Cartridge

A cartridge to be installed in a tape printing device including a cartridge installation part for installing the cartridge, an engagement convex part provided in the cartridge installation part, and a contact terminal part provided in a first direction with respect to the engagement convex part and elastically displaceable in the first direction, the cartridge comprising:

• a cartridge case that forms an outer shell of the cartridge;
• a substrate attachment part that is provided on the cartridge case;
• a circuit substrate that is attached to the substrate attachment part, has an electrode that comes in contact with the contact terminal part when the cartridge is installed in the cartridge installation part, and is pressed to the engagement convex part by a pressing force accompanied by an elastic displacement of the contact terminal part;
• and
• a convex-part reception part that is provided on a side opposite to a surface of the circuit substrate on which the electrode is provided and allows reception of the engagement convex part when the cartridge is installed in the cartridge installation part.