Antibacterial Substrate and Method of Manufacturing the Same
First Claim
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1. An antibacterial substrate comprising:
- a substrate; and
a plurality of antibacterial metal islands formed on a surface of the substrate,wherein the antibacterial metal islands are exposed to an external atmosphere, andan average value of contact angles between the substrate and the respective antibacterial metal islands is 90 degrees or less, as measured on the basis of results of surface observation with a scanning electron microscope.
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Abstract
An antibacterial substrate of the present invention includes a substrate and a plurality of antibacterial metal islands formed on the surface of the substrate. The antibacterial metal islands are exposed to an external atmosphere. The average value of contact angles between the substrate and the respective antibacterial metal islands is 90 degrees or less, as measured on the basis of results of surface observation with a scanning electron microscope.
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19 Claims
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1. An antibacterial substrate comprising:
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a substrate; and a plurality of antibacterial metal islands formed on a surface of the substrate, wherein the antibacterial metal islands are exposed to an external atmosphere, and an average value of contact angles between the substrate and the respective antibacterial metal islands is 90 degrees or less, as measured on the basis of results of surface observation with a scanning electron microscope. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18)
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19. A method of manufacturing an antibacterial substrate, comprising a step of depositing an antibacterial metal in a form of islands, with a target film thickness of at least 0.1 nm but not more than 3 nm, on a surface of a substrate by a sputtering method carried out in an atmosphere of a gas containing an inert gas as a main component.
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