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Liquid discharge head and liquid discharge head manufacturing method

  • US 10,457,044 B2
  • Filed: 03/31/2017
  • Issued: 10/29/2019
  • Est. Priority Date: 04/05/2016
  • Status: Active Grant
First Claim
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1. A liquid discharge head comprising:

  • a plurality of recording element substrates each having an energy generating element configured to generate energy for discharging liquid from a discharge port; and

    a sealing member with which a surround of each of the plurality of recording element substrates is filled,wherein each of the plurality of recording element substrates includes a recessed portion on an end surface that faces a neighboring recording element substrate, and in the recessed portion, a gap between neighboring recording element substrates is wider than a gap between element surfaces on which the energy generating element is provided.

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