Circuit board, liquid cartridge, and storage device

PROBLEM TO BE SOLVED: To provide a circuit board, a liquid cartridge, and a storage device.SOLUTION: A circuit board comprises: a substrate mounted on a structure; a plurality of terminal electrodes exposed to the exterior of the structure, and formed so as to be arranged in a predetermined direction of the substrate; an integrated circuit that includes storage element for storing information inputted/outputted via the terminal electrodes; and a dummy electrode not connected with the integrated circuit. When a shortest distance between the plurality of terminal electrodes and the dummy electrode is defined as L1, and a shortest distance between the dummy electrode and an outer edge of the structure in the predetermined direction is defined as L2, and a shortest distance between the plurality of terminal electrodes and the outer edge of the structure in the predetermined direction is defined as L3, a relation of L1+L2

Keywords:

• Electrode
• Optoelectronics
• Printed circuit board
• Cartridge
• Integrated circuit
• Materials science
• shortest distance

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