The archive
Everything the archive has gained lately, newest first. Also as a feed for whatever you read feeds with.
13,573 items
patent · · added 2 months ago
The invention provides methods, compositions, and apparatus for performing sensitive detection of analytes, such as biological macromolecules and other analytes, by labeling a prob...
patent · · added 2 months ago
A chemical sensor includes a diode or a transistor fabricated in diamond. A diamond-based diode chemical sensor includes a first diamond layer of first conductivity type and a seco...
patent · · added 2 months ago
A laser having a roughened, catalytic surface to regenerate fluid within the lasing chamber that decomposes during operation of the laser. The roughness of this surface greatly inc...
patent · · added 2 months ago
A reversible thermoelectric converter includes first and second quantum well diodes and an electrical connection between the first and second quantum well diodes without a thermal...
patent · · added 2 months ago
In accordance with the invention, a quantum well device provides localized states for electrons having an energy E greater than the barrier height of the constituent quantum wells....
patent · · added 2 months ago
An energy converter for converting a sound energy into a kinetic energy is comprised of a source device for radiating the sound energy, and a body having a cover member for absorbi...
patent · · added 2 months ago
An energy converter includes a resonator adapted for generating a sound wave in a medium, and a movable member disposed in a progressive direction of the sound wave generated by th...
patent · · added 2 months ago
A device and process using a gold as a catalyst for oxidizing carbon monoxide to form CO 2 at ambient temperatures. This has particular application to CO 2 lasers. In one CO 2 lase...
patent · · added 2 months ago
An electrical energy source is created by the combination of a light emitting polymer material having at least one light emitting surface emitting light energy of a specified frequ...
patent · · added 2 months ago
A methane Raman cell is provided with a catalytic composite comprising palladium on a titania substrate, which promotes the hydrogenation of gas products formed by the decompositio...
patent · · added 2 months ago
A resonant-tunneling, heterostructure bipolar transistor having a quantum well between emitter contact and collector region is described. In one embodiment, a compositionally grade...
patent · · added 2 months ago
An ultrasonic wave generator includes a resonant member tapered to a thin edge, the member having a Q of about 300 or more.
patent · · added 2 months ago
A superlattice or multiple-quantum-well semiconductor is used as a photoelectrode in a photoelectrochemical process for converting solar energy into useful fuels or chemicals. The...
patent · · added 2 months ago
Heterojunction devices having doping interface dipoles near the heterojunction interface are disclosed. The doping interface dipoles comprise two charge sheets of different conduct...
patent · · added 2 months ago
A device having a selectively doped varying bandgap region with pyroelectric characteristics is described which is useful as a photodetector or temperature sensor. A plurality of s...
patent · · added 2 months ago
A high-output, narrow band thermally energized radiation source comprises a rare earth oxide radiator member that has a cross-sectional dimension in the range of five to thirty mic...
patent · · added 2 months ago
An apparatus (1) is disclosed for controlling oxidation of a fuel in an oxidation source (2,3). The apparatus includes photovoltaic means (5) for receiving electromagnetic radiatio...
patent · · added 2 months ago
In electrically pumped CO 2 gas lasers, there take place widely different chemical and physical processes which lead, at least partially, to undesirable interactions of the gases a...
patent · · added 2 months ago
A process for generating negative ions of hydrogen isotopes is described which comprises cooling the hydrogen gas below 300° K., and preferably to about 200° K., vibrationally exci...
patent · · added 2 months ago
The yield of photonically excited gas phase reactions is increased by extracting excess energy from unstable, excited species by contacting the species with the surface of a finely...
patent · · added 2 months ago
Laser radiation is employed to initiate and promote chemical reactions by creating states of molecular vibrational mode excitation exceeding those appropriate to the translational...
patent · · added 2 months ago
A method and apparatus for continuous production of luminescence. A steady state heterogeneous charge transfer chemical reaction is carried out on the surface of a solid state cata...
patent · · added 2 months ago
A liquid fuel is admitted to a catalytic chemical reactor and decomposed to provide high temperature, vibrationally excited nitrogen. The nitrogen is aerodynamically expanded to a...
patent · · added 2 months ago
A chemical laser which operates by formation of metal or carbon atoms and reaction of such atoms with a gaseous oxidizer in an optical resonant cavity. The lasing species are diato...
patent · · added 2 months ago
Machine transcription of the US3510797 patent scan, 3 pages.
patent · · added 2 months ago
Machine transcription of the US3483040 patent scan, 4 pages.
patent · · added 2 months ago
A wind power generator has a nacelle; a hub rotatable about an axis of rotation with respect to the nacelle; at least two blades fitted to the hub; an electric machine which is fit...
patent · · added 2 months ago
A rotary seal housing having opposing ends, a first fluid conducting slot at one of the opposing ends, a pair of spaced apart fluid conducting slots at the other opposing end, and...
patent · · added 2 months ago
A wind generator includes: a nacelle; a hub carried by the nacelle and including at least a pair of wind turbine blades; and an electricity producing generator including a stator a...
patent · · added 2 months ago
The present invention is a method of compressing lamination stacks for a permanent magnet rotor. The method includes the steps of providing a plurality of stages of lamination stac...
