Liquid container and ink jet recording apparatus employing liquid container

A liquid container comprising:

• a liquid containing portion having an opening;
• a liquid supply portion, fixed in said liquid containing portion, for introducing the liquid from said liquid containing portion;
• an information memory medium accommodating portion, provided in said liquid containing portion, for holding an information memory medium storing information relating to said liquid container,
• wherein said information memory medium accommodating portion is constructed such that a contact surface of the information memory medium held by said information memory medium accommodating portion is opposed to said liquid supply portion, and such that a space is provided between the contact surface and a surface of said liquid containing portion,
• wherein the space provides a portion for receiving a connector, and
• wherein said information memory medium accommodating portion has a recess or cavity for fixing the information memory medium on an inner side opposite said liquid supply portion so that the contact surface of the information memory medium faces said liquid supply portion.