Abstract: A trench type power semiconductor device which includes deposited rather than grown oxide in the trenches for the electrical isolation of electrodes disposed inside the trenches from the semiconductor body.

Abstract: Storage-stable compositions comprising a color developer, an anionic dispersant and a thickening agent as well as heat-sensitive recording materials comprising such compositions, a process for its manufacture and its use.

Abstract: Methods and kits for measuring levels of von Willebrand factor function in a sample without using a platelet aggregation agonist, such as ristocetin, comprising recombinant glycoprotein Ib? having at least two of a G233V, D235Y and M239V mutations and an agent to detect a complex between the recombinant glycoprotein Ib? and von Willebrand factor.

Abstract: A portable exercise platform having at least two platform sections connected by a mechanism for connecting them in an open condition and in a closed condition. Preferred embodiments include a split longitudinal resistance mechanism and an interwoven latitudinal resistance mechanism. The split longitudinal resistance mechanism includes first and second parts, each part being attached to at least one platform section and having a plurality of resistance bands. The interwoven latitudinal resistance mechanism includes first and second parts, each part being attached to at least one platform section and having a plurality of resistance bands. Preferred embodiments include retractable handgrips, each handgrip having an extendable-retractable strap, each of the plurality of resistance bands suitable for directly or indirectly (via a spreader attachment device) attaching to the extendable-retractable strap.

Abstract: A marine cable for seismic surveys is described with a plurality of ceramic pressure sensors arranged in groups of at least two pressure sensors with a group output being representative of the vertical pressure gradient at the group location, and an inclinometric system including one or more transducers for determining the orientation of the sensors of the group in order to determine their true vertical separation.

Abstract: A method for selecting parameters of a seismic source array comprising a plurality of source elements each having a notional source spectrum is described, the method comprising calculating a ghost response function of the array; calculating directivity effects of the array; and adjusting the parameters of the array such that the directivity effects of the array are compensated by the ghost response to minimize angular variation of a far field response in a predetermined frequency range. A method for determining a phase center of a seismic source array is also related, the method comprising calculating a far field spectrum of the array at predetermined spherical angles, and minimizing the phase difference between the farfield spectra within a predetermined frequency range by adjusting a vertical reference position from which the spherical angles are defined.

Abstract: A laser ablated wafer for a semiconductor device, such as a MOSFET or other power device, and a method of producing such a wafer to achieve a lower electrical resistance are provided. The method includes forming first holes, slots or trenches on a first surface of the wafer and focusing a laser beam to form second trenches on a bottom surface of the wafer, and filling the trenches, for example using aluminum or other metallic filling, to provide conductive electrodes or conductive surfaces for the semiconductor device. In such a wafer each trench on the second surface may be deeper, for example more than one hundred microns deep and tens of microns wide.

Abstract: The present invention provides a laser-sensitive recording material, which comprises a substrate being coated with a recording layer and an undercoating layer, wherein the recording layer undergoes a colour change upon heat treatment produced by laser irradiation and wherein the undercoating layer comprises a pigment with the proviso that the system of the recording layer that undergoes a colour change upon heat treatment produced by laser irradiation does not comprise an organic leuco dye and an organic colour developer, a process for its preparation, a process for marking the laser-sensitive recording material and the marked laser-sensitive recording material.

Abstract: An improved process for the preparation of microcapsules consisting essentially of a wall material and a core material in condensing a melamine-formaldehyde precondensate and/or methyl ethers thereof in an aqueous dispersion of a water-insoluble core material and in the presence of an acrylic acid/acrylamide copolymer at acidic pH and at a temperature in the range of from 20° to 100° C., and hardening thereafter the melamine-formaldehyde precondensate to form the walls of the microcapsules at an elevated temperature, wherein the core material is dispersed in the precondensate/copolymer solution without initial partial condensation of the precondensate and copolymer and wherein the hydrophobe point of the precondensate and/or its methyl esters is less than 90° C., as well as microcapsules, paper and pressure-sensitive recording material comprising such microcapsules.

Abstract: A semiconductor package that includes at least two semiconductor devices that are coupled to one another through a conductive clip.

Abstract: A power semiconductor device that includes a stack of a thin metal layer and a thick metal layer over the active region thereof, and a method for the fabrication thereof.

Abstract: Methods and kits for measuring levels of von Willebrand factor function in a sample without using a platelet aggregation agonist, such as ristocetin, comprising recombinant glycoprotein Ib? having at least two of a G233V, D235Y and M239V mutations and an agent to detect a complex between the recombinant glycoprotein Ib? and von Willebrand factor.

Abstract: New color developers, new mixture comprising it, its processes for preparation, heat sensitive recording compositions and materials comprising the novel developers and mixtures as well as their uses in heat sensitive recording materials.

Abstract: Storage-stable compositions comprising a colour developer, an anionic dispersant and a thickening agent as well as heat-sensitive recording materials comprising such compositions, a process for its manufacture and its use.

Abstract: A method for correcting marine seismic data is described in which a measured surface elevation relative to a reference surface of an array of source units is used to compensate for variations in the height and/or shape of a sea surface. Various embodiments correct for the elevation of the array as a whole, differences in the elevation of source units within the array, and scattering from the sea surface which arises due to the sea surface not being flat.

Abstract: A marine cable for seismic surveys is described with a plurality of ceramic pressure sensors (901-904) arranged in groups of at least two pressure sensors with a group output being representative of the vertical pressure gradient at the group location, and an inclinometric system including one or more transducers for determining the orientation of the sensors of the group in order to determine their true vertical separation.

Abstract: A power semiconductor device which includes gate liners extending along gate insulation liners and an insulation block spacing the two gate liners.

Abstract: A trench type power semiconductor device which includes deposited rather than grown oxide in the trenches for the electrical isolation of electrodes disposed inside the trenches from the semiconductor body.