
Provided are a liquid-jet head in which a passage-forming substrate and a nozzle plate can be suitably joined, a method of manufacturing the same, and a liquid-jet apparatus. A covering plate has a piezoelectric element holding portion which covers piezoelectric elements. This covering plate is joined with a side of the passage-forming substrate where the piezoelectric elements are provided. At the same time, the nozzle plate provided with nozzle orifices is joined with a side of the passage-for...











