CIRCUIT BOARD AND LIQUID DISCHARGE HEAD

Title:

CIRCUIT BOARD AND LIQUID DISCHARGE HEAD

Document Type and Number:

Japanese Patent JP2021178479

Kind Code:

A

Abstract:

To provide a circuit board capable of inhibiting a poor connection between an electrode of a flexible printed circuit board and an electrode of the circuit board by uniformizing heat conduction of a wiring pattern connected to the electrode, and a liquid discharge head.SOLUTION: A circuit board comprises a plurality of electrodes that are connected to an electrode of a flexible printed circuit board by a solder joint, and a plurality of wiring patterns that are connected to the plurality of electrodes, respectively. Each of the wiring patterns is formed in an equal volume from the same material.SELECTED DRAWING: Figure 6

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Inventors:

SUZUKI ARATA

Application Number:

JP2020085627A

Publication Date:

November 18, 2021

Filing Date:

May 15, 2020

Export Citation:

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Assignee:

RICOH CO LTD

International Classes:

B41J2/14; B41J2/01; H05K1/02; H05K1/03

Attorney, Agent or Firm:

Hiroaki Sakai

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