Abstract: A liquid ejecting head for ejection liquid includes an electric wiring member including a plurality of contact pads which are electrically contactable to a liquid ejecting apparatus; a storing element for storing individual information; and a liquid ejection member, provided with an ejection outlet, for ejecting the liquid using electric energy supplied through a part of the plurality of contact pads. The contact pads include an array of information contact pads electrically connected with the storing element, a voltage source contact pad for supplying the electric energy and a grounding contact pad. Directly adjacent to each of front and rear sides of the information contact pads constituting the array, the voltage source contact pad or the grounding contact pad is disposed.

Abstract: An ink jet recording head has an array of ink ejection outlets in an ejection outlet forming surface, to which a protection tape is adhered during transportation. The ejection outlet forming surface has an outside area which is outside of each of opposite ends of the array with respect to a direction of the array, and the outside area has a peel resistance, provided by surface modification, which resistance is higher than in another portion of the ejection outlet forming surface.

Abstract: An ink jet recording head is constituted by a recording element substrate provided with an energy generating element for generating energy for ejecting ink from an ink ejection outlet, an electric wiring member electrically connected with the recording element substrate, a mounting portion for mounting the recording element substrate, and an opening provided in the mounting portion. The electric wiring member penetrates through the opening.

Abstract: An ink jet recording head includes an ejection outlet array including a plurality of ejection outlets; an ink flow path portion in fluid communication with the ejection outlets to supply ink to the ejection outlets; a recording element substrate provided with the ejection outlet array, the ink flow path portion and a plurality of ejection heat generating resistors, provided correspondingly to the ejection outlets, for generating thermal energy for ejecting ink; a first warming heat generating resistor which is provided in lower layers of the ejecting heat generating resistors and which is extended below the ink flow path portion; and a second warming heat generating resistor provided in an outer peripheral portion of the recording element substrate.

Abstract: A liquid ejecting head for ejection liquid includes an electric wiring member including a plurality of contact pads which are electrically contactable to a liquid ejecting apparatus; a storing element for storing individual information; and a liquid ejection member, provided with an ejection outlet, for ejecting the liquid using electric energy supplied through a part of the plurality of contact pads. The contact pads include an array of information contact pads electrically connected with the storing element, a voltage source contact pad for supplying the electric energy and a grounding contact pad. Directly adjacent to each of front and rear sides of the information contact pads constituting the array, the voltage source contact pad or the grounding contact pad is disposed.

Abstract: A liquid ejecting head for ejection liquid includes an electric wiring member including a plurality of contact pads which are electrically contactable to a liquid ejecting apparatus; a storing element for storing individual information; and a liquid ejection member, provided with an ejection outlet, for ejecting the liquid using electric energy supplied through a part of the plurality of contact pads. The contact pads include an array of information contact pads electrically connected with the storing element, a voltage source contact pad for supplying the electric energy and a grounding contact pad. Directly adjacent to each of front and rear sides of the information contact pads constituting the array, the voltage source contact pad or the grounding contact pad is disposed.

Abstract: An object of this invention is to provide a head substrate having a fuse ROM without increasing the size. To achieve the object, a 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.

Abstract: An ink jet recording head having an array of ink ejection outlets in an ejection outlet forming surface on which a protection tape is stuck in transportation, wherein the ejection outlet forming surface has an outside area which is outside of each of opposite ends of the array with respect to a direction of the array, and the outside area has a peel resistance, provided by surface modification, which resistance is higher than in another portion of the ejection outlet forming surface.

Abstract: An ink jet recording head includes an ejection outlet array including a plurality of ejection outlets; an ink flow path portion in fluid communication with said ejection outlets to supply ink to said ejection outlets; a recording element substrate provided with said ejection outlet array, said ink flow path portion and a plurality of ejection heat generating resistors, provided correspondingly to said ejection outlets, for generating thermal energy for ejecting ink; a first warming heat generating resistor which is provided in lower layers of said ejecting heat generating resistors and which is extended below said ink flow path portion; and a second warming heat generating resistor provided in an outer peripheral portion of said recording element substrate.

Abstract: In a liquid-discharging recording head, external-signal input terminals are provided on a recessed first face and a second face that is higher than the first face. ID contact pads directly connected to information storage elements provided in the liquid-discharging recording head are arranged in a row on the first face along the border with the second face.

Abstract: An ink jet recording head is constituted by a recording element substrate provided with an energy generating element for generating energy for ejecting ink from an ink ejection outlet, an electric wiring member electrically connected with the recording element substrate, a mounting portion for mounting the recording element substrate, and an opening provided in the mounting portion. The electric wiring member penetrates through the opening.

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.

Abstract: An object of this invention is to provide a safe and reliable head substrate having a fuse ROM without increasing the substrate size. To achieve the object, a head substrate includes a plurality of printing elements for printing, first driving elements which drive the printing elements, a fuse ROM which stores information, a second driving element which drives the fuse ROM, input device for inputting a printing signal to cause the plurality of printing elements to print and a block selection signal to time-divisionally drive the printing elements, selective driving device for selectively driving the first driving elements on the basis of the input printing signal and block selection signal, a first pad which applies a first voltage to the fuse ROM to write information, and a second pad which applies a second voltage to read out the information from the fuse ROM.

Abstract: An object of this invention is to provide a head substrate having a fuse ROM without increasing the size. To achieve the object, a 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.

Abstract: An object of this invention is to provide a head substrate having a fuse ROM without increasing the size. To achieve the object, a 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.

Abstract: An object of this invention is to provide a safe and reliable head substrate having a fuse ROM without increasing the substrate size. To achieve the object, a head substrate includes a plurality of printing elements for printing, first driving elements which drive the printing elements, a fuse ROM which stores information, a second driving element which drives the fuse ROM, input means for inputting a printing signal to cause the plurality of printing elements to print and a block selection signal to time-divisionally drive the printing elements, selective driving means for selectively driving the first driving elements on the basis of the input printing signal and block selection signal, a first pad which applies a first voltage to the fuse ROM to write information, and a second pad which applies a second voltage to read out the information from the fuse ROM.

Abstract: In a liquid-discharging recording head, external-signal input terminals are provided on a recessed first face and a second face that is higher than the first face. ID contact pads directly connected to information storage elements provided in the liquid-discharging recording head are arranged in a row on the first face along the border with the second face.

Abstract: A liquid ejecting head for ejection liquid, includes electric wiring member including a plurality of contact pads which are electrically contactable to a liquid ejecting apparatus; a storing element for storing individual information; a liquid ejection member, provided with an ejection outlet for ejecting the liquid, for ejecting the liquid using electric energy supplied through a part of the plurality of contact pads, wherein the contact pads include an information contact pad electrically connected with the storing element, a voltage source contact pad for supply the electric energy and a grounding contact pad, and the voltage source contact pad or the grounding contact pad is disposed at each of both sides of the information output contact pad, with no individual information contact pad which is electrically contactable to the liquid ejecting apparatus, therebetween.

Abstract: A process to remedy a polluted medium includes contacting a first medium containing a pollutant with a second medium containing a microorganism which is capable of decomposing the pollutant. A membrane permeable to the pollutant and impermeable to the microorganism is spaced between the first and second media. The first medium and the second medium may flow in opposite directions to each other.