摘要:
An apparatus comprising a substrate having a surface with a volume-tunable-material on the surface and fluid-support-structures over the surface and partially embedded in the volume-tunable-material. Each of said fluid-support-structures has at least one dimension of about 1 millimeter or less, and the fluid-support-structures are moveable in response to a volume transition of the volume-tunable-material.
摘要:
An apparatus that comprises a liquid mirror. The liquid mirror includes a liquid that forms an interface with a fluid adjacent to the liquid. The liquid mirror also includes a layer of reflective particles located at the interface, wherein the layer forms a reflective surface.
摘要:
A device comprising a substrate having a surface that comprises a conductive base layer. The device also comprises fluid-support-structures on the conductive base layer. Each of the fluid-support-structures has at least one dimension of about 1 millimeter or less. Each of the fluid-support-structures is coated with an electrical insulator. The device is configured to oscillate a fluid locatable between tops of the fluid-support-structures and the conductive base layer when a voltage is applied between the conductive base layer and the fluid.
摘要:
A method comprising, providing a droplet having a first chemical species and a second chemical species on a substrate, and applying a voltage across the droplet to physically repeatedly deform the droplet. In this embodiment, the applying causes the droplet to move with respect to an object located therein and at least partially mix the first chemical species and the second chemical species.
摘要:
An apparatus, comprising a plurality of closed cells disposed on a surface of a substrate. Each of the closed cells has at least one dimension that is less than about 1 millimeter and are configured to hold a medium therein. The apparatus also comprises a foam that contacts the closed cells. The foam has fluid walls that include a surfactant, and bubbles of the foam layer are filled with the medium.
摘要:
An apparatus, comprising a plurality of closed cells disposed on a surface of a substrate. Each of the closed cells has at least one dimension that is less than about 1 millimeter and are configured to hold a medium therein. The apparatus also comprises a foam that contacts the closed cells. The foam has fluid walls that include a surfactant, and bubbles of the foam layer are filled with the medium.
摘要:
A battery having an electrode with at least one nanostructured surface is disclosed wherein the nanostructured surface is divided into cells and is disposed in a way such that an electrolyte fluid of the battery is prevented from contacting the portion of electrode associated with each cell. When a voltage is passed over the nanostructured surface associated with a particular cell, the electrolyte fluid is caused to penetrate the nanostructured surface of that cell and to contact the electrode, thus activating the portion of the battery associated with that cell. The current/voltage generated by the battery is controlled by selectively activating only a portion of the cells. Multiple cells can be active simultaneously to produce the desired voltage. The more cells that are active, the higher the current/voltage and the lower the overall life of the battery. The life of the battery can be extended by activating fewer cells simultaneously.
摘要:
An apparatus that comprises a liquid mirror. The liquid mirror includes a liquid that forms an interface with a fluid adjacent to the liquid. The liquid mirror also includes a layer of reflective particles located at the interface, wherein the layer forms a reflective surface.
摘要:
An apparatus, comprising a plurality of closed cells disposed on a surface of a substrate. Each of the closed cells has at least one dimension that is less than about 1 millimeter and are configured to hold a medium therein. The apparatus also comprises a foam that contacts the closed cells. The foam has fluid walls that include a surfactant, and bubbles of the foam layer are filled with the medium.
摘要:
A method of controlling the flow resistance of a fluid disposed on a surface of a substrate. The method comprises contacting a fluid with a plurality of cells on a substrate and adjusting amounts of a surfactant and a medium in the fluid to thereby form a foam layer contacting the walls of the cells. Each of the cells has at least one dimension that is less than about 1 millimeter and is configured to hold the medium therein. Each of the cells has walls that laterally enclose an area of a surface of the substrate and has a top opening. Bubbles of the foam layer have fluid walls that include a surfactant, are filled with the medium, and remain substantially stationary on the top openings of the cells for a period on average of at least about 1 minute.