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| Number | Title | Issue Date |
| 7301149 | Apparatus and method for determining a thickness of a deposited material Method and apparatus for determining a thickness of a deposited material. Energy is passed through the deposited material, wherein some of the energy is transmitted. The transmitted energy is received, and the received energy is used to determine a thickness of the ... | 11/27/2007 |
| 7261774 | Crystal-growing furnace, in particular a vertical Bridgman crystal-growing furnace or a vertical gradient freeze crystal-growing furnace having a jacket heater and a method of regulating the heat output of the jacket heater This invention is based on the problem of achieving the most planar possible phase boundary extending in the horizontal direction between the still molten material and the material that has already crystallized out in a vertical Bridgman crystal-growing furnace or v... | 08/28/2007 |
| 7026585 | Method for monitoring the performance of a magnetic pulse forming or welding process The performance of a magnetic pulse forming or welding process is monitored by positioning a deformation member relative to an inductor coil of the apparatus, then energizing the inductor coil to exert a force thereon. The deformation member can be a plastically def... | 04/11/2006 |
| 6953511 | Method for high definition dip transfer printing and article made according to method Method for high definition printing to be dip transferred to a three-dimensional article comprises four color process printing a digital image from a digital image file onto a water soluble polymer film with solvent based ink to form a printed water soluble film and... | 10/11/2005 |
| 6935230 | Liquid coating applicator and printing system with ink activator sprayer A liquid coating applicator for applying a liquid coating to an object comprising a cantilever comprising a mounting member and a projecting member extending from the mounting member to a distal end. A printing system for printing an image with ink activated with a ... | 08/30/2005 |
| 6932865 | System and method of making single-crystal structures through free-form fabrication techniques A single-crystal structure is grown using free-form fabrication through principles of directional solidification and direct-deposition techniques. The structure is formed from a metallic alloy by building from feedstock on top of and upward from a heated base elemen... | 08/23/2005 |
| 6902616 | Method and apparatus for producing semiconductor device A liquid crystal display device is manufactured by first forming a crystalline semiconductor film 2103, of silicon for example, over an insulating substrate 2101, such as glass. The substrate is warped in the process. The warpage is corrected by suctio... | 06/07/2005 |
| 5885347 | Apparatus and method for lifting single crystals The object of this invention is to provide a method and a device for manufacturing semiconductor single crystals by the CZ method in response to the increase in the weight of semiconductor single crystal produced. The necked portion formed beneath the red... | 03/23/1999 |
| 5681758 | Method for fabricating semiconductor single crystal A method of supplying raw material for fabricating semiconductor single crystal according to the continuously charged method provides an inventive method to overcome the problems of the raw material being charged either insufficiently or excessively, and ... | 10/28/1997 |
| 5304357 | Apparatus for zone melting recrystallization of thin semiconductor film An apparatus for zone melting a thin semiconductor film comprises an first laser for heating the thin semiconductor film, at least one additional laser for heating an insulating substrate, a first temperature detecting device for detecting the temperature... | 04/19/1994 |
| 5248377 | Crystal-growth furnace for interface curvature control In a Bridgman-type apparatus for growing single crystals, a pair of different gradient sections is located around the respective liquid and solid phases of a sample undergoing solidification. Each gradient section is chosen with thermal characteristics ma... | 09/28/1993 |
| 5217565 | Contactless heater floating zone refining and crystal growth Floating zone refining or crystal growth is carried out by providing rapid relative rotation of a feed rod and finish rod while providing heat to the junction between the two rods so that significant forced convection occurs in the melt zone between the t... | 06/08/1993 |
| 5074952 | Zone-melt recrystallization method and apparatus The improved zone-melt recrystallization apparatus is comprised of a heating element having a plurality of individually controllable heating elements. The elements are heated in sequence to generate a melted zone within a semiconductor material which is t... | 12/24/1991 |
| 4931945 | Method of controlling floating zone A method of controlling a floating zone applied to a crystal manufacturing system based on the FZ method and designed to enable the diameter at the crystallization boundary and the axial length of the floating zone or other similar quantities to desired v... | 06/05/1990 |
| 4931624 | Thermal distortion free viewing of a heated cavity High temperature furnaces are described containing a movable viewing window that is heated so that the work charge can be scanned along the length of the furnace without creating a thermal disturbance. A system is also disclosed for controlling the operat... | 06/05/1990 |
| 4907177 | Computerized multi-zone crystal growth furnace precise temperature and heating control method A computerized method of digitally controlling the temperature profile of a heated article in which the temperature profile is defined by a plurality of temperature zones spaced about the article. The temperature profile of the article is monitored and a ... | 03/06/1990 |
| 4865683 | Method and apparatus for laser process control A method and apparatus for controlling the energy of a laser beam on a workpiece includes a photodetector for generating an electrical signal which is proportional to the light reflected from the workpiece. The energy of the laser beam at the workpiece is... | 09/12/1989 |
| 4797174 | Process and apparatus for the continuous checking of the supermelting of the solidification front of a monocrystal during formation and application to the checking of the growth of a crystal The present invention relates to a process and an apparatus for checking the supercooling of a monocrystal during its formation. There is a continuous measurement of the potential difference between one point of the forming crystal and one point of a solid par... | 01/10/1989 |
| 4708764 | Method of and apparatus for growing crystals A complex relative movement in a direction transverse to the crystal draw direction is imparted at the interface between the growing crystal bar and a melt of the crystallizable material by controlled electrical energization of a radial stabilizer acting... | 11/24/1987 |
| 4392230 | Method and apparatus for the manufacture of silicon by crucible-free zone melting Method of producing silicon by crucible-free zone melting a substantially vertically held silicon rod with which a melting zone, produced by an induction heating coil which, together with an oscillating-circuit coil connected in series therewith and deter... | 07/05/1983 |
| 4203781 | Laser deformation of semiconductor junctions A method of changing the geometry of p-n or isotype junctions in semiconductor crystal material by laser or electron beam melting through a portion of the junction is described. Two adjoining regions are doped at different levels and a laser or electron b... | 05/20/1980 |
| 4177372 | Method and apparatus for laser zone melting A method for laser zone melting and apparatuses therefor wherein, in a zone melting method for a thin film due to the irradiation of laser beam, the laser beam is vibrated at the frequency of more than 1 Hz in the direction substantially perpendicular to ... | 12/04/1979 |
| 4176002 | Controlling the melt temperature during zone refining and Czochralski crystal growth by sensing the viscous torque of the melt zone during operation A method and apparatus for controlling a heated bath of molten material to obtain controlled solidification, wherein the molten bath is kept in constant rotational movement relative to the solid portion of the material being treated and the mechanical act... | 11/27/1979 |
| 4162367 | Method of crucible-freeze zone-melting a semiconductor rod and apparatus for carrying out the method Method of crucible-free zone-melting a semiconductor rod which includes monitoring a melting zone formed in and traveling through a semiconductor rod surrounded by an induction heating coil, producing a respective signal corresponding to values of the act... | 07/24/1979 |
| 4155779 | Control techniques for annealing semiconductors Polycrystalline and amorphous semiconductors can be annealed using a laser or electron beam to restore or obtain crystal order by epitaxial regrowth on a crystal substrate. When the annealing occurs by liquid phase epitaxy, the presence and lifetime of a ... | 05/22/1979 |
