Class 117/25 - Defines a product with a hollow structure (e.g., tube)

Subclass of Class 117 - Single-crystal, oriented-crystal, and epitaxy growth processes; non-coating apparatus therefor
Definition: Subject matter in which the solid member controls the growth
No. of patents: 28
Last issue date: 08/05/2008

Number	Title	Issue Date
7407550	Method and apparatus for crystal growth A method and apparatus for growing a crystalline or poly-crystalline body from a melt is described, wherein the melt is retained by capillary attachment to edge features of a mesa crucible. The boundary profile of the resulting melt surface results in an effect whic...	08/05/2008
7361218	Method and apparatus for fabricating a crystal fiber The present invention relates to a method for fabricating a crystal fiber having different regions of polarization inversion, comprising the following steps: (a) providing a source material; (b) putting the source material into a fabricating apparatus; and (c) formi...	04/22/2008
7354596	Anti-microbial agent delivery system A delivery system for delivering an anti-microbial agent to a surface in a time release manner. The delivery system includes one or more polymeric particles (e.g., microspheres, core/shell particles, latexes, porogens, cryogenically ground beads, condensation polyme...	04/08/2008
7137546	Silicon tube formed of bonded staves Tubular silicon members advantageously formed by extrusion from a silicon melt or by fixing together silicon staves in a barrel shape. A silicon-based wafer support tower is particularly useful for batch-mode thermal chemical vapor deposition and other high-temperat...	11/21/2006
7125450	Process for preparing single crystal silicon using crucible rotation to control temperature gradient The present invention is directed to a process for preparing single crystal silicon, in ingot or wafer form, wherein crucible rotation is utilized to control the average axial temperature gradient in the crystal, G0, as a function of radius (i.e., G0...	10/24/2006
7056558	Fabric shoe outsole manufacturing methods by electrostatic flocking A shoe having a fabric outsole and method for manufacturing are disclosed. In described embodiments, a shoe outsole with a bottom surface wherein an adhesive is applied to at least a portion of the bottom surface of the shoe outsole and a plurality of fibers are emb...	06/06/2006
6954993	Concentric proximity processing head In one of the many embodiments, a method for processing a substrate is disclosed which includes generating a first fluid meniscus and a second fluid meniscus at least partially surrounding the first fluid meniscus wherein the first fluid meniscus and the second flui...	10/18/2005
6938815	Heat-resistant electronic systems and circuit boards Methods of making improved electronic systems and circuits boards, and more specifically to methods of making improved electronic systems and circuits boards using heat-resistant composite materials having superior mechanical, thermal, and electrical properties....	09/06/2005
6605535	Method of filling trenches using vapor-liquid-solid mechanism A method of filling trenches such as a DT cell with silicon is described that involves a vapor-liquid-solid (VLS) mechanism. First, a thin film of Si is grown on the trench sidewalls. Seed metal such as Au, Ni or Ni alloy is deposited on the sidewalls by ...	08/12/2003
5454879	Helically grown monolithic high voltage photovoltaic devices and method therefor The invention provides for methods that include the steps of continuous liquid phase epitaxy followed by evaporation or implantation of dopant, barrier-interconnect, and additional interconnect-dopant layers to grow cylindrical helical multi-layer structu...	10/03/1995
5398640	Apparatus for growing hollow crystalline bodies from the melt A single crystal dome is formed from a surface of revolution and grown from a liquid material on a linear die surface wettable by the molten material. A seed crystal is supported in a position spaced from an axis of revolution which lies in the plane of t...	03/21/1995
5394825	Method and apparatus for growing shaped crystals A high temperature heat exchanger is used with the Czochralski crystal growing method to control the heat extraction from crystal silicon ingots as they are grown. The high temperature heat exchanger also acts as a shaping die so that silicon bars, or ing...	03/07/1995
5156978	Method of fabricating solar cells A method and apparatus for producing crystalline substrate for use in fabricating solid state electronic devices. A hollow crystalline body is grown from a melt containing a dopant and a P-N junction is formed in said crystalline body as it is being grown...	10/20/1992
5106763	Method of fabricating solar cells A method and apparatus for producing crystalline substrates for use in fabricating solid state electronic devices. A hollow crystalline body is grown from a melt containing a dopant and a P-N junction is formed in said crystalline body as it is being grow...	04/21/1992
5102494	Wet-tip die for EFG cyrstal growth apparatus A novel capillary die and crystal growing method are provided for growing a hollow crystalline body by EFG. Inner and outer annular moats surround the die tip. Passageways are provided for supplying melt to those moats from a crucible, so that melt in sai...	04/07/1992
4968380	System for continuously replenishing melt A system for continuously supplying solid silicon particles to an apparatus for growing hollow, tubular crystalline bodies. The system includes a container for storing solid silicon particles, a vibratory, pneumatic, or other device for causing the partic...	11/06/1990
4957713	Apparatus for growing shaped single crystals An apparatus for growing shaped single crystals of high-melting transparent metal compounds has a sealed chamber (1) having inside thereof a heat insulating unit (2) with a heater (3) in the form of a sleeve accommodating a crucible (5), mounted for axial...	09/18/1990
4936947	System for controlling apparatus for growing tubular crystalline bodies A control system for controlling the operation of an apparatus for growing tubular crystalline bodies. The control system comprises a weight sensor for measuring the weight of the crystal, a length sensor for measuring the length of the crystal, a pressur...	06/26/1990
4711695	Apparatus for and method of making crystalline bodies An improved apparatus and method is disclosed for use in a system for growing a hollow tubular body of crystalline material by growing the body from the end of a die member, whereby the hollow tubular body can be cut lengthwise along predetermined lines o...	12/08/1987
4565600	Processes for the continuous preparation of single crystals Processes for the continuous preparation of single crystals having a predetermined shape and requiring little or no subsequent machining which processes comprise placing a single crystal-forming material in a crucible fitted in its lower portion with a ca...	01/21/1986
4557793	Method and apparatus for drawing crystalline bodies from a melt This invention involves a method and apparatus for drawing crystalline bodies from a melt by means of an open-ended drawing nozzle which determines the cross-sectional geometry of the crystalline body. The drawing nozzle is composed of a material which is...	12/10/1985
4416723	Method for producing sapphire tubes During the process of pulling sapphire tubes from a melt with the aid of a seed, the longitudinal temperature gradient in the zone between the solidified front and the region of pulling where the temperature is between 1850 and 1900 deg. C. is maintained ...	11/22/1983
4323418	Method for growing a pipe-shaped single crystal A susceptor made of a conductive material which has a melting point higher than that of a starting material and which does not react with the melt of the starting material is heated to a temperature not lower than the melting point of the starting materia...	04/06/1982
4248645	Method for reducing residual stresses in crystals A temperature profile controller is provided for cooling a crystal as it is pulled from a melt so that a substantially linear temperature gradient is established and maintained along the length of the crystal as it is cooled, whereby to prevent or reduce ...	02/03/1981
4197157	Method for forming refractory tubing Refractory tubings, either in amorphous, polycrystalline or single crystal form, are made by moving a preformed tubing of a refractory material and a heated zone relative to each other, the heating zone providing sufficient heat to melt through the tubing...	04/08/1980
4036666	Manufacture of semiconductor ribbon A method is provided for producing flat substantially monocrystalline ribbons, e.g. silicon ribbons for use in making flat solar cells. The ribbons are produced by growing substantially monocrystalline flat hollow tubes, and then excising the edge portion...	07/19/1977
4032390	Plural crystal pulling from a melt in an annular crucible heated on both inner and outer walls An annular crucible for containing molten, inorganic crystalline material in an apparatus for growing a plurality of substantially monocrystalline articles including a plurality of spaced forming members disposed in a ring-like arrangement within the cruc...	06/28/1977
3998686	Sapphire growth from the melt using porous alumina raw batch material A method of growing sapphire crystals from the melt wherein a porous alumina raw material is used to replenish the melt during growth. The porous alumina is subjected to a high temperature, low pressure environment to remove adsorbed water and oxygen whic...	12/21/1976

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Class 117/25 - Defines a product with a hollow structure (e.g., tube)