Liquid droplet discharge head and method of manufacturing the liquid droplet discharge head

A liquid droplet discharge head comprising:

• nozzles that discharge liquid droplets;
• pressure chambers that are communicated with the nozzles and filled with liquid droplets;
• a diaphragm that configures part of the pressure chambers, and
• piezoelectric member groups that are configured by individuating piezoelectric plates in a matrix and joining the piezoelectric plates to the surface of the diaphragm, with the piezoelectric member groups including piezoelectric elements that cause the diaphragm to be displaced as a result of a voltage being applied to the piezoelectric elements;
• wherein the liquid droplet discharge head is manufactured by a method including
• preparing the piezoelectric member groups where the plural piezoelectric plates have been individuated, and
• joining the piezoelectric member groups to the diaphragm in a state where mutual boundaries of the piezoelectric member groups have been fitted together and with a predetermined clearance being disposed.

A method of manufacturing a liquid droplet discharge head including

• nozzles that discharge liquid droplets,
• pressure chambers that are communicated with the nozzles and filled with liquid droplets,
• a diaphragm that configures part of the pressure chambers, and
• piezoelectric member groups that are configured by joining, to the surface of the diaphragm, piezoelectric plates that have groove portions and are processed in a matrix, the piezoelectric member groups including piezoelectric elements that cause the diaphragm to be displaced as a result of a voltage being applied to the piezoelectric elements,
• the method comprising:
• processing the piezoelectric plates in a matrix including the groove portions and dummy portions to prepare the piezoelectric member groups;
• joining the piezoelectric member groups to the diaphragm in a state where mutual boundaries of the piezoelectric member groups have been fitted together and with a predetermined clearance being disposed;
• and
• after joining one of the piezoelectric member groups, measuring its positional displacement amount and, in consideration of correcting the positional displacement amount, joining the next piezoelectric member group.