Patent ID: 7401897

Claim:
An inkjet head, comprising: a nozzle plate that has a plurality of nozzles from which ink is ejected; and a cover plate that has a plurality of openings respectively corresponding to the plurality of nozzles, the cover plate and the nozzle plate being adhered to each other with an adhesive so that the plurality of nozzles of the nozzle plate respectively communicate with the plurality of openings of the cover plate, wherein a gap is formed between opposed surfaces of the cover plate and the nozzle plate, the gap being filled with the adhesive, wherein the gap has a wide gap portion whose thickness is larger than that of the other portion of the gap, wherein a surface of the nozzle plate forming the wide gap portion is configured to be a curved portion, and wherein at least one of the opposed surfaces of the cover plate and the nozzle plate forming the wide gap portion has a groove.