Cartridge and image forming apparatus

A cartridge detachably attachable to a main body of an image forming apparatus, the cartridge comprising:

• a memory member that stores information relating to the cartridge;
• and
• a supporting body that has a memory mounting portion on which the memory member is mounted, wherein
• the memory member has a first surface, a second surface on a side opposite to the first surface, and a lateral surface extending in a direction crossing the first surface and the second surface,
• the first surface is provided with a contact portion that is connected to a main-body electrode portion of the main body of the image forming apparatus in a case where the cartridge is installed in the main body of the image forming apparatus,
• the memory mounting portion has a first opposing portion that is a surface opposing the second surface and a second opposing portion that opposes the lateral surface in a case where the memory member is mounted, and
• the memory member is mounted on the memory mounting portion by arrangement of adhesive between the second surface and the first opposing portion and between the lateral surface and the second opposing portion.