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Formation of a frontside contact on silicon-on-insulator substrate
A method of forming a frontside contact to a Silicon-On-Insulator (SOI) wafer is described. A connection polysilicon connects a silicon substrate layer to a...
Method for dynamically grouping limited range physical entities in a
Limited range physical entities located in a topological space are dynamically grouped by partitioning the space into grids for different functional domains, a...
Profile based method for deriving a temperature setpoint using a `delta`
based on cross-indexing a received...
A method for adjusting a plurality of controlled subsystems in a building or plant that facilitates cooperative energy usage with a utility provider. By...
Fail passive servo controller
The present invention provides apparatus, systems and methods for fail passive servo controllers. In accordance with an exemplary embodiment of the present...
Pressure proving gas valve
A pressure proving gas valve insures safe and efficient operation of a fuel-burning appliance by monitoring combustion air pressure and appropriately controlling...
Gas turbine engine with offset shroud
A gas turbine engine having a housing and an axially extending shaft journaled to the housing by two axially spaced apart bearings. The bearings are located...
Witness drain valve
For regulating engine exhaust and for environmental reasons, aircraft users are restricted from expelling engine fluids from engines onto airport ramps. All such...
Transducer packaging assembly for use in sensing unit subjected to high G
A transducer packaging assembly for use in a sensing unit subjected to high forces of acceleration includes a base having a cavity. A pressure sensitive...
Systems and method for determining proximity sensor characteristics
A system and method for determining characteristics of a proximity sensor. According to a preferred embodiment, the admittance of a proximity sensor/cable...
Vacuum chuck with integrated electrical testing points
A vacuum chuck with a conductive circuit embedded.onto it's surface wherein the chuck provides a reliable conductive path for electrical testing as well as...
Power conditioning substrate stiffener
Utilization of the "dead space" previously occupied by a metal stiffener in an integrated circuit package as a location for power conditioning and converting...
Process for producing a metal article
Described is the production of a metal article with fine metallurgical structure and texture by a process that includes forging and rolling and control of the...
Low stress seal
A low stress seal seals boundaries between rotor sections of a turbofan engine. The low stress seal includes rounded feet on the ends of legs, which rounded feet...
3D array of integrated cells for the sampling and detection of air bound
chemical and biological species
An integrated mesopump-sensor suitable for disposition in two- and three-dimensional arrays having small dimensions is disclosed. One mesopump is formed of an...
Aircraft ground support air conditioning unit with cooling turbine bypass
A system and method of supplying temperature-controlled air to an aircraft environmental control system during ground support operations that uses an air...
Task scheduling and message passing
Methods for modeling real-time periodic and aperiodic task scheduling and message passing within multitask systems. The methods utilize undelayed and single...
Focused laser light turbidity sensor
A turbidity sensor for measuring a full range of particulate content in a turbid environment, including a method thereof. The turbidity sensor includes a laser...
Closed-loop magnetoresistive current sensor system having active offset
A magnetoresistive sensor system having resistive elements changing in ohmic value in the presence of a magnetic field of a current being measured. The variant...
Tantalum sputtering target and method of manufacture
Described is a method for producing high purity tantalum, the high purity tantalum so produced and sputtering targets of high purity tantalum. The method...
Edge bead removal for spin-on materials containing low volatility solvents
fusing carbon dioxide cleaning
Methods are provided for removing edge beads from spin-on films. A spin-on film is removed from a region of a surface of a spin-coated substrate adjacent to an...
Face seal with internal drain
A face seal assembly with internal weep drain is disclosed for use in a turbo-machine, such as a gas turbine engine, for deterring passage of fluids, such as oil...
Radial snubber for vibration isolator
The present invention is directed to a radial snubber for use with a vibration isolator. The radial snubber cushions any impact of the aluminum insert of the...
Wide band digital phase locked loop (PLL) with a half-frequency output
A digital phase locked loop includes an automatic gain control that applies a gain to an input signal in order to provide a gain controlled signal. A 90.degree....
Method for controlling the deployment of jet engine thrust reversers
A system for controlling one or more jet engine thrust reversers includes a motor, a speed sensor, and a controller circuit. The motor is coupled to one or more...
Fault tolerant virtual VMEbus backplane design
This invention provides fault tolerant capability for a Versa Module Eurocards backplane system design for high reliability applications. An approach of...
Integrated inertial VMS navigation with inertial odometer correction
A system for determining accurate inertial navigation data of a vehicle while moving must compensate for the orientation differences between an upper body and a...
System, method, and software for non-iterative position estimation using
The typical global positioning system (GPS) estimates the three-dimensional, global position of a radio receiver and associated vehicle, such as an aircraft,...
Usage of second mode S address for TCAS broadcast interrogation messages
A method of a Traffic Alert and Collision Avoidance System (TCAS), includes the step of utilizing an MID Subfield for a TCAS Broadcast Interrogation Message that...
Apparatus and method for determining wind profiles and for predicting clear
A clear air turbulence (CAT) detection system performs a nowcast algorithm to detect CAT along the flight path of an aircraft. The aircraft stores computer...
Flip-flop with transmission gate in master latch
A method and apparatus for storing data in a master flip flop, comprising in combination receiving a clock signal having a first and second state, storing a...
CMOS ECL output buffer
An CMOS ECL output buffer has a CMOS differential amplifier. A CMOS reference circuit supplies a reference to a reference input of the CMOS differential...
Apparatus and method for using a backshell
A backshell for forming an electrical connection with a cabinet, the backshell including at least one electrical connector, a deflection arm coupled to one end...
An infrared heating unit which finds particular application in paper making equipment for coating drying and moisture profile control. In one embodiment, the...
Infrared heater with improved matrix
A method of forming a porous ceramic matrix for use in an infrared heating unit comprises the steps of mixing ceramic fibers, organic binders and particulate...
Gas burner regulating system
The invention relates to a regulating system for a gas burner. Regulating systems for gas burners are used for guiding a gas flow and a combustion air flow to...
Flight control module with integrated spoiler actuator control electronics
A flight control module with integrated actuator spoiler control electronics, where the flight control functions have been integrated into the integrated modular...
System and method of cleaning a recuperator in a microturbine power system
A microturbine power system and of a method of operating same comprising automatically detecting fouling of a recuperator and then cleaning the recuperator.
Alignment plate with matched thermal coefficient of expansion
Proper registration between layers of a laminated multi-layer interconnect can be achieved by precisely dimensioning the alignment plate, selecting the materials...
Hot water heater stacking reduction control
A control system for a hot water heater includes a reservoir for containing hot water, a cold water feed for the reservoir, a hot water exit for the reservoir...
Method and apparatus for detecting a terrain-masked helicopter
A robot sentry with a scanning laser observes the sky just above the geographic skyline looking for a vertical airflow pattern characteristic of the rotor inflow...
Permittivity measurement of thin films
Measurement of the permittivity of thin films is facilitated through the use of a short cylindrical metal cavity containing parallel plates between which a...
Bulk amorphous metal magnetic components for electric motors
A high efficiency electric motor has a generally polyhedrally shaped bulk amorphous metal magnetic component in which a plurality of layers of amorphous metal...
Lightweight infrared camera
A lightweight camera or detector that does not require a shutter, chopper or thermoelectric stabilizer. Lightweight materials and lightweight packaging...
Metamorphic long wavelength high-speed photodiode
A method and apparatus for fabricating a metamorphic long-wavelength, high-speed photodiode, wherein a buffer layer matching a substrate lattice constant is...
Actuator drive and display mechanism
The present invention relates to a mechanism for rotatably coupling two coaxial shafts while allowing relative movement of the shafts in the X, Y and Z...
Integrated temperature and humidity controller with priority for humidity
A controller for a climate control system has a humidity temperature sensor as well as a dry-bulb temperature sensor. A humidity temperature value is used in...
Zero TCF thin film resonator
A multi-material resonant thin film beam for a micromechanical sensor having a zero temperature coefficient of frequency (TCF) which is the resonant frequency...
Surge bleed valve fault detection
Improved methods and systems are provided for detecting surge bleed valve faults and analyzing the performance of surge bleed valves in gas turbines. The method...