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Eskridge, US

Dana A. Eskridge, Ojai, CA US

Patent application numberDescriptionPublished
20080208195Surgical Instrument With Telescoping Attachment - A surgical instrument for the dissection of bone and other tissue includes a spindle, a dissection tool and an coupler disposed between the spindle and the dissection tool. The coupler includes a tool collet and an attachment locking mechanism operable to permit tool collet operation and telescoping movement of an attachment tube with respect to the dissection tool. A method is also provided for convenient coupling of the dissection tool and adjustment of the attachment tube length.08-28-2008

Mark Eskridge, Renton, WA US

Patent application numberDescriptionPublished
20090166827MECHANICAL ISOLATION FOR MEMS DEVICES - A device according to the present invention includes a MEMS device supported on a first side of a die. A first side of an isolator is attached to the first side of the die. A package is attached to the first side of the isolator, with at least one electrically conductive attachment device attaching the die to the isolator and attaching the isolator to the package. The isolator may include isolation structures and a receptacle.07-02-2009
20090321857SYSTEMS AND METHODS FOR REDUCED STRESS ANCHORS - Anchor systems and methods anchor components of a Micro-Electro-Mechanical Systems (MEMS) device to a substrate. An exemplary embodiment has a trace anchor bonded to a substrate, a device anchor bonded to the substrate, and an anchor flexure configured flexibly couple the trace anchor and the device anchor to substantially prevent transmission of a stress induced in the trace anchor from being transmitted to the device anchor.12-31-2009
20100092795SYSTEMS AND METHODS FOR PLATINUM BALL BONDING - An annealed platinum free air ball is bonded to a first contact and to a second contact. The bonding work hardens the platinum so that a work hardened platinum ball is resistant to temperature induced creep.04-15-2010
20100105167MEMS DEVICES AND METHODS OF ASSEMBLING MICRO ELECTROMECHANICAL SYSTEMS (MEMS) - A Micro ElectroMechanical Systems device according to an embodiment of the present invention is formed by dicing a MEMS wafer and attaching individual MEMS dies to a substrate. The MEMS die includes a MEMS component attached to a glass layer, which is attached to a patterned metallic layer, which in turn is attached to a number of bumps. Specifically, the MEMS component on the glass layer is aligned to one or more bumps using windows that are selectively created or formed in the metallic layer. One or more reference features are located on or in the glass layer and are optically detectable. The reference features may be seen from the front surface of the glass layer and used to align the MEMS components and may be seen through the windows and used to align the bumps. As an end result, the MEMS component may be precisely aligned with the bumps via optical detection of the reference features in the glass layer.04-29-2010
20100147075MEMS DEVICES AND METHODS WITH CONTROLLED DIE BONDING AREAS - Microelectromechanical system (MEMS) devices and methods with controlled die bonding areas. An example device includes a MEMS die having a glass layer and a protective package. The glass layer includes a side facing the protective package with at least one mesa protruding from a recessed portion of the glass layer. The at least one mesa is attached to the protective package. An example method includes creating at least one mesa on a glass layer of a MEMS die and attaching the at least one mesa to a protective package.06-17-2010
20110042137SUSPENDED LEAD FRAME ELECTRONIC PACKAGE - An apparatus and method for packaging an electronic device that mechanically isolates the electronic device from its supporting substrate, eliminating transfer of mechanical stress from the substrate to the device. The apparatus includes a plurality of elongated members that extend from a frame support to a center opening, where the ends of the elongated members together support the electronic device. The shape, material and orientation of the elongated members combine to both support the electronic device and absorb mechanical force transmitted from the substrate to the support frame. In one example, the absorbing portion is substantially perpendicular to the direction of the transmitted force and the transmitted force is absorbed by mechanical displacement of one end of the perpendicular portion. The apparatus and method are particularly effective in eliminating the negative effects of thermal expansion mismatch between the electronic device and its supporting substrate.02-24-2011
20110108935SILICON TAB EDGE MOUNT FOR A WAFER LEVEL PACKAGE - A Micro-ElectroMechanical Systems (MEMS) device having electrical connections (a metallization pattern) available at an edge of the MEMS die. The metallization pattern on the edge of the die allows the die to be mounted on edge with no further packaging, if desired.05-12-2011

Patent applications by Mark Eskridge, Renton, WA US

Mark H. Eskridge, Renton, WA US

Patent application numberDescriptionPublished
20080315397DIE MOUNTING STRESS ISOLATOR - One method of the present invention includes preparing a die with traces and pads as desired for the intended use of the die. A MEMS device is mounted to the die. The die is then mounted to a substrate of the same material as the die. The substrate is then mounted to a package. The die and/or the substrate may be flip-chip mounted.12-25-2008

Patent applications by Mark H. Eskridge, Renton, WA US

Thomas C. Eskridge, Gurf Breeze, FL US

Patent application numberDescriptionPublished
20090138142Motion-resolving hover display - An integrated flight instrument which provides unambiguous information regarding the motion of a hovering aircraft. The instrument accurately depicts motion in six degrees of freedom (roll, pitch, yaw, forward translation, lateral translation, and vertical translation), as well as aircraft power requirements and utilization.05-28-2009