| 摘要 |
PROBLEM TO BE SOLVED: To provide an ink tank capable of generating a negative pressure stable irrespective of a material used therein. SOLUTION: By making a distribution of an adhesive force in a bonded region 111 between an inner wall 102 and an outer wall 101, the inner wall 102 is continuously separated from the outer wall 101 along with the discharge- out of ink to form a non-bonded region 110. COPYRIGHT: (C)2003,JPO |
