapped technology areas include Operations & Transport.
- When was this patent published?
- Publication date Tue Dec 01 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).