Method of connecting wiring member

A method of electrically connecting a wiring member to a plurality of electrodes which respectively correspond to a plurality of recording elements of a recording head, the wiring member including a plurality of wire portions and a plurality of terminal portions each of which is connected to the corresponding wire portion, the method comprising:

• forming convex bumps by using a conductive solder, respectively on the plurality of terminal portions;
• and
• connecting the plurality of terminal portions and the plurality of electrodes respectively to one another via the respective convex bumps by heating and melting the convex bumps at a predetermined temperature with the convex bumps pressed respectively onto the plurality of electrodes with a predetermined load,
• wherein the connecting the plurality of terminal portions and the plurality of electrodes is carried out such that the predetermined load and the predetermined temperature are decreased with an increase in a level of a height range to which a height of the convex bumps belongs, the height range being one of a plurality of divided height ranges.

A method of electrically connecting a wiring member to a plurality of electrodes which respectively correspond to a plurality of recording elements of a recording head, the wiring member including a plurality of wire portions and a plurality of terminal portions each of which is connected to the corresponding wire portion, the method comprising:

• forming convex bumps by using a conductive solder, respectively on the plurality of terminal portions;
• and
• connecting the plurality of terminal portions and the plurality of electrodes respectively to one another via the respective convex bumps by heating and melting the convex bumps at a predetermined temperature with the convex bumps pressed respectively onto the plurality of electrodes with a predetermined load,
• wherein the connecting the plurality of terminal portions and the plurality of electrodes is carried out such that one of the predetermined load and the predetermined temperature is decreased with an increase in a level of a height range to which a height of the convex bumps belongs, the height range being one of a plurality of divided height ranges.