Liquid ejection head and liquid ejection head cartridge

A liquid ejection head to be used for an inhaler which ejects a liquid and makes a user inhale the liquid comprising:

• an ejection element which has a liquid feeding opening, electrothermal transducer rows that are arrayed on both sides thereof respectively so as to sandwich the liquid feeding opening and are formed of a plurality of electrothermal transducers, and ejection nozzles for ejecting the liquid which are provided on parts opposing to the electrothermal transducers respectively;
• and
• an external connecting terminal member for applying an electrical signal to the plurality of the electrothermal transducers,
• wherein,
• the external connecting terminal member is arranged so that a width direction in one end of its longitudinal direction matches with a direction of the electrothermal transducer rows and has a region for external connecting terminal on the other end of the longitudinal direction, and
• a plurality of the ejection elements having the same widths in the direction of the electrothermal transducer rows are arranged therein so that the widths are aligned.