摘要:
An ink jet cartridge includes a ceiling plate having an ink receiving port and a plurality of grooves as an ink passage, the grooves being communicated with the ink receiving port, a base plate having discharge energy generating elements for generating sufficient discharge energy to discharge ink, an ink supply member having an ink supply portion for connecting with the ink receiving port, the ink supply member for supplying ink from the ink supply portion to the ink receiving port, and a support substrate for supporting the base plate and for fixing the ink supply member. The ink supply member includes a cantilever portion having a top end, a root portion and a neck portion defined between the top end and the root portion, a width of the neck portion being gradually spread toward the root portion, the ink supply portion of the ink supply member being arranged at the top end of the cantilever portion. The ink supply portion is pressed on the ink receiving port and connected with the ink receiving port, and the ceiling plate is connected with the base plate to form the ink passage.