| Patent Number |
Title Of Patent |
Date Issued |
| H1873 |
Single-chip, multi-functional optoelectronic device and method for fabricating same |
October 3, 2000 |
| An optoelectronic device comprises a detector, an emitter and a modulator corporated into a single semiconductor chip. The optoelectronic device provides electrical isolation and optical interconnection (via waveguides) of the components of the semiconductor chip. Contacts for providing |
| 7271019 |
Lateral heat spreading layers for epi-side up ridge waveguide semiconductor lasers |
September 18, 2007 |
| Disclosed are a semiconductor device and method of manufacturing the same comprising a substrate, a mesa region adjacent to the substrate, an electroplated metal layer, for reducing the thermal resistance of the device, surrounding the mesa region, an insulator layer separating a side |
| 7061022 |
Lateral heat spreading layers for epi-side up ridge waveguide semiconductor lasers |
June 13, 2006 |
| Disclosed are a semiconductor device and method of manufacturing the same comprising a substrate, a mesa region adjacent to the substrate, an electroplated metal layer, for reducing the thermal resistance of the device, surrounding the mesa region, an insulator layer separating a side |
| 6710367 |
Multiple quantum well semiconductor optical modulator |
March 23, 2004 |
| A quantum-confined Stark effect semiconductor optical modulator, operable to modulate light of a particular wavelength in the range of around 780 to 840 nm. A p-i-n diode having p, intrinsic and n regions, as well as first and second electrical contacts for application of a reverse bias |
| 6500688 |
Interband cascade light emitting device and method of making same |
December 31, 2002 |
| An interband cascade (IC) light emitting device having narrow ridges, and a method of growing and fabricating the IC light emitting device is disclosed. The IC light emitting device produced by the method of the present invention has 18 active regions separated by n-type injection re |
| 6319214 |
Valve-less fluid control circuit for rhythmic action devices |
November 20, 2001 |
| A valve-less fluid control circuit for controlling rhythmic action devices, such as circulatory assist devices. The fluid control circuit has a plurality of pressure sensitive fluid oscillators for circulating a fluid. Each fluid oscillator includes a capacitance chamber unit for perista |
| 6178813 |
Vibration distortion removal for scanning probe microscopes |
January 30, 2001 |
| A method for improving images of surface features of a sample, constructed by a scanning probe microscope, includes constructing images of surface features of a sample with a scanning probe microscope; measuring a displacement of the sample that occurs during the constructing step; and |
| 6142131 |
Electromagnetic launcher with pulse-shaping armature and divided rails |
November 7, 2000 |
| An electromagnetic launcher includes a single or multi-polar, multi-phase electrical generator powered by an external source; electrical conductors leading from output coils of the generator and from a center point joining the output coils; a plurality of rails connected to the electrica |
| 6094986 |
Acoustic navigation aid for autonomous coal miner |
August 1, 2000 |
| An apparatus for determining thickness of a wall or coal seam includes a ice for measuring the time of sound travel through the thickness; a flexible isolation bellows that mechanically supports the device for measuring the time of sound travel; and a retractable isolation arm attac |
| 4600435 |
Solvent extraction of cobalt (II) from sulfate solutions with cobalt extractants |
July 15, 1986 |
| Nickel and cobalt contained in aqueous sulfate solution are separately recovered by counter-current solvent extraction using a cobalt-selective organic extractant while scaling of equipment and cobalt recycle are minimized by controlling aqueous pH at the extraction, scrubbing and st |
| 4444733 |
Process for recovering molybdenum and copper from sulfide concentrates |
April 24, 1984 |
| A hydrometallurgical process is provided for the recovery of molybdenum values from a molybdenum disulfide concentrate containing copper. The process comprises forming an aqueous slurry of finely divided molybdenum concentrate of carbonates and hydroxides of alkali metals, and pressure |