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| Number | Title | Issue Date |
| 8060169 | Superconductive compounds having high transition temperature, and methods for their use and preparation A new class of superconducting compositions, and methods for making and using them are described. These compositions exhibit superconductivity at temperatures in excess of 26° K. and are comprised of transition metal oxides having at least one additional element th... | 11/15/2011 |
| 5435724 | Dental procedures and apparatus using ultraviolet radiation An improved dental procedure and apparatus where ultraviolet radiation pulses are used to etch selectively both hard tissue and soft tissue in dental procedures. There exists distinct ablation thresholds for hard and soft tissue which are dependent on the... | 07/25/1995 |
| 5026682 | Devices using high Tc superconductors A superconducting device operable at temperatures in excess of 30° K. and a method for making the device are described. A representative device is an essentially coplanar SQUID device formed in a single layer of high Tc superconducting materia... | 06/25/1991 |
| 4994154 | High frequency electrochemical repair of open circuits The invention comprises a two step method for the repair of "opens" in an electronic circuit wherein initially the open is contacted with a plating solution and a high frequency current is passed through the ends of the open in the circuit with the platin... | 02/19/1991 |
| 4962086 | High Tc superconductor - gallate crystal structures High Tc oxide superconductive films can be formed on gallate layers, where the gallate layers include a rare earth element or a rare earth-like element. Combinations of rare earth elements and rare earth-like elements can also be utilized. The ... | 10/09/1990 |
| 4962306 | Magnetically filtered low loss scanning electron microscopy An electron microscope which includes a detector which is located in the magnetic field used to focus the primary electron beam onto the sample. The focusing magnetic field is used to energy-filter and/or energy analyze the scattered electrons without the... | 10/09/1990 |
| 4948623 | Method of chemical vapor deposition of copper, silver, and gold using a cyclopentadienyl/metal complex Improved processes are described for the deposition of Cu and group IB metals such as Ag and Au. These processes include thermal CVD, photothermal depositions and photochemical deposition. The gaseous precursor which leads to successful deposition of high... | 08/14/1990 |
| 4886681 | Metal-polymer adhesion by low energy bombardment A technique is described for improving metal-organic substrate adhesion and for reducing stress between the metal film and the substrate. Low energy reactive ions, electrons, or photons are incident upon the substrate to alter the surface chemistry of the... | 12/12/1989 |
| 4845684 | Acoustic contact sensor for handwritten computer input An acoustic contact sensor for handwritten computer input is disclosed herein. The contact sensor comprises ultrasonic sending transducer means, receiving transducer means and circuit means for providing a logic signal to a computer when contact is made. ... | 07/04/1989 |
| 4831421 | Superconducting device A switch is provided that introduces quasiparticles at an asymmetric location into a reduced cross-sectional area microbridge link that is part of an output path. The quasiparticles nucleate a small region of normal resistivity and the normal region propa... | 05/16/1989 |
| 4830909 | Scratch resistant recording materials for electroerosion printing comprising cross-linked polymer base layer Electroerosion recording materials of superior scratch resistance are provided by incorporating a hard, crosslinked polymer film or layer between the support and the removable, thin conductive layer to reduce plastic deformation of the support under stylu... | 05/16/1989 |
| 4806755 | Micromechanical atomic force sensor head The micromechanical sensor head is designed to measure forces down to 10-13 N. It comprises a common base from which a cantilever beam and a beam member extend in parallel. The cantilever beam carries a sharply pointed tip of a hard material, d... | 02/21/1989 |
| 4805179 | Transverse junction stripe laser A GaAs/AlGaAs-transverse junction stripe (TJS) laser with p-n junction formation by crystal plane dependent doping is described. The laser structure includes a molecular beam epitaxy (MBE)-deposited hetero-structure comprising AlGaAs layers with an active... | 02/14/1989 |
| 4803539 | Dopant control of metal silicide formation A structure and method are described for forming different metal silicide phases, using the same metallurgy and the same processing steps. A layer of metal is deposited on a silicon substrate and is heated to thermally convert the metal-silicon combinatio... | 02/07/1989 |
| 4785341 | Interconnection of opposite conductivity type semiconductor regions A technique for making ohmic electrical interconnections between semiconductor regions of opposite conductivity type, without requiring metallic interconnection lines. This technique has applicability in any circuit using bipolar devices, and in particula... | 11/15/1988 |
| 4784135 | Far ultraviolet surgical and dental procedures A method and apparatus are described for photoetching organic biological matter without requiring heat as the dominant etching mechanism. Far-ultraviolet radiation of wavelengths less than 200 nm are used to selectively remove organic biological material,... | 11/15/1988 |
| 4785189 | Method and apparatus for low-energy scanning electron beam lithography An electron sensitive surface is patternized treated to a high resolution pattern of low-energy electrons without any need to do focussing by emitting the low-energy electrons from a pointed electrode and positioning the apex of the pointed electron emitt... | 11/15/1988 |
| 4764014 | Interferometric measuring methods for surfaces A surface to be tested is illuminated with two beams polarized perpendicularly to each other, extending symmetrically to an optical axis and focussed on the surface by a lens. The light scattered at the surface is separated from the directly reflected lig... | 08/16/1988 |
| 4732801 | Graded oxide/nitride via structure and method of fabrication therefor A structure and method for fabricating the structure, which includes a layer containing a refractory metal and a substrate to which the refractory metal-containing layer does not strongly adhere, there being a thin bonding layer between the substrate and ... | 03/22/1988 |
| 4728626 | Method for making planar 3D heterepitaxial semiconductor structures with buried epitaxial silicides A 3D epitaxial structure is described in which metal compounds are formed in a semiconductor layer, the metal compounds being epitaxial with the semiconductor layer and having a top surface which is planar with the top surface of the semiconductor layer. ... | 03/01/1988 |
| 4720401 | Enhanced adhesion between metals and polymers A technique is described for increasing the adhesion between metals and organic substrates, where the metals are those which normally only very weakly bond to the substrate. These metals include Ni, Cu, Al, Ag, Au, Ta, Pt, Ir, Rh, Pd, Zn, and Cd. The orga... | 01/19/1988 |
| 4717591 | Prevention of mechanical and electronic failures in heat-treated structures This invention relates to the prevention of mechanical and electrical failures in structures that are heat-treated, and more particularly relates to the use of coating layers containing Co and P on corrosible materials such as Cu. The invention has signif... | 01/05/1988 |
| 4699533 | Surface layer to reduce contact resistance in resistive printing ribbon An improved resistive ribbon for thermal transfer priting in which a coating is located on the resistive layer in order to reduce contact resistance between the ribbon and printhead, thereby reducing undesirable heating at the contact region between the r... | 10/13/1987 |
| 4692044 | Interface resistance and knee voltage enhancement in resistive ribbon printing An improved resistive ribbon for thermal transfer printing is provided, where the ribbon includes a resistive layer, a metal current-return layer, a fusible ink layer, and an electric interface layer located between the resistive layer and the metal layer... | 09/08/1987 |
| 4692348 | Low temperature shallow doping technique A technique is described for producing very shallow doped regions in a substrate, at low temperatures. The doped regions are not in excess of about 300 angstroms in depth, and are formed at temperatures less than 700° C. These shallow doped regions can b... | 09/08/1987 |
| 4684206 | Light waveguide with a submicron aperture, method for manufacturing the waveguide and application of the waveguide in an optical memory This light waveguide consists of an optically transparent body cut at one end to a sharp tip and polished optically flat at the other end. A metallization layer on its surface is thick enough to be opaque. By pressing the waveguide against a rigid plate t... | 08/04/1987 |
| 4684437 | Selective metal etching in metal/polymer structures A differential material removal process wherein a selected material can be rapidly removed without adverse impact to surrounding layers of different materials. Ultraviolet radiation is used to selectively remove metal without adversely harming adjacent po... | 08/04/1987 |
| 4684542 | Low pressure chemical vapor deposition of tungsten silicide A process for preparing tungsten silicide films using low pressure, low temperature chemical vapor deposition to deposit silicon-rich tungsten silicide films. As a source of silicon, higher order silanes, such as disilane and trisilane, are used. The gase... | 08/04/1987 |
| 4678701 | Resistive printing ribbon having improved properties An improved resistive ribbon for resistive thermal transfer printing is described in which the resistive layer of the ribbon has enhanced thermal and mechanical properties. The ribbon is a multi-layer ribbon including a resistive layer, an electrical curr... | 07/07/1987 |
| 4668865 | Scanning tunneling microscope An improved scanning tunneling microscope comprising a semiconductor chip into which slots are etched to form a central portion linked by a first pair of stripes to an intermediate portion, which in turn is linked by a second pair of stripes to the main b... | 05/26/1987 |
| 4665313 | Apparatus and method for displaying hole-electron pair distributions induced by electron bombardment An improved electron bombardment induced conductivity apparatus and method is described for charge collection imaging of semiconductor materials and devices with unprecedented resolution. This is accomplished by bombarding a very small area of the surface... | 05/12/1987 |
| 4647494 | Silicon/carbon protection of metallic magnetic structures A superior wear-resistant coating is provided for metallic magnetic recording layers, where the improved coating is a hard carbon layer that is strongly bound to the underlying metallic magnetic recording layer by an intermediate layer of silicon. The sil... | 03/03/1987 |
| 4631423 | Ultra high resolution Josephson sampling technique A circuit is provided for sampling and accurately reproducing unknown signals with picosecond resolution, which could be electrical, optical, x-ray, gamma ray, or particle signals. The circuit comprises a superconductive monitor gate having at least two s... | 12/23/1986 |
| 4623906 | Stable surface coating for ink jet nozzles An improved glass or silicon ink jet nozzle is described having a three-layer coating that provides improved mechanical and chemical properties. The coating includes a first layer of silicon nitride, an intermediate layer graded in composition, and a top-... | 11/18/1986 |
| 4622262 | Recording materials of improved lubricity for use in electroerosion printing Electroerosion recording materials are provided with a surface lubricant film of lubricating conductive material in a polymeric binder. The lubricating conductive agent reduces stylus scratching of the conductive layer during electroerosion printing, impr... | 11/11/1986 |
| 4618767 | Low-energy scanning transmission electron microscope Low-energy scanning transmission electron microscopy is achieved by using a sharply pointed electrode as a source of electrons having energies less than 10 eV and scanning the electron emitting pointed source across the surface of a self-supported thin fi... | 10/21/1986 |
| 4617579 | Hydrophilic protective coatings for electroerosion printing Electroerosion recording materials for "direct negative" and "offset master" are provided with a surface protective coating of solid conductive lubricant dispersed in a hydrophilic, crosslinked polymeric matrix. The protective films are especially useful ... | 10/14/1986 |
| 4613966 | Sealed encapsulation for floppy disk using centrifugal force to flatten disk An optical floppy disk system is described in which the optical disk is enclosed in a flexible housing which is optically transparent. Both the optical disk and its protective housing can be made at very low cost from inexpensive materials. The disk is en... | 09/23/1986 |
| 4609926 | Ribbon transfer color-on-demand resistive ribbon printing An improved technique and apparatus for color-on-demand resistive ribbon printing is provided in which selected colored ink layers are transferred to a resistive printing ribbon from a color-bearing ribbon, prior to resistive ribbon printing. The color ri... | 09/02/1986 |
| 4604520 | Optical near-field scanning microscope This optical near-field scanning microscope comprises an "objective" (aperture) attached to the conventional vertical adjustment appliance and consisting of an optically transparent crystal having a metal coating with an aperture at its tip with a diamete... | 08/05/1986 |
