摘要:
A method of manufacturing a liquid discharging head which includes a flow path forming member which has a discharge port for discharging a liquid and a liquid flow path communicating with the discharge port, and a base body having a liquid supply port which supplies the liquid flow path with the liquid, the method includes (1) forming a mold of the liquid flow path and a foundation member formed of a porous inorganic material over the base body, (2) applying an organic resin over the base body so as to cover the mold and the foundation member to form the flow path forming member, (3) forming the discharge port in the flow path forming member to form the liquid supply port in the base body, and (4) removing the mold to form the liquid flow path.
摘要:
A recording element substrate includes a substrate; an insulating layer disposed on the substrate; a plurality of heating portions which are arranged on the insulating layer and which produce thermal energy used to eject a liquid; and a plurality of heat conduction members, each being located between adjacent heating portions with respect to an arrangement direction of the heating portions, the heat conduction members being located between the substrate side principal surface of the insulating layer and the heating portion side principal surface of the insulating layer and having higher thermal conductivity than the insulating layer. The heat conduction members are in contact with a heat conduction layer which has higher thermal conductivity than the insulating layer.
摘要:
A manufacturing method for a liquid-discharge head substrate including a base material provided with an energy generating element that generates energy utilized for discharging liquid, a noble metal layer including noble metal provided on a surface of the base material on energy generating element side, and a material layer provided to come into contact with the noble metal layer. The manufacturing method includes preparing the base material on which the material layer is provided, oxidizing a part of a surface of the material layer by discharging electricity in oxygen-containing gas, and providing the noble metal layer on the base material.
摘要:
To provide a print head that simplifies the manufacture process of a print head and reduces the manufacturing cost while preventing the peeling-off between a substrate and a flow passage forming member in the print head, and a method of manufacturing the print head. In the print head of the present invention, a protective layer is formed in a flow passage forming member side portion in a heat generating portion 2. The protective layer 20 contains a noble metal. Then, in the flow passage forming member side portion in the protective layer 20, the surface thereof is made of an oxide of a noble metal except in a portion corresponding to the heat generating portion 2, while in the portion corresponding to the heat generating portion 2 on the flow passage forming member side in the protective layer 20, the surface thereof is made of the noble metal.
摘要:
A recording element substrate includes a substrate; an insulating layer disposed on the substrate; a plurality of heating portions which are arranged on the insulating layer and which produce thermal energy used to eject a liquid; and a plurality of heat conduction members, each being located between adjacent heating portions with respect to an arrangement direction of the heating portions, the heat conduction members being located between the substrate side principal surface of the insulating layer and the heating portion side principal surface of the insulating layer and having higher thermal conductivity than the insulating layer. The heat conduction members are in contact with a heat conduction layer which has higher thermal conductivity than the insulating layer.
摘要:
A manufacturing method for a liquid-discharge head substrate including a base material provided with an energy generating element that generates energy utilized for discharging liquid, a noble metal layer including noble metal provided on a surface of the base material on energy generating element side, and a material layer provided to come into contact with the noble metal layer. The manufacturing method includes preparing the base material on which the material layer is provided, oxidizing a part of a surface of the material layer by discharging electricity in oxygen-containing gas, and providing the noble metal layer on the base material.
摘要:
A print head formed in a simplified and less costly manufacture process can be effective in preventing the peeling-off between a substrate and a flow passage forming member. In the print head, a protective layer is formed between the flow passage forming member and a heat generating portion. The protective layer contains a noble metal. On a side of the flow passage forming member, the surface of the protective layer is made of an oxide of a noble metal, except in a portion corresponding to the heat generating portion, while in the portion corresponding to the heat generating portion on the flow passage forming member side, the surface thereof is made of the noble metal.
摘要:
In a method of manufacturing a liquid discharging head which includes a flow path forming member which has a discharge port for discharging a liquid and a liquid flow path communicating with the discharge port, and a base body having a liquid supply port which supplies the liquid flow path with the liquid, the method includes (1) forming a mold of the liquid flow path and a foundation member formed of a porous inorganic material over the base body, (2) applying an organic resin over the base body so as to cover the mold and the foundation member to form the flow path forming member, (3) forming the discharge port in the flow path forming member to form the liquid supply port in the base body, and (4) removing the mold to form the liquid flow path.
摘要:
A simplified and less costly manufacture process of a print head can be effective in preventing the peeling-off between a substrate and a flow passage forming member. In the print head, a protective layer is formed between the flow passage forming member and a heat generating portion. The protective layer contains a noble metal. On a side of the flow passage forming member, the surface of the protective layer is made of an oxide of a noble metal, except in a portion corresponding to the heat generating portion, while in the portion corresponding to the heat generating portion on the flow passage forming member side, the surface thereof is made of the noble metal.
摘要:
A liquid ejection head includes a liquid-ejection head substrate including an element, which generates thermal energy used for ejecting a liquid from an ejection port, and a protective layer, which covers at least the element, and in which first layers and second layers are alternately stacked; a flow passage member which defines a wall of a flow passage communicating with the ejection port; and a flow-passage electrode disposed in the flow passage.