Country
Full text data for US,EP,CN
Type
Legal Validity
Legal Status
Filing Date
Publication Date
Inventor
Assignee
Click to expand
IPC(Section)
IPC(Class)
IPC(Subclass)
IPC(Group)
IPC(Subgroup)
Agent
Agency
Claims Number
Figures Number
Citation Number of Times
Assignee Number
No. Publication Number Title Publication/Patent Number Publication/Patent Number Publication Date Publication Date
Application Number Application Number Filing Date Filing Date
Inventor Inventor Assignee Assignee IPC IPC
1 US10564380B2
Positional alignment mechanism for a lens assembly
Publication/Patent Number: US10564380B2 Publication Date: 2020-02-18 Application Number: 15/202,276 Filing Date: 2016-07-05 Inventor: Po, Li Chiao   Assignee: RAYTHEON COMPANY   IPC: G02B7/00 Abstract: An alignment mechanism to position and focus a lens assembly includes a housing and an eccentric shaft supported by the housing. The eccentric shaft is configured to rotate with respect to the housing. The alignment mechanism further includes a lens assembly having a bracket coupled to the eccentric shaft, and an actuator assembly, coupled to the bracket of the lens assembly and configured to rotate the lens assembly about the eccentric shaft. The alignment mechanism further includes at least one thrust drive nut mounted on the eccentric shaft, the at least one thrust drive nut being configured to move the eccentric shaft and the bracket of the lens assembly in a z-axis direction. An alignment mechanism to position and focus a lens assembly includes a housing and an eccentric shaft supported by the housing. The eccentric shaft is configured to rotate with respect to the housing. The alignment mechanism further includes a lens assembly having a bracket ...More ...Less
2 US10637580B2
Balanced optical receivers and methods for detecting free-space optical communication signals
Publication/Patent Number: US10637580B2 Publication Date: 2020-04-28 Application Number: 16/367,574 Filing Date: 2019-03-28 Inventor: Dolgin, Benjamin P.   Graceffo, Gary M.   Kowalevicz, Andrew   Assignee: RAYTHEON COMPANY   IPC: H04B10/00 Abstract: Optical receivers and methods for balanced signal detection using an optical resonator. An example of an optical receiver includes a polarizing beamsplitter that receives a free-space optical signal, a first detector positioned to receive the free-space optical signal with the first polarization, an alignment system configured to rotate either the optical receiver about the optical axis or a polarization of the free-space optical signal, a faraday rotator configured to rotate the polarization of the free-space optical signal, an optical resonator that receives the free-space optical signal from the faraday rotator and accumulates resonant optical signal energy, the optical resonator configured to transmit first output optical signal energy and reject second output optical signal energy, the optical resonator being configured to convert a modulation of the free-space optical signal into an intensity modulation of the first and second output optical signal energies, a second detector that receives the first output optical signal energy and detects the intensity modulation of the first output optical signal energy, and a third detector that receives the second output optical signal energy. Optical receivers and methods for balanced signal detection using an optical resonator. An example of an optical receiver includes a polarizing beamsplitter that receives a free-space optical signal, a first detector positioned to receive the free-space optical signal with the ...More ...Less
3 US10631405B1
Additive manufacturing technology (AMT) inverted pad interface
Publication/Patent Number: US10631405B1 Publication Date: 2020-04-21 Application Number: 16/576,895 Filing Date: 2019-09-20 Inventor: Benedict, James E.   Deley, Timothy David   Sikina, Thomas V.   Souliotis, Michael Ryan   Southworth, Andrew R.   Wilder, Kevin   Assignee: RAYTHEON COMPANY   IPC: H05K1/11 Abstract: A multilayer printed circuit board includes a first dielectric layer and a second dielectric layer, each layer having a top surface and a bottom surface. The first dielectric layer is positioned above the second dielectric layer with the bottom surface of the first dielectric layer facing the top surface of the second dielectric layer. The top surface of the second dielectric layer has a conductive trace. The second dielectric layer has a through-hole that extends through the conductive trace. The multilayer printed circuit board includes an inverted pad interface structure including an inverted pad provided on the bottom surface of the first dielectric layer, a first solder layer provided on a surface of the inverted pad, a second solder layer provided on the conductive trace, and a copper wire positioned within the through-hole to provide the vertical and electrical connection with the conductive trace. A multilayer printed circuit board includes a first dielectric layer and a second dielectric layer, each layer having a top surface and a bottom surface. The first dielectric layer is positioned above the second dielectric layer with the bottom surface of the first dielectric ...More ...Less
4 US10630322B2
High power signal communications within a power limit
Publication/Patent Number: US10630322B2 Publication Date: 2020-04-21 Application Number: 15/974,446 Filing Date: 2018-05-08 Inventor: Marr, Harry B.   Thompson, Daniel   Assignee: RAYTHEON COMPANY   IPC: H04B1/04 Abstract: An RF communication system includes a wideband receiver for receiving an RF signal; a wideband receive signal path for processing the received RF signal, a wideband transmit signal path for processing a transmit RF signal to be transmitted; a wideband transmitter for transmitting the transmit RF signal at a selected transmit frequency and a selected transmit polarization; and a processor for controlling a plurality of beam forming circuits for performing signal processing and waveform generation, wherein the processor maximizes an effective radiated power (ERP) of the communication system within a predetermined ERP limit by switching the wideband transmitter between at least one of multiple transmit frequencies and multiple transmit polarizations to form an aggregate, time-averaged signal as the transmit RF signal. An RF communication system includes a wideband receiver for receiving an RF signal; a wideband receive signal path for processing the received RF signal, a wideband transmit signal path for processing a transmit RF signal to be transmitted; a wideband transmitter for ...More ...Less
5 US10527499B2
In-situ thin film based temperature sensing for high temperature uniformity and high rate of temperature change thermal reference sources
Publication/Patent Number: US10527499B2 Publication Date: 2020-01-07 Application Number: 16/170,467 Filing Date: 2018-10-25 Inventor: Chow, James R.   Townsend, Carl W.   Ketola, Kurt S.   Assignee: RAYTHEON COMPANY   IPC: G01K7/02 Abstract: A thin-film device for generating a blackbody spectrum is disclosed. The device includes first layer configured to generate heat in response to an applied voltage and a second layer configured to generate the blackbody radiation spectrum in response to the heat from the first layer. A thermocouple is disposed between the first layer and the second layer for measuring a temperature at the second layer. The thermocouple measures temperature at the second layer in order to control temperature at the second layer. The thermocouple can be a copper-carbon nanotube thermocouple. A thin-film device for generating a blackbody spectrum is disclosed. The device includes first layer configured to generate heat in response to an applied voltage and a second layer configured to generate the blackbody radiation spectrum in response to the heat from the first ...More ...Less
6 US2020036398A1
SINGLE CLOCK TIMESHARED CHANNELIZER CIRCUIT
Publication/Patent Number: US2020036398A1 Publication Date: 2020-01-30 Application Number: 16/043,684 Filing Date: 2018-07-24 Inventor: Scott, Alexander   Thompson, Daniel   Marr, Harry B.   Assignee: RAYTHEON COMPANY   IPC: H04B1/00 Abstract: An RF detection system includes a signal routing processor and a dynamically reconfigurable channelizer. The signal routing processor selects an operating mode of the RF detection system among a plurality of different operating mode. The dynamically reconfigurable channelizer invokes the selected operating mode in response to a routing control signal output by the signal routing processor. The dynamically reconfigurable channelizer includes a plurality of signal processing resources and a crossbar switching circuit. The crossbar switching circuit includes a signal input to receive an input signal and a signal output to output a final processed signal indicating a detected object. The crossbar switching circuit selectively establishes a plurality of different signal routing paths that connect the plurality of signal processing resources to the signal input and signal output. An RF detection system includes a signal routing processor and a dynamically reconfigurable channelizer. The signal routing processor selects an operating mode of the RF detection system among a plurality of different operating mode. The dynamically reconfigurable channelizer ...More ...Less
7 US2020035539A1
DIRECT BOND METHOD PROVIDING THERMAL EXPANSION MATCHED DEVICES
Publication/Patent Number: US2020035539A1 Publication Date: 2020-01-30 Application Number: 16/592,556 Filing Date: 2019-10-03 Inventor: Drab, John J.   Assignee: RAYTHEON COMPANY   IPC: H01L21/683 Abstract: A method of transferring an integrated circuit (IC) onto an alternative substrate is provided at a wafer level to enable coefficient of thermal expansion (CTE) matching for a circuit layer to a different material. The method is executable relative to a wafer with a circuit layer, a first major surface, a second major surface opposite the first major surface, and a substrate affixed to the first major surface. The method includes temporarily bonding a handle to the second major surface, removing a majority of the substrate to expose the first major surface and bonding a second substrate to the first major surface with deposited bonding material. A method of transferring an integrated circuit (IC) onto an alternative substrate is provided at a wafer level to enable coefficient of thermal expansion (CTE) matching for a circuit layer to a different material. The method is executable relative to a wafer with a circuit ...More ...Less
8 US2020049861A1
PHASE GRADIENT NANOCOMPOSITE WINDOW FABRICATION AND METHOD OF FABRICATING DURABLE OPTICAL WINDOWS
Publication/Patent Number: US2020049861A1 Publication Date: 2020-02-13 Application Number: 16/660,481 Filing Date: 2019-10-22 Inventor: Trent, Catherine   Frazier, Gary A.   Assignee: RAYTHEON COMPANY   IPC: G02B1/11 Abstract: A unitary radome layer assembly is provided and includes a first nanocomposite formulation and a second nanocomposite formulation. The first and second nanocomposite formulations are provided together in a unitary radome layer with respective distribution gradients.
9 US10673119B2
Highly directive electromagnetic coupler with electrically large conductor
Publication/Patent Number: US10673119B2 Publication Date: 2020-06-02 Application Number: 15/789,288 Filing Date: 2017-10-20 Inventor: Stewart, Kelly Ryian   Salem, Matthew   Wargo, Matthew J.   Anderson, Joseph M.   Assignee: RAYTHEON COMPANY   IPC: H01P5/18 Abstract: A directional coupler includes a substrate, an output line formed on a top of the substrate, and an input line formed on the top of the substrate and including a transmission region. The coupler also includes a lower input line formed on a bottom of the substrate below at least a portion of the transmission region, and one or more vias passing through the substrate and electrically coupling the input line and the lower input line. A directional coupler includes a substrate, an output line formed on a top of the substrate, and an input line formed on the top of the substrate and including a transmission region. The coupler also includes a lower input line formed on a bottom of the substrate below at least ...More ...Less
10 US10672826B2
Segmented channel stop grid for crosstalk mitigation in visible imaging arrays
Publication/Patent Number: US10672826B2 Publication Date: 2020-06-02 Application Number: 15/955,820 Filing Date: 2018-04-18 Inventor: Kilcoyne, Sean P.   Vampola, John L.   Paloczi, George   Assignee: RAYTHEON COMPANY   IPC: H01L27/146 Abstract: An imaging system includes a focal plane array comprising a first row of photodetectors, a second row of photodetectors adjacent to the first row of photodetectors, and a segmented isolation grid including portions disposed between photodetectors in the first row of photodetectors and photodetectors in the second row of photodetectors. An imaging system includes a focal plane array comprising a first row of photodetectors, a second row of photodetectors adjacent to the first row of photodetectors, and a segmented isolation grid including portions disposed between photodetectors in the first row of ...More ...Less
11 US10686533B2
Balanced optical receivers and methods for detecting optical communication signals
Publication/Patent Number: US10686533B2 Publication Date: 2020-06-16 Application Number: 16/367,567 Filing Date: 2019-03-28 Inventor: Dolgin, Benjamin P.   Graceffo, Gary M.   Kowalevicz, Andrew   Assignee: RAYTHEON COMPANY   IPC: H04B10/06 Abstract: Optical receivers and methods for balanced signal detection using an optical resonator. In one example, an optical receiver includes an optical resonator that receives an optical signal, accumulates resonant optical signal energy, and emits first output optical signal energy from a first output and second output optical signal energy from the second output. In response to a modulation of the optical signal, the optical resonator is configured to disrupt the first and second output optical signal energies to convert the modulation of the optical signal into an intensity modulation of the first and second output optical signal energies. The optical receiver includes a first detector that receives the first output optical signal energy and detects the intensity modulation of the first output optical signal energy, and a second detector that receives the second output optical signal energy and detects the intensity modulation of the second output optical signal energy. Optical receivers and methods for balanced signal detection using an optical resonator. In one example, an optical receiver includes an optical resonator that receives an optical signal, accumulates resonant optical signal energy, and emits first output optical signal energy ...More ...Less
12 US10620175B2
Apparatus and processes for photosynthetic activity measurement and mapping
Publication/Patent Number: US10620175B2 Publication Date: 2020-04-14 Application Number: 15/153,789 Filing Date: 2016-05-13 Inventor: Young, Darrell L.   Dekeyrel, Charlotte   Lewis, Michael Henry   Assignee: RAYTHEON COMPANY   IPC: G01N33/00 Abstract: A method for determining chlorophyll content of a plant comprises capturing a first image comprising light transmitted through a leaf of a plant; capturing a second image comprising light reflected from the leaf of the plant; estimating, from a plurality of pixels in the first image, a transmissive chlorophyll concentration value of the leaf; estimating a reflectance chlorophyll concentration value for the leaf from a plurality of pixels in the second image using bidirectional reflectance parameters for which a variance of the reflectance chlorophyll concentration value across the plurality of pixels in the second image is reduced; and determining an estimated chlorophyll concentration value for the plant based at least on the transmissive chlorophyll concentration value and the reflectance chlorophyll concentration value. A method for determining chlorophyll content of a plant comprises capturing a first image comprising light transmitted through a leaf of a plant; capturing a second image comprising light reflected from the leaf of the plant; estimating, from a plurality of pixels in the first ...More ...Less
13 US2020066781A1
PER-PIXEL DETECTOR BIAS CONTROL
Publication/Patent Number: US2020066781A1 Publication Date: 2020-02-27 Application Number: 16/549,069 Filing Date: 2019-08-23 Inventor: Beuville, Eric J.   Harris, Micky   Boesch, Ryan   Boemler, Christian M.   Assignee: RAYTHEON COMPANY   IPC: H01L27/146 Abstract: A pixel includes a photo-diode, an integration capacitor arranged to receive a photo current from the photo-diode and to store charge developed from the photo current; and an injection transistor disposed between the photo-diode and the integration capacitor that controls flow of the photo current from the photo-diode to the integration capacitor, the injection transistor having a gate, a source electrically coupled to the photo-diode at a first node, and a drain electrically coupled to the integration capacitor. The injection transistor is a silicon-oxide-nitride-oxide-silicon (SONOS) FET having its gate set to a SONOS gate voltage to control a detector bias voltage of the photo-diode at the first node. A pixel includes a photo-diode, an integration capacitor arranged to receive a photo current from the photo-diode and to store charge developed from the photo current; and an injection transistor disposed between the photo-diode and the integration capacitor that controls flow ...More ...Less
14 US2020112698A1
PUMPED LARGE FULL WELL PIXEL
Publication/Patent Number: US2020112698A1 Publication Date: 2020-04-09 Application Number: 16/592,051 Filing Date: 2019-10-03 Inventor: Boemler, Christian M.   Assignee: RAYTHEON COMPANY   IPC: H04N5/355 Abstract: A pixel includes an integration capacitor coupled between a system voltage and a pump voltage source and having a first side and a second side. The pixel can be operated to have a large full well by: storing charge from a photo-current source in the integration capacitor; reading out the integration capacitor; resetting the integration capacitor by connecting the capacitor to a column line through a select transistor; while resetting, setting the pump voltage source to the system voltage; and after resetting, setting the pump voltage to ground to create a negative voltage between the integration capacitor and column line. A pixel includes an integration capacitor coupled between a system voltage and a pump voltage source and having a first side and a second side. The pixel can be operated to have a large full well by: storing charge from a photo-current source in the integration capacitor; ...More ...Less
15 US10679888B2
Foundry-agnostic post-processing method for a wafer
Publication/Patent Number: US10679888B2 Publication Date: 2020-06-09 Application Number: 16/403,317 Filing Date: 2019-05-03 Inventor: Teshiba, Mary A.   Drab, John J.   Assignee: RAYTHEON COMPANY   IPC: H01L21/762 Abstract: A foundry-agnostic post-processing method for a wafer is provided. The wafer includes an active surface, a substrate and an intermediate layer interposed between the active surface and the substrate. The method includes removing the wafer from an output yield of a wafer processing foundry, thinning the substrate to the intermediate layer or within microns of the intermediate layer to expose a new surface and bonding the new surface to an alternate material substrate which provides for enhanced device performance as compared to the substrate. A foundry-agnostic post-processing method for a wafer is provided. The wafer includes an active surface, a substrate and an intermediate layer interposed between the active surface and the substrate. The method includes removing the wafer from an output yield of a wafer ...More ...Less
16 US10527500B2
In-situ thin film based temperature sensing for high temperature uniformity and high rate of temperature change thermal reference sources
Publication/Patent Number: US10527500B2 Publication Date: 2020-01-07 Application Number: 16/170,475 Filing Date: 2018-10-25 Inventor: Chow, James R.   Townsend, Carl W.   Ketola, Kurt S.   Assignee: RAYTHEON COMPANY   IPC: G01K7/02 Abstract: A thin-film device for generating a blackbody spectrum is disclosed. The device includes first layer configured to generate heat in response to an applied voltage and a second layer configured to generate the blackbody radiation spectrum in response to the heat from the first layer. A thermocouple is disposed between the first layer and the second layer for measuring a temperature at the second layer. The thermocouple measures temperature at the second layer in order to control temperature at the second layer. The thermocouple can be a copper-carbon nanotube thermocouple. A thin-film device for generating a blackbody spectrum is disclosed. The device includes first layer configured to generate heat in response to an applied voltage and a second layer configured to generate the blackbody radiation spectrum in response to the heat from the first ...More ...Less
17 US10616461B2
Broadband optical systems and methods
Publication/Patent Number: US10616461B2 Publication Date: 2020-04-07 Application Number: 15/496,345 Filing Date: 2017-04-25 Inventor: Zywicki, Randall W.   Assignee: RAYTHEON COMPANY   IPC: G02B5/20 Abstract: Aspects and examples are generally directed to broadband optical systems and methods for collecting a wide spectral range of electromagnetic radiation with a single window optical assembly. In one example, a broadband optical system includes a segmented window positioned to receive electromagnetic radiation, the segmented window including at least a first segment formed from a first material and a second segment formed from a second material, the first segment being configured to transmit a first spectral band of the electromagnetic radiation along an optical path and the second segment being configured to transmit a second spectral band of the electromagnetic radiation along the optical path. The broadband optical system may include an optical de-multiplexer configured to spatially separate the first and second spectral bands, and foreoptics interposed between the segmented window and the optical de-multiplexer to direct the electromagnetic radiation from the segmented window to the optical de-multiplexer. Aspects and examples are generally directed to broadband optical systems and methods for collecting a wide spectral range of electromagnetic radiation with a single window optical assembly. In one example, a broadband optical system includes a segmented window positioned to ...More ...Less
18 US2020026021A1
BORESIGHT ALIGNMENT MODULE
Publication/Patent Number: US2020026021A1 Publication Date: 2020-01-23 Application Number: 16/171,790 Filing Date: 2018-10-26 Inventor: Palomino, Steven C.   Assignee: RAYTHEON COMPANY   IPC: G02B7/00 Abstract: A boresight module includes a housing including an input window and an exit window. The boresight module further includes a lateral transfer hollow, dichroic beam splitter, retro-reflector (LTHSR) assembly supported by the housing. The LTHSR assembly includes a dichroic beam splitter. The boresight module further includes a corner cube coupled to the housing and a collimator including a collimator housing coupled to the housing and a target supported by the collimator housing. The target is configured to receive electromagnetic radiation from the input window to emit electromagnetic radiation through the exit window. A method of aligning a device with a boresight alignment module is further disclosed. A boresight module includes a housing including an input window and an exit window. The boresight module further includes a lateral transfer hollow, dichroic beam splitter, retro-reflector (LTHSR) assembly supported by the housing. The LTHSR assembly includes a dichroic beam ...More ...Less