The first match was accidentally discovered in 1826 when John Walker scraped a stick with chemicals on the end against a stone floor.
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| Number | Title | Issue Date |
| 7361916 | Coupled nano-resonating energy emitting structures A coupled nano-resonating structure includes a plurality of a nano-resonating substructures constructed and adapted to couple energy from a beam of charged particles into said nano-resonating structure and to transmit the coupled energy outside said nano-resonating ... | 04/22/2008 |
| 7351997 | Single photon receptor A photon receptor having a sensitivity threshold of a single photon is readily fabricated on a nanometric scale for compact and/or large-scale array devices. The fundamental receptor element is a quantum dot of a direct semiconductor, as for example in a semiconduct... | 04/01/2008 |
| 7326908 | Optically-regulated optical emission using colloidal quantum dot nanocrystals The present invention relates to the emission of light which occurs in proportion with an electrical signal, an optical signal, or the combination of both. The emission of light may occur due to the passage of current through a light-emitting polymer, or due to ener... | 02/05/2008 |
| 7180066 | Infrared detector composed of group III-V nitrides A quantum-well infrared photodetector (QWIP) is presented. The photodetector includes a substrate, a buffer layer, a first conductive layer, a multiple quantum well, an optional blocking layer, and a second conductive layer. Substrate is composed of a monocrystal wh... | 02/20/2007 |
| 7181266 | Materials and methods for near-infrared and infrared lymph node mapping A lymphatic system can be imaged with emissive semiconductor nanocrystals, for example, in the near infrared. ... | 02/20/2007 |
| 7129467 | Carbon nanotube based light sensor A light sensor substrate comprises a base made from a semi-conductive material and topped with a layer of an electrically non-conductive material. A first electrode and a plurality of carbon nanotube (CNT)-based conductors are positioned on the layer of electrically... | 10/31/2006 |
| 6657717 | Device for verifying the accuracy of a spectral analyzer The present invention provides an artificial member (80, 210) which mimics the absorbance spectrum of a body part and includes the spectral components of blood analytes. The artificial member comprises a light scattering and reflecting material, and has a... | 12/02/2003 |
| 6614521 | Device for verifying the accuracy of a spectral analyzer An artificial member that mimics the absorbance spectrum of an animal body part and includes the spectral components of blood analytes is disclosed. The artificial member is made of a light scattering and reflecting material and is configured to be reprod... | 09/02/2003 |