Liquid discharge head, liquid discharge device, and liquid discharge apparatus
US-2015375505-A1 · Dec 31, 2015 · US
Liquid ejection head, and image forming apparatus using the liquid ejection head
US9205652B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9205652-B2 |
| Application number | US-201414291478-A |
| Country | US |
| Kind code | B2 |
| Filing date | May 30, 2014 |
| Priority date | Jun 23, 2013 |
| Publication date | Dec 8, 2015 |
| Grant date | Dec 8, 2015 |
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Abstract
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A liquid ejection head is provided. The liquid ejection head includes a nozzle substrate to eject a droplet of a liquid from a nozzle thereof; a surface treatment layer, which is located on the surface of the nozzle substrate and which is an oxide layer including silicon (Si) and a transition metal capable of forming a passive layer; and an organic liquid repellent layer located on the surface treatment layer.
First claim
Opening claim text (preview).
What is claimed is: 1. A liquid ejection head comprising: a nozzle substrate to eject a droplet of a liquid from a nozzle thereof; a surface treatment layer, which is located on a surface of the nozzle substrate and which is an oxide layer including silicon (Si) and a transition metal (M) capable of forming a passive layer; and an organic liquid repellent layer located on the surface treatment layer. 2. The liquid ejection head according to claim 1 , whe…
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- B41J2/1433Primary
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 US9205652B2 cover?
- A liquid ejection head is provided. The liquid ejection head includes a nozzle substrate to eject a droplet of a liquid from a nozzle thereof; a surface treatment layer, which is located on the surface of the nozzle substrate and which is an oxide layer including silicon (Si) and a transition metal capable of forming a passive layer; and an organic liquid repellent layer located on the surface …
- Who is the assignee on this patent?
- Ricoh Co Ltd
- What technology area does this patent fall under?
- Primary CPC classification B41J2/1433. Mapped technology areas include Operations & Transport.
- When was this patent published?
- Publication date Tue Dec 08 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).