发明名称 |
Ink discharge head and manufacturing method thereof |
摘要 |
An ink discharge head includes a coating resin layer having a plurality of discharge ports for discharging ink, and ink flow passages which communicate with the plurality of discharge ports, respectively; and a substrate having energy generation elements which generate the energy for discharging ink and provided with the coating resin layer. A crack inducing portion for relieving the stress produced at the interface between the coating resin layer and the substrate is formed at lateral faces of the outer peripheral edge of the coating resin layer. |
申请公布号 |
US8388106(B2) |
申请公布日期 |
2013.03.05 |
申请号 |
US20100956678 |
申请日期 |
2010.11.30 |
申请人 |
KUROSU TOSHIAKI;IBE SATOSHI;ASAI KAZUHIRO;TAGAWA YOSHINORI;CANON KABUSHIKI KAISHA |
发明人 |
KUROSU TOSHIAKI;IBE SATOSHI;ASAI KAZUHIRO;TAGAWA YOSHINORI |
分类号 |
B41J2/135 |
主分类号 |
B41J2/135 |
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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