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| Number | Title | Issue Date |
| 8148874 | Microactuator having multiple degrees of freedom A MEMS vertical displacement device for vertically displacing and tilting a vertically displaceable platform. The vertically displaceable platform may be displaced using a plurality of recurve actuators configured to provide vertical displacement without horizontal ... | 04/03/2012 |
| 7944113 | Hysteretic MEMS thermal device and method of manufacture A MEMS hysteretic thermal actuator may have a plurality of beams disposed over a heating element formed on the surface of the substrate. The plurality of beams may be coupled to a passive beam which is not disposed over the heating element. One of the plurality of b... | 05/17/2011 |
| 7800279 | Thermo-buckled micro actuation unit made of polymer of high thermal expansion coefficient Disclosed is a thermo-buckled micro actuation unit made of parylene, which is a polymer having high thermal expansion coefficient, for delivering liquid from a source liquid section to a target liquid section, including a substrate on which a thermo-buckled micro ac... | 09/21/2010 |
| 7638921 | Active material node based reconfigurable structures Reconfigurable structures include at least one hub, a plurality of arms attached to and extending from the at least one hub, wherein at least a portion of the arm and/or hub defines a node and is formed of an active material. The active material is adapted to change... | 12/29/2009 |
| 7626311 | Hysteretic MEMS two-dimensional thermal device and method of manufacture A MEMS hysteretic thermal device may have two passive beam segments driven by a current-carrying loop coupled to the surface of a substrate. The first beam segment is configured to move in a direction having a component perpendicular to the substrate surface, wherea... | 12/01/2009 |
| 7619346 | Method and system for monitoring environmental conditions A sensing system, sensing method, and method of producing a sensing system capable of providing a cumulative measurement capability, such as in the form of a RFID tag capable of measuring cumulative heat and humidity for continuous monitoring of storage and shipping... | 11/17/2009 |
| 7548010 | Active material based actuators for large displacements and rotations An actuator adapted to incrementally translate and/or rotate an object, the actuator comprising a body comprising a first portion, a second portion, and an opening coaxially extending from the first portion and the second portion, wherein the opening is dimensioned ... | 06/16/2009 |
| RE40303 | Actuator device with shape-memory flexible cable An actuator including a shape-memory flexible cable with a flexible sheath can be used, by controlling it both electrically and mechanically using the sheath as element for applying a mechanical tensile force. The shape-memory flexible cable is provided with a coati... | 05/06/2008 |
| 7367119 | Method for forming a reinforced tip for a probe storage device Systems and methods in accordance with the present invention can include a tip contactable with a media. In an embodiment, the tip comprises a substantially hollow structure formed of a metal. The tip can be formed by depositing a first metal layer over silicon ther... | 05/06/2008 |
| 7362032 | Electroactive polymer devices for moving fluid The invention describes devices for performing thermodynamic work on a fluid, such as pumps, compressors and fans. The thermodynamic work may be used to provide a driving force for moving the fluid. Work performed on the fluid may be transmitted to other devices, su... | 04/22/2008 |
| 7358593 | Microfabricated miniature grids A grid structure and method for manufacturing the same. The grid is used for gating a stream of charged particles in certain types of particle measurement instruments, such as ion mobility spectrometers and the like. The methods include various microfabrication tech... | 04/15/2008 |
| 7360007 | System including a segmentable, shared bus A system includes a bus shared by a plurality of devices and a logic circuit adapted to segment the bus into a plurality of portions. In one embodiment of the present invention, the system may include a plurality of devices and a first multiplexer logic circuit adap... | 04/15/2008 |
| 7337532 | Method of manufacturing micro-electromechanical device having motion-transmitting structure A method of manufacturing a micro-electromechanical device is provided. The method comprises providing a substrate incorporating drive circuitry, and forming a drive member, a motion-transmitting member and a working member on the substrate as discrete components. T... | 03/04/2008 |
| 7339454 | Tensile-stressed microelectromechanical apparatus and microelectromechanical relay formed therefrom A microelectromechanical (MEM) apparatus is disclosed which includes a shuttle suspended above a substrate by two or more sets of tensile-stressed beams which are operatively connected to the shuttle and which can comprise tungsten or a silicon nitride/polysilicon c... | 03/04/2008 |
| 7336524 | Atomic probes and media for high density data storage A device in accordance with embodiments of the present invention comprises a contact probe for high density data storage reading, writing, erasing, or rewriting. In one embodiment, the contact probe can include a silicon core having a conductive coating. Contact pro... | 02/26/2008 |
| 7331616 | Hood latch assemblies utilizing active materials and methods of use A latch for engaging and disengaging two opposing surfaces includes a pin disposed on one surface and a gate disposed on an opposite surface; an active material in operative communication with the pin or the gate; an activation device in operative communication with... | 02/19/2008 |
| 7321185 | Active multistable twisting device Two similarly shaped, such as rectangular, shells are attached to one another such that they form a resulting thin airfoil-like structure. The resulting device has at least two stable equilibrium shapes. The device can be transformed from one shape to another with a... | 01/22/2008 |
| 7314382 | Apparatus and methods of manufacturing and assembling microscale and nanoscale components and assemblies An apparatus including a positioner that is transitional from a first positioner orientation towards a second positioner orientation and that comprises a bistable member having a first substantially stable state corresponding to the first positioner orientation and ... | 01/01/2008 |
| 7309630 | Method for forming patterned media for a high density data storage device Systems in accordance with the present invention can include a tip contactable with a media, the media including a substrate and a plurality of cells disposed over the substrate, one or more of the cells being electrically isolated from the other of the cells by a m... | 12/18/2007 |
| 7287485 | Temperature activated systems A shape memory material activated device of the present invention uses a shape memory material activator to create a path through a shell wall of the device. The path through the shell wall may release a substance contained in the shell or allow a substance to enter... | 10/30/2007 |
| 7286743 | High dynamic range integrated receiver A high dynamic range integrated (HDRI) receiver includes a variable optical attenuator (VOA) for attenuating an incoming optical signal before the optical signal is directed to a photo-detector for conversion into an electrical signal. An optical block receives the ... | 10/23/2007 |
| 7283030 | Doubly-anchored thermal actuator having varying flexural rigidity A doubly-anchored thermal actuator for a micro-electromechanical device such as a liquid drop emitter or a fluid control microvalve is disclosed. The thermal actuator is comprised of a base element formed with a depression having opposing anchor. A deformable elemen... | 10/16/2007 |
| 7268646 | Temperature controlled MEMS resonator and method for controlling resonator frequency There are many inventions described and illustrated herein. In one aspect, the present invention is directed to a temperature compensated microelectromechanical resonator as well as fabricating, manufacturing, providing and/or controlling microelectromechanical reso... | 09/11/2007 |
| 7249856 | Electrostatic bimorph actuator An electrostatic bimorph actuator includes a cantilevered flexible bimorph arm that is secured and insulated at one end to a planar substrate. In an electrostatically activated state the bimorph arm is generally parallel to the planar substrate. In a relaxed state, ... | 07/31/2007 |
| 7246954 | Opto-electronic housing and optical assembly An opto-electronic housing and an opto-electronic assembly. The housing includes an enclosure defining a cavity. An opening through a wall of the enclosure is adapted to receive a substrate. A mount projects into the cavity opposite the opening. The mount is adapted... | 07/24/2007 |
| 7244367 | Metal alloy elements in micromachined devices A micromechanical device is provided, which includes at least one flexible member formed from an alloy, where the alloy is made up of one or more noble metals and one or more alloying elements, wherein each of the alloying elements has an equilibrium solid solubilit... | 07/17/2007 |
| 7239064 | Resettable latching MEMS temperature sensor apparatus and method The Resettable Latching MEMS Temperature Sensor provides the capability of recording external temperature extremes without consuming electrical power. The device incorporates a thermal bimorph, contacts, latches, and actuators for device reset. The device can be des... | 07/03/2007 |
| 7239107 | Flexure stage In one embodiment, a flexure stage comprises a base, a stage, a positioning mechanism, and a control device. The base and stage have first and second portions that are spaced apart from each other. The positioning mechanism is coupled between the base and the stage.... | 07/03/2007 |
| 7224883 | Actuator and latching systems and methods An optical switch for routing signals includes a latch receiver connected to a waveguide that routes the signals and an actuator that includes an upper plate, a lower plate and a latch connected to the lower plate, the lower plate of the actuator moving vertically w... | 05/29/2007 |
| 7221247 | Magnetically actuated microelectromechanical systems actuator A microelectrical mechanical system (MEMS) actuator having electrically conductive coils that create first magnetic fields that are opposed by a second magnetic field is disclosed. The actuator includes two coils having dual, interspersed Archimedean spirals. Within... | 05/22/2007 |
| 7221817 | Beam switch structures and methods A substantially straight beam in an unbuckled state is compressed to cause the beam to buckle using an adjustable compressor. The adjustable compressor applies force to one or both ends of the beam and limits compression on the beam to allow the beam to move between... | 05/22/2007 |
| 7202761 | Temperature compensation for silicon MEMS resonator Thermally induced frequency variations in a micromechanical resonator are actively or passively mitigated by application of a compensating stiffness, or a compressive/tensile strain. Various composition materials may be selected according to their thermal expansion ... | 04/10/2007 |
| 7194572 | Memory system and method to reduce reflection and signal degradation Embodiments of the invention provide a memory command and address (CA) bus architecture that can accommodate higher CA data output frequencies with reduced signal degradation. For one embodiment of the invention the CA is divided on the motherboard and a CA signal c... | 03/20/2007 |
| 7190245 | Multi-stable micro electromechanical switches and methods of fabricating same A micro electromechanical (MEMS) switch suitable for use in medical devices is provided, along with methods of producing and using MEMS switches. In one aspect, a micro electromechanical switch including a moveable member configured to electrically cooperate with a ... | 03/13/2007 |
| 7189962 | Semiconductor relay apparatus and wiring board fabrication method Three chips, i.e., an LED, photovoltaic IC, and MOS-FET, are mounted on a silicon substrate having two projections arranged substantially parallel to each other. Each projection has a side surface formed by an inclined surface including a curve having an inflection ... | 03/13/2007 |
| 7178859 | Method for controlling airflow An airflow control device comprises a body and an active material in operative communication with the body. The active material, such as shape memory material, is operative to change at least one attribute in response to an activation signal. The active material can... | 02/20/2007 |
| 7178395 | Control logic for fluid flow control devices A system for controlling fluid flow about a vehicle. The system comprises a fluid flow control device, an obstacle sensor for detecting obstacles, and a controller. The fluid flow control device has a body with at least one surface and an actuation means in operativ... | 02/20/2007 |
| 7168249 | Microelectrical mechanical structure (MEMS) optical modulator and optical display system A microelectrical mechanical out-of-plane thermal buckle-beam actuator is capable of providing transverse-plane movement of shutters. The actuator includes a pair of structural anchors secured to a substrate and one or more thermal buckle-beams secured at respective... | 01/30/2007 |
| 7151627 | Microelectrical mechanical structure (MEMS) optical modulator and optical display system A MEMS optical display system includes an illumination source for providing illumination light, a collimating lens for receiving the illumination light and forming from it collimated illumination light, and a converging microlens array having an array of lenslets th... | 12/19/2006 |
| 7147271 | Airflow control devices with planar surfaces An airflow control device comprises a body and an active material in operative communication with the body. The active material, such as a shape memory material, is operative to change at least one attribute in response to an activation signal. The active material c... | 12/12/2006 |
