Skjerven Morrill MacPherson LLP, Klivans; Norman R. - US Patent Attorneys and Agents

Attorney: Skjerven Morrill MacPherson LLP, Klivans; Norman R.

Number of patents: 26
Last date: July 23, 2002

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Number	Title	Issue Date
6423612	Method of fabricating a shallow trench isolation structure with reduced topography A shallow trench isolation (STI) region is covered with a nitride layer. The nitride layer, advantageously, fills in gaps in the underlying dielectric layer, such as seams, thereby reducing leakage. The nitride layer may be patterned to form a spacer abov...	07/23/2002
6415429	Field programmable analogue processor A programmable analogue device including an array of cells. Each cell is controllable for performing a predetermined set of analogue functions. The cells are selectively interconnected for programming selected analogue circuits. Each cell includes an arra...	07/02/2002
6406636	Methods for wafer to wafer bonding using microstructures Wafer-to-wafer bonding using, e.g., solder metal bonding, glass bonding or polymer (adhesive) bonding is improved by profiling one or both of the wafer surfaces being bonded to define microstructures therein. Profiling means providing other than the conve...	06/18/2002
6404889	Protection of a component video signal A VGA (or other component video signal) output, e.g. from a computer or DVD player, is protected so it is viewable on a VGA monitor. However, if the component video signal is converted to composite video (e.g. television) the resulting television picture ...	06/11/2002
6387056	Excisional biopsy needle and method for use with image-directed technology An excisional biopsy needle assembly for use in combination with a stereotactic platform for excising tissue from the interior of the body. The biopsy needle includes a rotatable flexible blade that is capable of transforming between a contracted configur...	05/14/2002
6376329	Semiconductor wafer alignment using backside illumination A projection exposure apparatus for exposing a semiconductor wafer to a pattern, formed on a reticle, using a projection lens system. An alignment optical system is disposed at a backside of the wafer which is remote from the projection lens system. The a...	04/23/2002
6355993	Linear motor having polygonal shaped coil units The embodiments describe linear motor configurations having a polygonal shaped motor coil. The motor coil is e.g. hexagonal, diamond shaped, or double diamond shaped. Coil units are formed in a closed electrically conductive band surrounding a void. Coil ...	03/12/2002
6344750	Voltage contrast method for semiconductor inspection using low voltage particle beam Defects in a patterned substrate are detected by inspection with a charged particle beam inspection tool which generates an image of a portion of the patterned substrate and compares the image with a reference in order to identify any defects in the patte...	02/05/2002
6340918	Negative feedback amplifier circuit An amplifier circuit comprises a first amplifier stage controlling a second gain stage which is coupled between a voltage input node and an output node. A frequency compensating circuit is coupled between a compensating circuit node of the gain stage and ...	01/22/2002
6340913	Filter circuit with positive feedback loop A filter circuit comprising a phase advance circuit acting as a high pass filter, a phase retard circuit acting as a low pass filter, and an amplifier connected in series between an input and an output. A positive feedback loop is provided between the inp...	01/22/2002
6339299	Preheating circuit for detecting the filament temperature of fluorescent lamps A preheating circuit for a fluorescent lamp is provided. The preheating circuit includes a filament detecting circuit indirectly detecting a filament resistance in a fluorescent lamp by measuring a filament voltage and a filament current, a pulse generati...	01/15/2002
6329762	Discharge lamp driver circuit A driver circuit for a discharge lamp. A voltage source delivers a variable voltage to a constant current source which is connected to the lamp. The delivered voltage is varied to stabilize the supply of power to the lamp. The delivered voltage may be con...	12/11/2001
6311282	Method and apparatus for computing device with status display A portable computing device (e.g. a notebook type computer) also includes communications features including a pager receiver and a radio frequency modem which are supported by allowing the device, under application program control, to resume operation fro...	10/30/2001
6302585	Two Axis stage with arcuate surface bearings A two-axis stage assembly includes a generally planar horizontally mounted base plate; a stage plate generally parallel to the base plate, the stage plate having a first axis and second orthogonal axis; a set of spaced bearings depending from a bottom sur...	10/16/2001
6295360	Method and apparatus to defeat composite video signal protection A VGA (or other component video signal) output, e.g. from a computer or DVD player, is subject to protection so it is viewable on a VGA monitor. If the component video signal is converted to composite video (e.g. television) the resulting television pictu...	09/25/2001
6291970	Device for reverse polarization protection for a battery A device providing reverse polarization protection for a battery having both positive and negative terminals disposed at one end of the battery (e.g., a 9 volt "transistor radio" battery). The device is adapted for insertion between the battery terminals ...	09/18/2001
6285765	Method and apparatus for reducing effects of copy protection of composite video signal Copy protection for composite video signals is well known. Copy protection, while it does not prohibit making a copy per se, does render any copy (recording) of the video signal relatively unviewable so that the viewer's enjoyment of the picture is severe...	09/04/2001
6281873	Video line rate vertical scaler For conversion of component (VGA) video to television, a hardware efficient process implements line rate vertical scaling within a single integrated circuit without the support of external memory. Scaling and filtering are combined into a single process w...	08/28/2001
6272641	Computer network malicious code scanner method and apparatus A network scanner for security checking of application programs (e.g. Java applets or Active X controls) received over the Internet or an Intranet has both static (pre-run time) and dynamic (run time) scanning. Static scanning at the HTTP proxy server ide...	08/07/2001
6249113	Hand held sensor and display An improved hand-held sensor having a recessed LED array for indicating the location of an object behind a wall surface. The array displays in an arrow shaped format the location of the sensor relative to the object. The LED's can be offset both laterally...	06/19/2001
6248000	Polishing pad thinning to optically access a semiconductor wafer surface In a CMP method and apparatus an essentially circular polishing pad is mounted on a rotating platen. A region of the polishing pad is thinned to provide enhanced optical transparency. A portion of the platen underlying the thinned pad region is also trans...	06/19/2001
6198271	Electronic wall-stud sensor display A device for locating the edges of wall studs includes a comparison circuit connected to each of three capacitive elements. As the device is moved along a wall, the comparison circuit monitors the relative charge time associated with each capacitive eleme...	03/06/2001
6184198	Cleaning solution A cleaning solution formulation consisting of sodium bicarbonate, sodium carbonate and trisodium phosphate in aqueous solution is presented. Methods of the present invention provide for cleaning a wide variety of surfaces and materials with the cleaning s...	02/06/2001
6173385	Address generator for solid state disk drive An address generator for a solid state disk drive device includes a hardware multiplier logic circuit dedicated to computation of the address by multiplying a lock size by a logical block number, to obtain the start address for a memory array read or writ...	01/09/2001
6147535	Clock phase generator for controlling operation of a DRAM array A structure for handling the refresh of a DRAM array so that the refresh has no effect on the external access. A system clock signal initiates activation and deactivation of elements of the DRAM array using a sequencer which subdivides each system clock s...	11/14/2000
6126169	Air bearing operable in a vacuum region An air bearing is usable in a vacuum, by restricting the air escaping from the air bearing to the immediate vicinity of the air bearing. This is accomplished by one or more pump-out slots concentrically surrounding the air bearing orifice, and by concentr...	10/03/2000

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Attorney: Skjerven Morrill MacPherson LLP, Klivans; Norman R.