Head substrate, printhead, head cartridge, and printing...

Details Head substrate, printhead, head cartridge, and printing... Head substrate, printhead, head cartridge, and printing...

2008-04-29

2008-04-29

Nguyen, Thinh (Department: 2861)

Incremental printing of symbolic information

Ink jet

Fluid or fluid source handling means

C347S059000

Reexamination Certificate

active

07364284

ABSTRACT:
A head substrate having a fuse ROM can be provided without increasing the size. The head substrate includes an ink supply port which has a long hole shape elongated in a first direction, a plurality of printing elements arrayed along the first direction on both sides of the ink supply port, a plurality of first driving elements, arrayed along the first direction at positions spaced apart further away from the ink supply port than the plurality of printing elements, for driving the plurality of printing elements, a plurality of fuse ROMs which store information, and a plurality of second driving elements for driving the plurality of fuse ROMs. A signal line used for driving the plurality of first driving elements and second driving elements is shared. The plurality of second driving elements are arranged on the same array as the first driving elements at positions adjacent to both ends of each array of the plurality of first driving elements.

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