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Results 1626–1650 of 2,457

Parallel phase-sensitive three-dimensional imaging camera

Patent • #7,274,815. An apparatus is disclosed for generating a three-dimensional (3-D) image of a scene illuminated by a pulsed light source (e.g. a laser or light-emitting diode). The apparatus, referred to as a phase-sensitive 3-D imaging camera utilizes a two-dimensional (2-D) array of photodetectors to receive light that is reflected or...

Part position recognition for printing electrical or optical interconnects

Patent • #12094173. A method for direct write printing of an electrical or optical element based upon a generated master actual position map and a master expected position map is disclosed. The generated master actual position map is generated by efficiently stitching together a number of images using a hierarchical stitching process....

Particle and chemical control using tunnel flow

Patent • #9,759,912. An apparatus for contaminant control, having: a first optical assembly including: a first light homogenizer tunnel with: a first end connected to an extreme ultra-violet light source, a second end in communication with a destination chamber, a first enclosed space, and, a first gas input arranged to introduce a...

Particle control near reticle and optics using showerhead

Patent • #9,244,368. A method and an apparatus to protect a reticle against particles and chemicals in an actinic EUV reticle inspection tool are presented. The method and apparatus utilizes a pair of porous metal diffusers in the form of showerheads to provide a continual flow of clean gas. The main showerhead...

Passive absolute age and temperature history sensor

Patent • #9,182,436. A passive sensor for historic age and temperature sensing, including a first member formed of a first material, the first material being either a metal or a semiconductor material and a second member formed of a second material, the second material being either a metal or a semiconductor material....

Passive high-power-density grid interface device

Patent • #10,886,841. A hybrid switched capacitor power converter for high-power applications is provided. The converter has a transistor-switched input-stage boost converter followed by a capacitor-and-diode ladder circuit. The converter is adapted to produce an output voltage of at least 5 kV at a power level of at least 0.5 kW. The...

Passive hybrid sensing tag with flexible substrate saw device

Patent • #8,339,219. The integration of surface acoustic wave (SAW) filters, microfabricated transmission lines, and sensors onto polymer substrates in order to enable a passive wireless sensor platform is described herein. Incident microwave pulses on an integrated antenna are converted to an acoustic wave via a SAW filter and transmitted to an...

Passive injection control for microfluidic systems

Patent • #6,833,068. Apparatus for eliminating siphoning, "dead" regions, and fluid concentration gradients in microscale analytical devices. In its most basic embodiment, the present invention affords passive injection control for both electric field-driven and pressure-driven systems by providing additional fluid flow channels or auxiliary channels disposed on either side of a sample...

Passive levitation in alternating magnetic fields

Patent • #7,548,004. Stable levitation of an object in an alternating magnetic field can be achieved by eliminating coupling between the rotational and translational forces acting on the object. Stable levitation can also be achieved by varying the coupling between the rotational and translational forces acting on the object, while maintaining one...

Passive levitation in alternating magnetic fields

Patent • #7,795,770. Stable levitation of an object in an alternating magnetic field can be achieved by eliminating coupling between the rotational and translational forces acting on the object. Stable levitation can also be achieved by varying the coupling between the rotational and translational forces acting on the object, while maintaining one...

Passive millimeter wave radiometer system for calibration of infrared cameras

Patent • #10,876,898. An apparatus for accurate measurement of surface and sub-surface temperatures of an object from a distance without contacting the object is provided. Illustrative embodiments provide for simultaneous measurement of thermal emission and emissivity in the mm-wave regime thereby enabling real-time non-contact measurement of emissivity. Corrected temperatures for the object...

Passive mm Wave Radiometer System

Featured Opportunity • Test vacuum chamber furnace with receiver system and parabolic mirror installed All objects with temperatures above 0 K emit electromagnetic waves or radiation. In theory, the temperature of an object can be calculated by measuring the intensity of this emitted radiation. However, emissivity variation limits the accuracy of techniques relying...

Passive radiative cooling of a body

Patent • #10,173,792. A metallic waveguide tuned to an infrared region of interest provides spectral and spatial control over emitted/absorbed thermal radiation. The ratio of the depth of the waveguide to the smallest lateral dimension thereof is such that that the lateral dimension provides spectral selectivity and that the waveguide is deep...

Passive thermo-optic feedback for robust athermal photonic systems

Patent • #9,063,354. Thermal control devices, photonic systems and methods of stabilizing a temperature of a photonic system are provided. A thermal control device thermally coupled to a substrate includes a waveguide for receiving light, an absorption element optically coupled to the waveguide for converting the received light to heat and an...

Passively pumped, polycrystalline ceramic high and ultra-high vacuum chambers

Patent • #11766651. A sealed, passively pumped, polycrystalline ceramic vacuum chamber and method for fabricating the chamber are disclosed. The body of the vacuum chamber is made from a polycrystalline ceramic, for example, alumina. The vacuum chamber includes one or more windows made from a transparent ceramic, for example, sapphire, to accommodate...

Pattern generator circuit for high-speed pulse generation

Patent • #10,547,805. A pattern generator circuit includes a high-speed shift register and a non-overlap generator. The shift register is programmable to produce a pulse train of pulses having a defined pulse duration and a defined pulse-to-pulse interval. The non-overlap generator deserializes the incoming pulse train, and it produces a time-separated reset...

PC board mount corrosion sensitive sensor

Patent • #9,291,543. The present invention relates to surface mount structures including a capacitive element or a resistive element, where the element has a property that is responsive to an environmental condition. In particular examples, the structure can be optionally coupled to a printed circuit board. Other apparatuses, surface mountable structures, and...

PC Board Mountable Corrosion Sensors

Featured Opportunity • Sensors to identify and assess the pervasive and expensive problem of corrosion in applications ranging from construction to microelectronics. A line of corrosion sensors of various widths and thicknesses soldered to a PC board. Sandia’s micro sensors are designed and fabricated in the style of standard surface mount components (such...

Peptide inhibitors of CRISPR-Cas9

Patent • #11999805. Specific and broad-spectrum inhibitory peptides to CRISPR Cas9 variants (SpyCas9, SauCas9, and CjeCas9) are disclosed. A method of making and using these peptides with therapeutic CRISPR Cas9 (to improve desired targeting) or against harmful CRISPR Cas9 components (already active in a patient) is also disclosed. The peptides combined with...
Results 1626–1650 of 2,457