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...When G.G. Hubbard learned of his future son-in-law's invention, he called it "only a toy." His daughter was engaged to a young man named Alexander Graham Bell.
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| Number | Title | Issue Date |
| 8104421 | Vacuum chamber on a frame basis for coating installations The present invention relates to a vacuum chamber and to its production. According to the invention, the vacuum chamber comprises a frame into which insert plates are placed. The insert plates form together with the frame a closed space in which a vacuum can be crea... | 01/31/2012 |
| 8088501 | High wear resistant triplex coating for cutting tools A hard coating layer system comprises at least a main layer (3) on a surface of a substrate (1), a buried layer (4) and an outer surface layer (5), wherein the surface layer (5) comprises AlCrZ, where Z stands for N, C, B, CN, BN, ... | 01/03/2012 |
| 7997738 | Color wheel fabrication A pressure sensitive adhesive (PSA) is used to attach a plurality of wedge-shaped glass filter segments on a first side to a hub during the color ring build portion of the color wheel fabrication process. A strong adhesive, such as epoxy, is then used to adhere a se... | 08/16/2011 |
| 7988832 | Work piece with a hard film of AlCr-containing material, and process for its production A work piece or structural component is coated with a system of film layers at least one of which is composed of (AlyCr1-y)X, where X=N, C, B, CN, BN, CBN, NO, CO, BO, CNO, BNO or CBNO and 0.2≦y | 08/02/2011 |
| RE42491 | Multilayer hard coating for tools A multilayer hard coating for tools for machining applications with a multilayer structure for improving the wear resistance of workpieces includes at least one (AlyCr1-y)X layer (0.2≦y≦0.7), wherein X is one of the following elements N, C,... | 06/28/2011 |
| 7943017 | Method for operating a pulsed arc evaporation source and vacuum process system comprising said pulsed arc evaporation source A vacuum process system for surface-treating work pieces uses an arc evaporation source. The system has a first electrode connected to a DC power source and a second electrode, disposed separately from the arc evaporation source. The two electrodes are operated whil... | 05/17/2011 |
| 7939181 | Layer system with at least one mixed crystal layer of a multi-oxide A PVD layer system for the coating of workpieces encompasses at least one mixed-crystal layer of a multi-oxide having the following composition: (Me11-xMe2x)2O3, where Me1 and Me2 each represent at least one of the element... | 05/10/2011 |
| 7905991 | Vacuum treatment system A vacuum treatment system (1) for treating workpieces has a treatment chamber (10) that can be evacuated and in which a low-volt arc-discharge device is placed, with at least one locking loading/unloading aperture and at least one coating source placed... | 03/15/2011 |
| 7857948 | Method for manufacturing poorly conductive layers Method for producing poorly conductive and in particular nonconductive layers on at least one work piece by means of a vacuum-coating process in which an electric arc discharge is activated between at least one anode and the cathode of an arc source in a reactive-ga... | 12/28/2010 |
| 7851075 | Work piece with a hard film of ALCR-containing material, and process for its production A work piece or structural component is coated with a system of film layers at least one of which is composed of (AlyCr1-y)X, where X═N, C, B, CN, BN, CBN, NO, CO, BO, CNO, BNO or CBNO and 0.2≦y | 12/14/2010 |
| 7839587 | Color wheel A color wheel has one or a plurality of color filter segments made from a first material, typically glass, having a coefficient of thermal expansion that is substantially different from a carrier, which is made from a second material, typically aluminum. An intermed... | 11/23/2010 |
| 7798097 | Plasma booster for plasma treatment installation An arrangement for boosting or igniting a glow discharge plasma for coating workpieces has at least one hollow body of an electrically conductive material formed such that when an electric signal is applied to the hollow body at least in a certain pressure and volta... | 09/21/2010 |
| 7771822 | Conductive material comprising an Me-DLC hard material coating The invention relates to a conductive material consisting of an alloy that contains copper, for use as a plug-in or clip connection. Said material comprises a cover layer that is deposited on at least some sections of the contact surface, said layer consisting at le... | 08/10/2010 |
| 7625675 | Method for producing masks for photolithography and the use of such masks A mask for photolithography methods comprises opaque and transparent areas as well as a surface structure. For the contact with a substrate (10) to be exposed at least a few opaque areas are incorporated and at least a few transparent areas are arranged in a ... | 12/01/2009 |
| 7618720 | Multilayer hard coating for tools A multilayer hard coating for tools for machining applications with a multilayer structure for improving the wear resistance of workpieces includes at least one (AlyCr1-y)X layer (0.2≦y≦0.7), wherein X is one of the following elements N, C,... | 11/17/2009 |
| 7575350 | Night vision system for motor vehicles An infrared lighting device for motor vehicles, for example a headlight, has a radiation source and a filter, whereby the device emits white and infrared radiation at a certain intensity in a wavelength range between 800 and 1200 nm on one axis, and the filter at a ... | 08/18/2009 |
| 7564627 | Structured optical element and production thereof An optical element structured in accordance with the invention comprises a substrate with at least two zones with different optical functions. The coating systems in the two zones can in each case be subdivided into a zone-specific internal partial coating system an... | 07/21/2009 |
| 7554346 | Test equipment for automated quality control of thin film solar modules Provided is a method and test system for identifying a defective region of a photovoltaic cell from among a plurality of photovoltaic cells collectively forming a thin film solar module. A probe includes a plurality of test fingers arranged to be substantially simul... | 06/30/2009 |
| 7514374 | Method for manufacturing flat substrates For avoiding the metallic inner surface of a PECVD reactor to influence thickness uniformity and quality uniformity of a μc-Si layer (19) deposited on a large-surface substrate, (15) before each substrate is single treated at least parts of the addres... | 04/07/2009 |
| 7507467 | Component comprising submicron hollow spaces Methods for filtering particles from a fluid are disclosed, wherein an array of microstructures defining respective microchannels having respective minimum widths are used to separate the fluid from particles to be filtered. The fluid flows through the minimum width... | 03/24/2009 |
| 7504279 | Method for producing semi-conducting devices and devices obtained with this method A semi-conducting device has at least one layer doped with a doping agent and a layer of another type deposited on the doped layer in a single reaction chamber. An operation for avoiding the contamination of the other layer by the doping agent separates the steps of... | 03/17/2009 |
| 7455755 | Vacuum plasma generator The invention relates to a vacuum plasma generator for providing a plasma discharge (10) for treating work pieces (5) by way of a pulsed plasma process in a vacuum chamber (2). Said vacuum plasma generator comprises a generator output (9, 9 | 11/25/2008 |
| 7370762 | Tray for batching, storing and transporting small parts, especially tools and method for using it A tray to place small parts (8,9) the parts each having a through hole (15) which makes the parts adapted to be spiked on a rod (7) for further processing or transportation. The tray (10) includes a top side; a bottom side; and support me... | 05/13/2008 |
| 7318847 | Structured coating system Workpiece with at least one functional face and a layer system deposited on at least a portion of the functional face as well as a structure pattern, which encompasses at least a portion of the layer system and which is comprised of at least one three dimensional mi... | 01/15/2008 |
