Patent ID: 8608285

Claim:
A liquid discharge head comprising: a recording element board provided with an energy generating element adapted to generate energy used to discharge a liquid; an electrical wiring board adapted to supply the energy generating element with an electrical signal for discharging the liquid; a supporting member adapted to support the recording element board and the electrical wiring board; a plurality of wires adapted to connect a plurality of terminals provided on the recording element board and a plurality of terminals provided on the electrical wiring board with each other; and a sealing member adapted to seal the plurality of terminals provided on the recording element board and the plurality of terminals provided on the electrical wiring board, wherein the plurality of wires include a plurality of transmitting wires contributory to transmission of electrical signals between the recording element board and the electrical wiring board and a plurality of non-transmitting wires non-contributory to the transmission of electrical signals, the non-transmitting wires being formed at a higher position than that of the transmitting wires from a surface of the supporting member which supports the recording element board, and wherein all parts of each of the plurality of transmitting wires are covered by the sealing member, whereas some parts of each of the plurality of non-transmitting wires are covered by the sealing member and other parts are exposed through the sealing member.