发明名称 |
METHOD FOR MANUFACTURING SUBSTRATE FOR LIQUID EJECTION HEAD AND METHOD FOR MANUFACTURING LIQUID EJECTION HEAD |
摘要 |
When protective portions are independently provided for each energy generation element, a leakage current inspection between the protective portions and the energy generation elements cannot be performed at once. Therefore, there is a concern that the inspection in manufacturing a substrate for liquid ejection head requires time. Therefore, the substrate for liquid ejection head is manufactured by performing a leakage current inspection between a connecting portion that is electrically connected to plurality of protective portions and a terminal to which the plurality of energy generation elements are connected, and thereafter removing the connecting portion. |
申请公布号 |
US2012047737(A1) |
申请公布日期 |
2012.03.01 |
申请号 |
US201113216069 |
申请日期 |
2011.08.23 |
申请人 |
ISHIDA YUZURU;HATSUI TAKUYA;SHIBATA KAZUAKI;YASUDA TAKERU;OOHASHI RYOJI;IMANAKA YOSHIYUKI;OMATA KOICHI;TAMURA HIDEO;KUBO KOUSUKE;TAMARU YUJI;CANON KABUSHIKI KAISHA |
发明人 |
ISHIDA YUZURU;HATSUI TAKUYA;SHIBATA KAZUAKI;YASUDA TAKERU;OOHASHI RYOJI;IMANAKA YOSHIYUKI;OMATA KOICHI;TAMURA HIDEO;KUBO KOUSUKE;TAMARU YUJI |
分类号 |
B21D53/00 |
主分类号 |
B21D53/00 |
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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