摘要:
A method for manufacturing an ejection element substrate, which is provided with a flow-channel-forming member having an ejection orifice for ejecting a liquid and a liquid flow channel that is communicated with the ejection orifice, a substrate having a supply port for supplying the liquid to the liquid flow channel, and a filter structure formed in the bottom of the supply port, includes: forming the supply port by forming a through-hole by etching the substrate from a second face of the substrate on the side opposite to a first face of the substrate, on which the flow-channel-forming member is disposed; providing a resinous protection film on the side face and the bottom of the supply port; and forming a minute opening in the resinous protection film in the bottom of the supply port by carrying out a laser processing from the side of the second face.
摘要:
A process includes preparing a base material having a first surface provided with an element generating energy that is used for discharging a liquid and an electrode layer that is connected to the element; forming a hollow on a second surface, which is the surface on the opposite side of the first surface, of the base material, wherein part of the electrode layer serves as the bottom face of the hollow; covering the surface of the base material and the bottom face forming the inner face of the hollow with an insulating film; and partially exposing the electrode layer by removing part of the insulating film covering the bottom face using laser light.
摘要:
Disclosed is a cooling air intake structure for a V-belt drive continuously variable transmission, which is disposed beside the rear wheel of a small vehicle and which does not permit muddy water and dust to enter therein. A cooling air inlet through which cooling air is taken in is formed at a position beside a transmission case and above a cooling fan side opening formed in the transmission case opposite to a drive pulley. A cooling air passage extending from the cooling air inlet to the side opening is formed so as to surround the side opening. Cooling air taken in through the cooling air inlet is guided so as to flow upward first and then flows downward along a U-shaped cooling air passage to the side opening of the transmission case beside the cooling fan.
摘要:
A method of manufacturing a substrate for a liquid discharge head having a silicon substrate in which a liquid supply port is provided includes providing the silicon substrate, an etching mask layer having an aperture being formed on one surface of the silicon substrate, forming a region comprising an amorphous silicon in the interior of the silicon substrate by irradiating the silicon substrate with laser light, forming a recess, which has an opening at a part of a portion exposed from the aperture on the one surface, from the one surface of the silicon substrate toward the region, and forming the supply port by performing etching on the silicon substrate in which the recess and the region have been formed from the one surface through the aperture of the etching mask layer.
摘要:
Provided is a liquid ejection head having a structure in which an organic resinous member is formed in contact with a substrate. The substrate includes heat generators for generating heat energy used to eject ink, when being energized, and a metallic line portion for energizing the heat generators. The organic resinous member is provided with ejection openings corresponding to the heat generators. In the liquid ejection head, the substrate and the organic resinous member have an improved adhesion therebetween, and are prevented from being separated from each other. To improve the adhesion, the metallic line portion is cut so that no line portion exists under an end part of the organic resinous member (nozzle formation member). Then, two members of the line portion thus cut are connected to each other through a roundabout line formed under an insulating layer which has a good adhesion to the organic resin.
摘要:
A process includes preparing a base material having a first surface provided with an element generating energy that is used for discharging a liquid and an electrode layer that is connected to the element; forming a hollow on a second surface, which is the surface on the opposite side of the first surface, of the base material, wherein part of the electrode layer serves as the bottom face of the hollow; covering the surface of the base material and the bottom face forming the inner face of the hollow with an insulating film; and partially exposing the electrode layer by removing part of the insulating film covering the bottom face using laser light.
摘要:
A method for manufacturing a liquid discharge head includes heating the surface portion of power line that is to be in contact with a member made of resin, thereby forming, from a precious metal layer and a nickel layer, an adhesion layer made of an alloy containing precious metal and nickel as major components.
摘要:
A method of manufacturing a substrate for a liquid discharge head having a silicon substrate in which a liquid supply port is provided includes providing the silicon substrate, an etching mask layer having an opening being formed on a one surface of the silicon substrate, forming a region comprising an amorphous silicon in the interior of the silicon substrate by irradiating the silicon substrate with laser light, forming a recess, which has an opening at a part of a portion exposed from said opening on said one surface, from said one surface of the silicon substrate toward the region, and forming the supply port by performing etching on the silicon substrate in which the recess and the region have been formed from said one surface through the opening of the etching mask layer.
摘要:
To provide a manufacturing method, for a liquid discharge head substrate that includes a silicon substrate in which a liquid supply port is formed, includes the steps of: preparing the silicon substrate, on one face of which a mask layer, in which an opening has been formed, is deposited; forming a first recessed portion in the silicon substrate, so that the recessed portion is extended through the opening from the one face of the silicon substrate to the other, reverse face of the silicon substrate; forming a second recessed portion by performing wet etching for the substrate, via the first recessed portion, using the mask layer; and performing dry etching for the silicon substrate in a direction from the second recessed portion to the other face.
摘要:
A manufacturing method for manufacturing a liquid ejection element substrate for a liquid ejection element for ejecting liquid through an ejection outlet, the liquid ejection element substrate including an energy generating element for generating energy for ejecting the liquid and an electrode for supplying electric power to the energy generating element, includes a step of forming on a front side of the substrate an energy generating element and wiring electrically connecting with the energy generating element; a step of forming a recess in the form of a groove on the side of the substrate at a position where the wiring is formed; a step of forming an embedded electrode electrically connected with the wiring by filling electrode material in the recess; and a step of thinning the substrate at a back side after formation of the embedded electrode to expose the embedded electrode at the back side of the substrate, thus providing an electrode exposed at the back side of the substrate.