摘要:
A package has a pad chip having contact pads, a spring chip having micro-springs in contact with the contact pads to form interconnects, the area in which the micro-springs contact the contact pads forming an interconnect area, a chemical activator in the interconnect area, and an adhesive responsive to the chemical activator in the interconnect area. A package has a pad chip having contact pads, a spring chip having micro-springs in contact with the contact pads to form interconnects, a chemical activator on one of either the pad chip or the spring chip, and an adhesive responsive to the chemical activator on the other of either the pad chip or the spring chip. A method includes providing a pad chip having contact pads, providing a spring chip having micro-springs, applying a chemical activator to one of either the pad chip or the spring chip, applying an adhesive responsive to the chemical activator on the other of the pad chip or the spring chip, aligning the pad chip to the spring chip such that the micro-springs will contact the contact pads, and pressing the pad chip and the spring chip together such that the chemical activator at least partially cures the adhesive.
摘要:
A printing surface includes a substrate having latching electrodes on a first surface, a spacer layer on the first surface of the substrate, the spacer layer patterned to form wells such that the latching electrodes reside in the wells, a deformable membrane, the membrane having conductive regions, on the spacer layer to enclose the wells, each enclosed well and its associated region of the membrane forming a pixel membrane, and actuation circuitry to actuate the electrodes to cause selected ones of the pixel membranes to remain in a deflected state when the pixel membranes receive an impulse to return to an undeflected state.
摘要:
Spring structures are subjected to pre-release and post-release annealing to tune their tip height to match a specified target. Post-release annealing increases tip height, and pre-release annealing decreases tip height. The amount of tuning is related to the annealing temperature and/or time. Annealing schedules are determined for a pre-fabricated cache of unreleased spring structures such that finished spring structures having a variety of target heights can be economically produced by releasing/annealing the cache according to associated annealing schedules. Selective annealing is performed using lasers and heat absorbing/reflecting materials. Localized annealing is used to generate various spring structure shapes. Both stress-engineered and strain-engineered spring structures are tuned by annealing.
摘要:
A thermal switch has a first substrate, a thermally conductive region on the first substrate, a thermally insulative region on the first substrate adjacent the thermally conductive region, a second substrate arranged adjacent the first substrate, a droplet of thermally conductive liquid between the first and second substrate adjacent the thermally conductive region and the thermally insulative region, and an actuator arranged on one of the first or second substrates to cause the droplet to move between the thermally conductive region and the thermally insulative region on the first substrate.
摘要:
An apparatus for merging and mixing two droplets using electrostatic forces includes a substrate on which are disposed a first originating electrode, a center electrode, and a second originating electrode. The electrodes are disposed such that a first gap is formed between the first originating electrode and the center electrode and a second gap is formed between the second originating electrode and the center electrode. A dielectric material surrounds the electrodes on the substrate. A first droplet is deposited asymmetrically across the first gap, and a second droplet is deposited asymmetrically across the second gap. Voltage potentials are placed across the first gap and second gap, respectively, whereby each droplet is moved toward the other such that they collide together, causing the droplets to merge and mix, and causing oscillations within the collided droplet.
摘要:
A method and device for merging and mixing at least two separate and distinct fluid drops on a substrate, includes a drop merging area on the surface, where a first magnetic material is placed at a first location. A first drop of fluid is then placed at the first location on the surface, resulting in the first magnetic material being at least partially positioned within the first drop of fluid. A second drop of fluid is then placed at a second location on the surface of the drop merging area. A magnetic field is applied by a varying magnetic field generator to at least a portion of the drop merge area of the substrate, which includes at least the first location on the substrate. The varying magnetic field will act on the first magnetic material to move the first magnetic material within the first drop of fluid, causing a stirring of the fluid. A drop merging force from a drop merging mechanism is applied to at least one of the first drop of fluid and the second drop of fluid within the drop merge area. This causes at least one of the first drop of fluid and the second drop of fluid to move toward the other and make contact. The internal stirring of the fluid in the first drop of fluid by the movement of the magnetic material enhances the mixing of the constituents of the first drop of fluid and the constituents of the second drop of fluid.
摘要:
A printing surface includes a substrate having latching electrodes on a first surface, a spacer layer on the first surface of the substrate, the spacer layer patterned to form wells such that the latching electrodes reside in the wells, a deformable membrane, the membrane having conductive regions, on the spacer layer to enclose the wells, each enclosed well and its associated region of the membrane forming a pixel membrane, and actuation circuitry to actuate the electrodes to cause selected ones of the pixel membranes to remain in a deflected state when the pixel membranes receive an impulse to return to an undeflected state.
摘要:
Fluidic conduits, which can be used in microarraying systems, dip pen nanolithography systems, fluidic circuits, and microfluidic systems, are disclosed that use channel spring probes that include at least one capillary channel. Formed from spring beams (e.g., stressy metal beams) that curve away from the substrate when released, channels can either be integrated into the spring beams or formed on the spring beams. Capillary forces produced by the narrow channels allow liquid to be gathered, held, and dispensed by the channel spring probes. Because the channel spring beams can be produced using conventional semiconductor processes, significant design flexibility and cost efficiencies can be achieved.
摘要:
Fluidic conduits, which can be used in microarraying systems, dip pen nanolithography systems, fluidic circuits, and microfluidic systems, are disclosed that use channel spring probes that include at least one capillary channel. Formed from spring beams (e.g., stressy metal beams) that curve away from the substrate when released, channels can either be integrated into the spring beams or formed on the spring beams. Capillary forces produced by the narrow channels allow liquid to be gathered, held, and dispensed by the channel spring probes. Because the channel spring beams can be produced using conventional semiconductor processes, significant design flexibility and cost efficiencies can be achieved.
摘要:
A pan/tilt apparatus for a camera includes a base, a stage mounted on the base to rotate around a vertical pan axis, an optical apparatus mounted on the stage, a pan actuating mechanism, and a tilt actuating mechanism. The optical apparatus includes a frame that supports a magnetic structure and a mirror such that they are pivotable around a horizontal tilt axis. The mirror receives an image directed along an incident axis, and redirects the image along the pan axis, e.g., to a camera that is disposed on or below the base. The pan actuating mechanism engages and rotates the stage into a desired pan direction. The tilt actuating mechanism modulates (alters) a magnetic field applied to the mirror/magnetic structure by, for example, moving a permanent magnet that is mounted on the base.