发明名称 |
Liquid ejection head, liquid-ejection head substrate, liquid ejecting apparatus including liquid ejection head, and method of cleaning liquid ejection head |
摘要 |
A liquid ejection head includes a liquid-ejection head substrate including an element, which generates thermal energy used for ejecting a liquid from an ejection port, and a protective layer, which covers at least the element, and in which first layers and second layers are alternately stacked; a flow passage member which defines a wall of a flow passage communicating with the ejection port; and a flow-passage electrode disposed in the flow passage. |
申请公布号 |
US8191988(B2) |
申请公布日期 |
2012.06.05 |
申请号 |
US20090619556 |
申请日期 |
2009.11.16 |
申请人 |
MATSUI TAKAHIRO;ISHIDA YUZURU;CANON KABUSHIKI KAISHA |
发明人 |
MATSUI TAKAHIRO;ISHIDA YUZURU |
分类号 |
B41J2/165;B41J2/05 |
主分类号 |
B41J2/165 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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