- 专利标题： Head diaphragm substrate, liquid discharge head, liquid discharge device, and liquid discharge apparatus
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申请号： US16293722申请日： 2019-03-06
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公开(公告)号： US11059292B2公开(公告)日： 2021-07-13
- 发明人: Kohei Tsuzuki , Takashi Mori , Ryoji Okamoto , Yuta Hiratsuka , Kaname Morita , Yohsuke Kobayashi
- 申请人： Kohei Tsuzuki , Takashi Mori , Ryoji Okamoto , Yuta Hiratsuka , Kaname Morita , Yohsuke Kobayashi
- 申请人地址： JP Kanagawa; JP Kanagawa; JP Kanagawa; JP Kanagawa; JP Kanagawa; JP Kanagawa
- 专利权人： Kohei Tsuzuki,Takashi Mori,Ryoji Okamoto,Yuta Hiratsuka,Kaname Morita,Yohsuke Kobayashi
- 当前专利权人： Kohei Tsuzuki,Takashi Mori,Ryoji Okamoto,Yuta Hiratsuka,Kaname Morita,Yohsuke Kobayashi
- 当前专利权人地址： JP Kanagawa; JP Kanagawa; JP Kanagawa; JP Kanagawa; JP Kanagawa; JP Kanagawa
- 代理机构： Oblon, McClelland, Maier & Neustadt, L.L.P.
- 优先权： JPJP2018-046271 20180314
- 主分类号： B41J2/14
- IPC分类号： B41J2/14 ; B41J25/00
摘要：
A metal member includes a first layer and a second layer. The second layer has an average crystal grain size different from an average crystal grain size of the first layer. An intermediate layer having an average crystal grain size smaller than the average crystal grain sizes of the first layer and the second layer is interposed between the first layer and the second layer.
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