BRIEF DESCRIPTION OF THE DRAWINGS
Embodiments of the invention are described in detail with reference to the following drawings, in which like features are indicated by like numbers in which:
FIGS. 1A and 1B are schematic views illustrating a method of measuring a receding contact angle θa and an advancing contact angle θb;
FIG. 2 is a schematic diagram illustrating an ink-jet recording apparatus according to an embodiment of the invention;
FIG. 3A is a plan view of an ink cartridge shown in FIG. 2;
FIG. 3B is another plan view of an ink cartridge shown in FIG. 2;
FIG. 3C is a bottom view of an ink cartridge shown in FIG. 2;
FIG. 4 is a perspective view of an ink cartridge shown in FIG. 2, when viewed from a lower side;
FIG. 5 is a cross-sectional view taken along the line IV-IV of FIG. 3B; and
FIG. 6 is a cross-sectional view taken along the line VII-VII of FIG. 5.
Patent Application
20070200880
