Abstract: The present invention is to provide an electronic device which is capable of suppressing deformation due to a restoring force of a bump electrode. The electronic device includes a pressure chamber forming substrate (29) which is provided with a piezoelectric element (32) causing a driving region (a1) to be deformed on the driving region (a1) capable of being bent and deformed, a sealing plate (33) which is disposed at intervals with respect to the pressure chamber forming substrate (29) in a state of interposing a bump electrode (40) having elasticity therebetween, and an adhesive (43) which bonds the pressure chamber forming substrate (29) and the sealing plate (33) in a state of maintaining the interval, and the adhesive (43) is provided on at least a region between the bump electrode (40) and the driving region (a1).

Abstract: An electronic device includes a first substrate including a structure body protruded from one surface; and a second substrate stacked and disposed facing the one surface through a spacer, in which the first substrate and the spacer are bonded to each other by an adhesive, and in which the adhesive is extended up to the structure body along the one surface.

Abstract: An electronic device includes a first substrate including a structure body protruded from one surface; and a second substrate stacked and disposed facing the one surface through a spacer, in which the first substrate and the spacer are bonded to each other by an adhesive, and in which the adhesive is extended up to the structure body along the one surface.

Abstract: A method for manufacturing a wiring board includes electroless plating wiring patterns provided on a base substrate and cleaning the base substrate. The step of cleaning the base substrate includes at least either using an alkaline solvent or using an acid solvent.