Liquid ejection head and method for manufacturing the same

A first sealant for sealing a region under an electrical connection portion and a second sealant for sealing a region on the electrical connection portion are used as sealants for the electrical connection portion for connecting an electric wiring member to an ejection energy generation element of a...

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1. Verfasser: Imamura, Isao
Format: Patent
Sprache:eng
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Zusammenfassung:A first sealant for sealing a region under an electrical connection portion and a second sealant for sealing a region on the electrical connection portion are used as sealants for the electrical connection portion for connecting an electric wiring member to an ejection energy generation element of a liquid ejection head, these sealants contain the same base agent and curing agent, and the linear expansion coefficients of the first sealant and the second sealant after curing are adjusted so as to become in a predetermined range.