Patent ID: 7789488

Claim:
A liquid discharge head, comprising a support; a recording element substrate configured to discharge liquid, the recording element substrate being supported by the support; and a flexible wiring board supported by the support, the flexible wiring board comprising: a first resin layer having an opening for providing the recording element board and bonded to the support; a second resin layer having an opening for providing the recording element board and formed on a back side of the first resin layer; a plurality of wiring parts formed between the first resin layer and the second resin layer; and a plurality of inner leads formed by extending ends of the plurality of wiring parts from the opening and connected to the recording element board, wherein, in a periphery of the opening of the second resin layer, a thickness of the second resin layer in an end area of arrangement of the plurality of inner leads is smaller than a thickness of the second resin layer in an area other than the end area.