HEAD DIAPHRAGM SUBSTRATE, LIQUID DISCHARGE HEAD, LIQUID DISCHARGE DEVICE, AND LIQUID DISCHARGE APPARATUS

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...

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Bibliographische Detailangaben
Hauptverfasser: TSUZUKI, Kohei, HIRATSUKA, Yuta, MORITA, Kaname, MORI, Takashi, KOBAYASHI, Yohsuke, OKAMOTO, Ryoji
Format: Patent
Sprache:eng
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Zusammenfassung: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.