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AssigneeCanon Kabushiki Kaisha
InventorsYohei Hamade, Kazunari Ishizuka, Satoshi Tsutsui, Miho Ishii, Haruka Yamaji, Hikaru Sugimoto
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A method for manufacturing a microstructure comprising cured products of photosensitive resin compositions, the method comprising: a step of forming at least two layers of the photosensitive resin compositions each comprising a photopolymerization initiator; a step of subjecting each of the formed at least two layers of the photosensitive resin compositions to patterning exposure; and a step of collectively developing the exposed at least two layers of the photosensitive resin compositions to obtain a microstructure, wherein in the at least two layers of the photosensitive resin compositions, 90% by mass or more of the photopolymerization initiators contained in at least one of the two adjacent layers of the photosensitive resin compositions is a nonionic photopolymerization initiator.
A method for manufacturing a microstructure comprising cured products of photosensitive resin compositions, the method comprising:
A microstructure comprising cured products of at least two layers of photosensitive resin compositions, wherein
A liquid ejection head comprising a substrate, a flow path forming member which is provided on the substrate and forms a liquid flow path, and an ejection port forming member which is provided on the flow path forming member and has an ejection port for ejecting the liquid, wherein
Dependencies are inferred from the claim text.