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A portable power supply device comprises a stackable battery housing locating a plurality of batteries therein and an inverter housing locating an inverter therein which is arranged to convert the direct current from the batteries to an alternating current. The inverter housing is readily separable from the battery housing such that one or more battery housings can be readily interchangeable to provide a constant supply of power and to allow a variety of charging configurations of the batteries. First electrical connectors on the battery housing and second electrical connectors on the inverter housing automatically connect the inverter to the batteries upon stacking of the inverter housing on the battery housing. Furthermore charging terminals are mounted externally on the inverter housing for ready access to connect to a charging device in a convenient manner without requiring the housings to be opened or separated form one another.

A flip chip interconnect system comprises and elongated pillar comprising two elongated portions, one portion including copper and another portion including solder. The portion including copper is in contact with the semiconductor chip and has a length preferably of more than 55 microns to reduce the effect of .alpha. particles from the solder from affecting electronic devices on the chip. The total length of the pillar is preferably in the range of 80 to 120 microns.

A respiratory mask assembly for delivering breathable gas to a patient includes a frame having a main body and a side frame member provided on each lateral side of the main body. Each side frame member includes an integrally formed first connector portion. A headgear assembly is removably attachable to the frame. The headgear assembly has a second connector portion adapted to be removably coupled with the first connector portion provided on the frame. The second connector portion is manually movable to a releasing position to detach the headgear assembly from the frame. The headgear assembly is rotationally adjustable with respect to the frame.

A surgical fastener apparatus is provided with a reinforcement material holder, where the holder positions a sheet of reinforcement material adjacent body tissue that is sutured by a plurality of surgical staples dispensed by the apparatus.

A molecular-wire crossbar interconnect for signal routing and communications between a first level and a second level in a molecular-wire crossbar is provided. The molecular wire crossbar comprises a two-dimensional array of a plurality of nanometer-scale switches. Each switch is reconfigurable and self-assembling and comprises a pair of crossed wires which form a junction where one wire crosses another and at least one connector species connecting the pair of crossed wires in the junction. The connector species comprises a bi-stable molecule. Each level comprises at least one group of switches and each group of switches comprises at least one switch, with each group in the first level connected to all other groups in the second level in an all-to-all configuration to provide a scalable, defect-tolerant, fat-tree networking scheme. The primary advantage is ease of fabrication, because an active switch is formed any time two wires cross. This saves tremendously on circuit area (a factor of a few times ten), since no other wires or ancillary devices are needed to operate the switch or store the required configuration. This reduction of the area of a configuration bit and its switch to just the area of two crossing wires is a major advantage in constructing a defect-tolerant interconnect network.

Methods and apparatus for electrosurgically treating human skin. The skin may be treated by applying thermal energy to the dermis to shrink the skin following liposuction, or to induce collagen deposition at the site of a wrinkle for wrinkle reduction or removal. In another embodiment, a method involves electrosurgically removing or modifying tissue in the head or neck to provide a face-lift or a neck-lift. In one embodiment, the working end of an electrosurgical instrument is positioned in at least close proximity to the dermis by approaching the dermis from the underside (reverse side) of the skin.

Systems and methods are described for scoring consumers' credit risk by determining consumers' income risk and future ability to pay. Methods are provided for measuring consumers' income risk by analyzing consumers' income loss risk, income reduction risk, probability of continuance of income, and economy's impact on consumers' income. In one embodiment, a method is provided to evaluate an individual's creditworthiness using income risk based credit score thereby providing creditors, lenders, marketers, and companies with deeper, new insights into consumer's credit risk and repayment potential. By predicting consumers' income risk and the associated creditworthiness the present invention increases the accuracy and reliability of consumers' credit risk assessments, results in more predictive and precise consumer credit scoring, and offers a new method of rendering a forward-looking appraisal of an individual's ability to repay a debt or the ability to pay for products and services.

A method for growth and fabrication of semipolar (Ga, Al, In, B)N thin films, heterostructures, and devices, comprising identifying desired material properties for a particular device application, selecting a semipolar growth orientation based on the desired material properties, selecting a suitable substrate for growth of the selected semipolar growth orientation, growing a planar semipolar (Ga, Al, In, B)N template or nucleation layer on the substrate, and growing the semipolar (Ga, Al, In, B)N thin films, heterostructures or devices on the planar semipolar (Ga, Al, In, B)N template or nucleation layer. The method results in a large area of the semipolar (Ga, Al, In, B)N thin films, heterostructures, and devices being parallel to the substrate surface.

A handheld computer device for data acquisition is described. The device includes a hardware interface to be connected to a processing device and to an attachable sensor. The device also includes a data module to interact with the sensor and with the processing device and a display module to display data collection results on a display of the processing device.

The present invention provides methods, systems and system components for transferring, assembling and integrating features and arrays of features having selected nanosized and / or microsized physical dimensions, shapes and spatial orientations. Methods of the present invention utilize principles of ‘soft adhesion’ to guide the transfer, assembly and / or integration of features, such as printable semiconductor elements or other components of electronic devices. Methods of the present invention are useful for transferring features from a donor substrate to the transfer surface of an elastomeric transfer device and, optionally, from the transfer surface of an elastomeric transfer device to the receiving surface of a receiving substrate. The present methods and systems provide highly efficient, registered transfer of features and arrays of features, such as printable semiconductor element, in a concerted manner that maintains the relative spatial orientations of transferred features.

Wireless stereo headsets and methods of using the headsets are described. In one embodiment, a wireless stereo headset includes a first earpiece, having a first speaker and a first USB connector, and a second earpiece which has a second speaker and a second USB connector. The USB connectors are configured to charge a battery within each earpiece without a cable to connect the earpiece to a source of power, and the earpieces are shaped to matingly engage together such that the first speaker mates with the second USB connector and the second speaker mates with the first USB connector. In one embodiment, each of the first earpiece and the second earpiece can be configured to act as master device and when one becomes the master device, the other earpiece will in response act as the slave device.

An apparatus for supplying surgical buttress material to a surgical stapler is provided. The apparatus has a pivotable area for attaching surgical buttress material. The apparatus may also have an adhesive and a release liner disposed over the buttress material.

This invention relates to the use of mixed mode chromatography for purification of at least one intact non-aggregated antibody from a mixture containing intact non-aggregated antibodies and undesirable materials, including fragmented or aggregated antibodies, host cell proteins, DNA, endotoxin, and / or virus. This invention further relates to the integration of such a method into a multi-step procedure with other fractionation methods for purification of antibodies suitable for in vivo applications.