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Patent # Description
US-6,472,902 Semiconductor device
A semiconductor device is provided having an internal circuit in which input data is gated and supplied to the internal circuit according to an internal control...
US-6,472,901 Method for in-line testing of flip-chip semiconductor assemblies
Flip-chip semiconductor assemblies, each including integrated circuit (IC) dice and an associated substrate, are electrically tested before encapsulation using...
US-6,472,900 Efficient device debug system
A method and system providing for electrical testing of an integrated semiconductor substrate having at least two signal processing layers. The substrate may be...
US-6,472,899 Method for determining a load line based variable voltage input for an integrated circuit product
The present invention provides a method or process for determining a load line based variable voltage input for an Integrated Circuit (IC) product. More...
US-6,472,898 Method and system for testing a semiconductor memory device
A method and system for testing a semiconductor memory device applies defined test voltages to a semiconductor memory device in a manner that minimizes a time...
US-6,472,897 Circuit and method for trimming integrated circuits
A programmable after-package, on-chip reference voltage trim circuit for an integrated circuit having a plurality of programmable trim cells generating a...
US-6,472,895 Method and system for adapting burn-in boards to multiple burn-in systems
A method and system for providing an adapter system for use with a first burn-in system is disclosed. The first burn-in system includes a heating chamber and a...
US-6,472,894 Apparatus for testing bumped die
A method and apparatus for testing unpackaged semiconductor dice having raised contact locations are disclosed. The apparatus uses a temporary interconnect wafer...
US-6,472,893 Test socket and methods
A test socket for testing a packaged semiconductor device. The test socket includes a test substrate, at least one support member, and at least one securing...
US-6,472,892 Configuration for testing chips using a printed circuit board
A configuration for testing chips includes a printed circuit board having conductive probe needles to electrically connect the printed circuit board to chips and...
US-6,472,891 Method and apparatus for testing semiconductor packages without damage
The accuracy of electrical tests on semiconductor packages is increased and package damage avoided by providing vacuum sensing means to determine proper seating...
US-6,472,890 Method for producing a contact structure
A method of producing a contact structure for electrical communication with a contact target. The method includes the steps of providing a silicon substrate cut...
US-6,472,889 Apparatus and method for producing an ion channel microprobe
A noncontact method and apparatus for testing electrical circuitry which provides large improvements in both resolution and speed. The attributes of noncontact,...
US-6,472,888 Bioelectrical impedance measuring apparatus constructed by one-chip integrated circuit
The bioelectrical impedance measuring apparatus according to the present invention employs a microcomputer having almost all the functions necessary for the...
US-6,472,887 Capacitive sensor for sensing the amount of material in a container
One embodiment of the invention is a capacitive sensor for sensing the amount of material in a container. This embodiment includes an oscillator that generates...
US-6,472,886 Method of calculating parasitic capacitance between electrodes of integrated circuits
A method of calculating capacitance between conductive patterns of an integrated circuit (IC) by defining a mesh of nodes in a space between at least two...
US-6,472,885 Method and apparatus for measuring and characterizing the frequency dependent electrical properties of...
A method and apparatus for measuring complex permittivity of dielectric materials in solid, liquid, or gas form. The apparatus is includes a TEM or quasi-TEM...
US-6,472,884 Adapter circuit system for a measuring device
An adapter circuit system for an electrically powered measuring device with two ports constituting a two-wire interface for connecting a dual-conductor cable...
US-6,472,883 Detection of surface anomalies in elongate conductive members by pulse propagation analysis
Pulse propagation analysis to ascertain whether and anomaly such as surface corrosion exists on a section of conductive member such as pipe. Anomalies such as...
US-6,472,882 Fail-safe electronic circuit breaker
The fail-safe electronic circuit breaker includes a test circuit connected to a fault detection circuit. The test circuit selectively generates a simulated...
US-6,472,881 Liquid metal ion source and method for measuring flow impedance of liquid metal ion source
A liquid metal ion source has an emitter electrode for emitting ions, an extraction electrode, proximate the emitter electrode for generating a focused electric...
US-6,472,880 Accurate voltage measurement system using relay isolated circuits
A system for measuring voltages of batteries in a battery pack. The system has an isolation circuit operative to isolate a voltage for each of the batteries. A...
US-6,472,879 Method for diagnosing a battery of a vehicle and a system thereof
When charging of a battery is started, a voltage of each module being charged is detected, and then an average voltage and at least one of a maximum voltage and...
US-6,472,878 Current measuring element with a hall sensor
A current measuring element comprising a current carrying conductor having the shape of a flat rail in an insulating housing and a hall sensor which is arranged...
US-6,472,877 Method and apparatus for measuring the opening time of a medium voltage air circuit breaker
A circuit and method for measuring the switch opening time, in cycles, of a medium voltage air circuit breaker. The circuit senses DC current feeding the trip...
US-6,472,876 Sensing and balancing currents in a ballast dimming circuit
The present invention is directed to accurately sensing and regulating lamp current, and thus lamp output, over a range of lamp outputs, down to and below 10% of...
US-6,472,875 Method for detecting a motor vehicle battery failure
A process for the detection of a defect of an automotive vehicle battery includes analyzing the time dependence of the discharge voltage across the terminals of...
US-6,472,874 EPR imaging device using microwave bridge translator
A device is described which permits the acquisition of Electron Paramagnetic Resonance Images without employing additional hardware for generation of magnetic...
US-6,472,873 Method and apparatus for capturing magnetic resonance signals, recording medium and system for magnetic...
The present invention provides selective excitation of a slab by RF signals of frequency compensated for in response to the error in the gradient magnetic field...
US-6,472,872 Real-time shimming of polarizing field in magnetic resonance system
An fMRI scan is performed with an MRI system in which a series of single shot EPI pulse sequences are performed to acquire a series of images. A shim navigator...
US-6,472,871 Magnetic resonance spectroscopic imaging with a variable repetition time in conjunction with a variable data...
A method of generating a spectroscopic image using magnetic resonance includes obtaining spectroscopic data from voxels within the volume of interest of the...
US-6,472,870 Radiofrequency irradiation schemes and methods of design and display for use in performing nuclear magnetic...
For an NMR (nuclear magnetic resonance) experiment exact quantum-mechanical solutions have been obtained for the effect of RF (radiofrequency) pulses of constant...
US-6,472,869 Diode laser-pumped magnetometer
A diode laser-pumped magnetometer includes a diode laser that emits a polarized pumping laser beam with resonant optical radiation; and a K-cell through which a...
US-6,472,868 Magnetic impedance element having at least two thin film-magnetic cores
A magnetic impedance element including a substrate made of a non-magnetic material, a thin-film magnetic core formed on said substrate, and first and second...
US-6,472,867 Target for use in magnetron sputtering of nickel for forming metallization films having consistent uniformity...
Improved targets for use in DC magnetron sputtering of nickel or like ferromagnetic face-centered cubic (FCC) metals are included for forming metallization films...
US-6,472,866 Head stack assembly (HSA) with shunt testing access port
A system for testing the read/write head elements of a head stack assembly ("HSA"). A completed HSA is placed in the test apparatus. Test probes are aligned and...
US-6,472,865 Magnetic rotational position sensor having dual magnetic flux sensor capabilities
A magnetic rotational position sensor for sensing each rotational position of a control shaft about a first axis over a definable range of rotation. The position...
US-6,472,864 Motion and tilt angle sensor
A mass moves within a bore defined in a body. During normal operation the axis of the bore is approximately vertical, so that the mass rests at the bottom. A...
US-6,472,863 Magnetic permeability position detector
A position, speed and displacement speed detector for a continuous reference element (2) is described that is constituted by a pair of polar search elements (1A,...
US-6,472,862 Programmable voltage divider and method for testing the impedance of a programmable element
A programmable voltage divider has normal and test modes of operation. The divider includes first and second supply nodes, a divider node that provides a data...
US-6,472,861 Peak detector
A peak detector comprising of a comparator, an input-trigger device, a gate-width control block, an AND gate, a first current source, a second current source, a...
US-6,472,860 Compensated RF power detector
A compensated RF power detector utilized in power control circuits for preventing power amplifier saturation. A power amplifier uses a power control circuit to...
US-6,472,859 Capacitively coupled electrical ground detection circuit
An electrical ground detection circuit 10 having a first capacitor 18 and a second capacitor 20 which selectively receives a certain amount of voltage. The...
US-6,472,858 Low voltage, fast settling precision current mirrors
Low voltage, fast settling precision current mirrors and methods. The precision current mirror have first and second current mirrors, each having an input to be...
US-6,472,857 Very low quiescent current regulator and method of using
Voltage regulator (10) provides current sense comparator (18) to detect the normal and standby modes of operation for voltage regulator (10). During a normal...
US-6,472,856 Bounded power supply voltage positioning
A voltage positioning technique allows a power supply controller to more fully exploit active voltage positioning as a way of maintaining supply voltage within...
US-6,472,855 Voltage regulator circuit with transient generator to respond to load current changes and method therefor
A regulator circuit (10) includes an amplifier (61) having an input for sensing an output signal (V.sub.S, I.sub.LOAD) of the regulator circuit and an output...
US-6,472,854 Battery operated power circuit and driving method thereof
An FET 21 is connected in parallel to a series circuit of a switching device 13 and an inductor 12 between an input terminal 11a and an output terminal 11b,...
US-6,472,853 Apparatus and method for limiting leakage to ground current while optimizing output of a power supply adaptable...
A method and apparatus for regulating a DC power supply, adaptable for use with a motion sensor switch, by limiting the leakage to ground current of the power...
US-6,472,852 Resonant buck-type voltage converter using swinging inductance
A swinging inductor is used to achieve zero-current switching in a resonant buck-type voltage converter. The swinging inductor exhibits the property of a...
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