Patent ID: 8162445

Claim:
An ink jet printing head attachable to/detachable from an ink jet printing apparatus, comprising: a print element board including ink ejection openings, elements which generate energy for ejecting ink from the ink ejection openings, and an electrode portion electrically connected with the elements; an electric wiring tape provided with external signal connection terminals which make contact with connection terminals of the ink jet printing apparatus when the ink jet printing head is attached to the ink jet printing apparatus, terminals connected to the electrode portion, and a wiring for transmitting signals including drive signals for the elements by connecting the terminals and the external signal connection terminals, wherein a part of the wiring is exposed at an end section being located on a side of an area where the external signal connection terminals are disposed; and a supporting member, which supports the print element board and the electric wiring tape, wherein an external surface of the supporting member is provided with a concave portion, the end section of the electric wiring tape is located above the concave portion, and the area of the electric wiring tape where the external signal connection terminals are disposed is between the end section and the print element board and is supported by the supporting member, such that the external surface of the supporting member is provided beneath the area of the electric wiring tape where the external signal connection terminals are disposed and no part of the concave portion is positioned beneath the area of the electric wiring tape where the external signal connection terminals are disposed.