Structure including thin primer film and method of producing said structure
One object is to provide a structure including a thin primer film formed by a dry process and tightly bound to a fluorine-containing silane coupling agent. In accordance with one aspect, a structure according to an embodiment of the present disclosure includes: a substrate; and a thin primer film containing at least one substance selected from the group consisting of silicon, titanium, aluminum, aluminum oxide, and zirconium and formed on a surface of the substrate by a dry process.
1. A structure comprising: a substrate; an emulsion layer formed on the substrate; and a thin primer film containing at least one substance selected from the group consisting of silicon, titanium, aluminum, aluminum oxide, and zirconium and formed on a part or entirety of a surface of the emulsion layer by a dry process,
wherein the substrate is selected from the group consisting of: (a) a stencil printing plate having formed therein openings corresponding to a printing pattern; (b) a mesh body; (c) a mesh body used in a stencil printing plate; (d) a printing pattern retainer of a stencil printing plate, the printing pattern retainer having formed therein printing pattern openings; and (e) a porous sheet body.
2. The structure of claim 1 wherein the thin primer film further contains oxygen or nitrogen.
3. The structure of claim 1 wherein the thin primer film contains an Si oxide, a Ti oxide, or a Zr oxide.
4. The structure of claim 1 wherein the dry process is a process selected from the group consisting of sputtering methods, plasma CVD methods, CVD methods, vacuum evaporation methods, MBE methods, cluster ion beam methods, high-frequency ion plating methods, and combinations of these methods.
5. The structure of claim 1 wherein an amorphous carbon film substantially comprising carbon only or an amorphous carbon film substantially comprising carbon and hydrogen only is formed on an area of the surface of the emulsion layer where the thin primer film is not formed.
6. The structure of claim 1 wherein the substrate is a stencil printing plate having formed therein openings corresponding to a printing pattern.
7. The structure of claim 1 wherein the substrate is a mesh body.
8. The structure of claim 1 wherein the substrate is a mesh body used in a stencil printing plate.
9. The structure of claim 1 wherein the substrate is a printing pattern retainer of a stencil printing plate, the printing pattern retainer having formed therein printing pattern openings.
10. The structure of claim 1 wherein the substrate is a porous sheet body.
11. A stencil printing plate comprising: a printing mesh body; an emulsion layer formed on the printing mesh body; and a thin primer film formed on the emulsion layer by a dry process and containing at least one substance selected from the group consisting of silicon, titanium, aluminum, aluminum oxide, and zirconium; and a coating layer formed on the thin primer film and having water repellence and/or water and oil repellence.
12. The stencil printing plate of claim 11 wherein the thin primer film further contains oxygen or nitrogen.
13. The stencil printing plate of claim 11 wherein the thin primer film contains an Si oxide, a Ti oxide, or a Zr oxide.
14. The stencil printing plate of claim 11 wherein the coating layer comprises a fluorine-containing coupling agent.
15. The stencil printing plate of claim 11 wherein the coating layer comprises a fluorine-containing silane coupling agent.
16. The stencil printing plate of claim 11 wherein the coating later comprises: a first layer formed on the thin primer film and composed mainly of a coupling agent capable of forming, with the thin primer film, a hydrogen bonding and/or an —O-M bonding (M is any one element selected from a group consisting of Si, Ti, Al, and Zr) by condensation reaction; and a second layer formed on the first layer and composed mainly of a water-repellent material or a water- and oil-repellent material.
17. The stencil printing plate of claim 11 wherein the coupling agent is selected from a group consisting of silane coupling agent, titanate-based coupling agent, aluminate-based coupling agent, and zirconate-based coupling agent.
18. A method of producing a stencil printing plate comprising the steps of: preparing a printing mesh body; forming an emulsion layer on the printing mesh body; and forming a thin film containing at least one element or compound selected from the group consisting of silicon, titanium, aluminum, aluminum oxide, and zirconium on the emulsion layer by a dry process.
19. The method of claim 18 , further comprising the step of subjecting the thin film to a plasma process with any one of nitrogen, oxygen, and a mixture gas of nitrogen and oxygen.