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Results 1001–1025 of 2,479

Lipid-coated particles for treating viral infections
Patent • #11,045,554. The present invention relates to lipid-coated particles for treating viral infections, including viral encephalitis infections. In particular, an antiviral compound can be disposed within the lipid-coated particle, thereby providing an antiviral carrier. Methods of making and using such carriers are described herein.

Lithographically defined microporous carbon structures
Patent • #8,349,547. A lithographic method is used to fabricate porous carbon structures that can provide electrochemical electrodes having high surface area with uniform and controllable dimensions, providing enormous flexibility to tailor the electrodes toward specific applications. Metal nanoparticles deposited on the surface of the porous carbon electrodes exhibit ultra small dimensions...

Lithographically defined microporous carbon-composite structures
Patent • #9,513,554. A microporous carbon scaffold is produced by lithographically patterning a carbon-containing photoresist, followed by pyrolysis of the developed resist structure. Prior to exposure, the photoresist is loaded with a nanoparticulate material. After pyrolysis, the nanonparticulate material is dispersed in, and intimately mixed with, the carbonaceous material of the scaffold,...

Lithography process for patterning HgI2 photonic devices
Patent • #6,821,714. A photolithographic process forms patterns on HgI.sub.2 surfaces and defines metal sublimation masks and electrodes to substantially improve device performance by increasing the realizable design space. Techniques for smoothing HgI.sub.2 surfaces and for producing trenches in HgI.sub.2 are provided. A sublimation process is described which produces etched-trench devices with...

Load cell having strain gauges of arbitrary location
Patent • #7,188,535. A load cell utilizes a plurality of strain gauges mounted upon the load cell body such that there are six independent load-strain relations. Load is determined by applying the inverse of a load-strain sensitivity matrix to a measured strain vector. The sensitivity matrix is determined by performing a multivariate...

Localized temperature stability of low temperature cofired ceramics
Patent • #8,593,237. The present invention is directed to low temperature cofired ceramic modules having localized temperature stability by incorporating temperature coefficient of resonant frequency compensating materials locally into a multilayer LTCC module. Chemical interactions can be minimized and physical compatibility between the compensating materials and the host LTCC dielectrics can be...

Locking Side Pull Hoist Ring
Featured Opportunity • An integrated tool with the ability to lift, rotate, and lock a suspended work piece at any angle — eliminating the need for manual operators or additional custom fixtures to accomplish the same Sandia researchers have developed a Locking Side Pull Hoist Ring which presents a significant improvement on commonly...

Long wavelength vertical cavity surface emitting laser
Patent • #6,931,042. Selectively oxidized vertical cavity lasers emitting near 1300 nm using InGaAsN quantum wells are reported for the first time which operate continuous wave below, at and above room temperature. The lasers employ two n-type Al.sub.0.94 Ga.sub.0.06 As/GaAs distributed Bragg reflectors each with a selectively oxidized current aperture adjacent to...

Long working distance incoherent interference microscope
Patent • #7,034,271. A full-field imaging, long working distance, incoherent interference microscope suitable for three-dimensional imaging and metrology of MEMS devices and test structures on a standard microelectronics probe station. A long working distance greater than 10 mm allows standard probes or probe cards to be used. This enables nanometer-scale 3-dimensional height...

Long working distance interference microscope
Patent • #6,721,094. Disclosed is a long working distance interference microscope suitable for three-dimensional imaging and metrology of MEMS devices and test structures on a standard microelectronics probe station. The long working distance of 10-30 mm allows standard probes or probe cards to be used. This enables nanometer-scale 3-D height profiles of...

Long-Lasting Lithium Primary Batteries
Featured Opportunity • Long-lasting lithium primary batteries with a wide operational temperature range and increased safety. There is an ever-growing need to produce safer batteries that have longer run times and better temperature responses. Many current systems use lithium primary batteries because of their high energy densities and wide operational temperature range. However,...

Low Cost TiO2 Nanoparticles
Featured Opportunity • TEM image of TiO2 nanoparticles taken at 50KX magnification demonstrates discrete and stable end product. Current methods of producing titanium dioxide nanoparticles require costly surfactants and/or high temperature and pressure processing. Processing under these conditions results in nanoparticles with extremely wide particle size distributions and significant particle agglomeration. These problems...

Low energy high pressure miniature screw valve
Patent • #7,147,205. A low energy high pressure screw valve having a valve body having an upper portion and a lower portion, said lower portion of said valve body defining an inlet flow passage and an outlet flow passage traversing said valve body to a valve seat, said upper portion of said...

Low Inductance DC Power Bus
Featured Opportunity • A low-inductance DC power bus for high frequency, high temperature operation in electric drive systems and next-generation power electronics A new generation of power electronic conversion systems are being enabled by wide-bandgap (WBG) devices. Applications in civilian and defense sectors are already realizing improved power density and efficiency in power...

Low power photomultiplier tube circuit and method therefor
Patent • #7,030,355. An electrical circuit for a photomultiplier tube (PMT) is disclosed that reduces power consumption to a point where the PMT may be powered for extended periods with a battery. More specifically, the invention concerns a PMT circuit comprising a low leakage switch and a high voltage capacitor positioned between...

Low power sensor for NOx detection
Patent • #11573217. Detection and capture of toxic nitrogen oxides (NOx) is important for emissions control of exhaust gases and general public health. The low power sensor provides direct electrically detection of trace (0.5-5 ppm) NO2 at relatively low temperatures (50° C.) via changes in the electrical properties of nitrogen-oxide-capture active materials....

Low power, scalable multichannel high voltage controller
Patent • #7,348,688. A low voltage control circuit is provided for individually controlling high voltage power provided over bus lines to a multitude of interconnected loads. An example of a load is a drive for capillary channels in a microfluidic system. Control is distributed from a central high voltage circuit, rather than...

Low power, scalable multichannel high voltage controller
Patent • #7,012,342. A low voltage control circuit is provided for individually controlling high voltage power provided over bus lines to a multitude of interconnected loads. An example of a load is a drive for capillary channels in a microfluidic system. Control is distributed from a central high voltage circuit, rather than...
Results 1001–1025 of 2,479