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7520932 Method of analyzing carbon concentration in crystalline silicon  
A method of analyzing carbon concentration in crystalline silicon includes providing a section from a zoned and annealed silicon core. The zoned and annealed core is extracted from a...
7316805 Laboratory cap and well for hanging-drop crystallization methods  
The invention relates to a device for molecular and macromolecular crystallization. More particularly, the device comprises a well and a transparent cap for growing diffraction-quality protein...
7122083 Apparatus and process used in growing crystals  
This invention relates to a novel system for making uniform crystals. The system, by virtue of the nature of its crystal product, is useful in various chemical, pharmaceutical, agricultural, and...
7008599 High throughput crystal form screening workstation and method of use  
A filtration assembly operable in connection with a crystal form screening workstation that provides for automated crystal form screening is disclosed. The assembly includes first and second...
7005008 Reaction vessel  
The invention relates to a reaction vessel ( 1 ) for producing a sample, in particular a crystal, from a substance in solution or in liquid form, having several reaction chambers ( 6 ) each forming...
6703479 Process and apparatus for cooling polymer in a reactor  
A process and apparatus is disclosed for heating or cooling polymer solids in a dispensing section of a solid-state polycondensation reactor. Gas is delivered to the dispensing section of the...
6454853 Process for the purification of organic products by fractionated crystallization at a variable circulation rate  
The present invention pertains to a process for the purification of an organic product by fractionated crystallization, characterized in that the organic product is purified by circulation in...
6334878 Apparatus and method for crystallization  
An apparatus for crystallization, which contains a crystallization vessel, a seed supplying device, a feed solution supplying device and a tube baffle disposed within the crystallization vessel....
6258331 Apparatus for growing crystals  
A simple and economic apparatus for crystal growth effective in crystallization of a biological macromolecule such as protein is provided. The apparatus for crystal growth includes first liquid...
6179912 Continuous flow process for production of semiconductor nanocrystals  
Provided is a system and continuous flow process for producing monodisperse semiconductor nanocrystals comprising reservoirs for the starting materials, a mixing path in which the starting...
6080374 Centrifugal crystallization refining apparatus  
An apparatus for performing centrifugal crystallization of organics, which unifies all the individual steps for the removal of impurities into a single operation. The apparatus consists of two...
6060028 Apparatus for dry fractionation of fats and oils  
An apparatus for formation of fat crystals by standing, which has a container, distribution pipes and crystallization trays arranged in parallel, the container being divided into plural...
5344618 Crystal refining apparatus  
A crystal refining apparatus having a refining column containing a plurality of vertical shafts having screw blades provided therearound. Each blade rotates in a opposite direction, thereby...
5338519 Process and apparatus for separating substances by crystallization  
A process is provided for the separation of substances by melt crystallization. The organic mixtures which are difficult to crystallize are heated to a temperature sufficient to obtain a melt with...
5292486 Crystal pulling method and apparatus for the practice thereof  
A method and an apparatus are proposed for pulling crystals from the melt. The recharging of the melt (4) is performed such that the crucible (3) is raised and lowered with respect to the crystal...
5290395 Method of and apparatus for preparing single crystal  
A method and an apparatus for pulling a compound single crystal from a raw material molten solution is constructed to cause the solution to flow into a second crucible provided in a first crucible...
5288366 Method for growing multiple single crystals and apparatus for use therein  
A method for growing multiple high-purity single crystals from a replenished melt by maintaining the purity of molten source material in the melt held in a crucible in a furnace of the type used...
5266284 Arrangement for carrying out crystal growing experiments under conditions of weightlessness  
An arrangement for mixing fluids and for growing crystals by the vapor diffusion method under conditions of weightlessness has an exterior housing containing a mixing part and a reaction part. The...
5229083 Method and apparatus for crystal ribbon growth  
Crystals are grown in ribbon shapes by an apparatus for supporting a film of source material, capacitive electrodes contacting the film and heat pipes in thermal contact with the electrodes for...
5213772 Apparatus for forming silver halide grains  
An apparatus for forming silver halide grains comprises a reaction vessel for causing the nucleus formation and the crystal growth of silver halide grains. The apparatus further includes: a mixer...
5178840 Single wafer regrowth of silicon  
A wafer chuck is used to support a circular silicon wafer, which was formed from a single wafer casting process, in order to perform monocrystalline silicon regrowth. The cast wafer, having a...
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...
5078975 Drop deployment system for crystal growth apparatus  
This invention relates to a crystal growth apparatus (10) generally used for growing protein crystals wherein a vapor diffusion method is used for growing the crystals. In this apparatus, a...
5068092 Crystallizer, process and apparatus for producing sodium chloride crystals  
Disclosed is a flow-through sodium chloride crystallizer comprised of a vertically-oriented crystallizer body having at least two segments of different cross-sectional area, at least two inlets for...
5037622 Wet-tip die for EFG crystal 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...
4968491 Apparatus for performing epitaxial growth of ZNSE crystal from melt thereof  
In conducting a liquid phase epitaxial growth of a Zn crystal on a substrate wherein a batch of Se melt serving as a solvent is used and relying on a vapor pressure controlling technique and a...
4940568 Arrangement for the continuous melting of granulated silicon for a band-drawing method  
For the continuous melting of silicon granulate for a band drawing method, a melt reservoir in communication with the melt crucible based on the principle of communicating vessels, is provided in...
4919900 System for crystal growth, particularly for space vessel  
A system for crystallogenesis by diffusion, intended in particular for use on board a space ship, and in which a substance to be crystallized contained in a crucible (18) is brought into contact...
4806318 Apparatus for purifying crystals  
An apparatus for purifying crystals comprises a crystal purifying tower having a transverse cross-section of two partially overlapping circles, stirrers each comprising a rotational shaft passing...
4769139 Apparatus for production of crystallizable carbonaceous material  
A heavy oil such as an atmospheric pressure residue, a reduced pressure residue of petroleum, etc. is heated to 400° to 500° C. to carry out polycondensation and provide a pitch containing...
4678646 Crystallizer  
A crystallizer comprising a mixing zone of an organic solvent containing ions of a metal extracted therein and an aqueous separating solution provided at the upper part of a main crystallizer body,...
4620897 Method for growing multicomponent compound semiconductor crystals  
A method and apparatus for growing crystals of a more than three multicomponents compound semiconductor from its growth solution in which a source material containing at least one solute element is...
4601888 Protection of semiconductor substrates during epitaxial growth processes  
Thermal degradation of compound single crystal substrates (e.g., InP) containing a relatively volatile element (e.g., P) prior to LPE growth has been virtually eliminated by an improved protection...
4557863 Device for collection of proteins in a urinal and method of use  
The invention relates to a device useful when installed in a urinal for collection of urinary proteins. The adsorbent means includes a conduit for gravity feed passage of urine streams. The conduit...
4393806 Boat for the epitaxial growth from the liquid phase  
A boat for use in the epitaxial crystal growth of two layers on multiple substrates includes a structure where the substrates are located in a cavity in a support layer of the crucible structure,...
4374093 Continuous-stream upflow zeolite crystallization apparatus  
A continuous-stream zeolite crystallization apparatus comprising a combination of a tubular reactor, a central stirring element contained therein, ingress and egress means for the reactor for...
4347097 Method and apparatus for producing a multilayer semiconductor device utilizing liquid growth  
A method for performing successive mass production of identical semiconductor devices each having a multi-layer structure consisting of a plurality of epitaxial layers successively deposited on a...
4164429 Process and installation for the production of selected crystallization seeds for use in a sugar refinery  
Process, centrifuge and installation for producing crystallization seeds, as for the sugar industry. A suspension of crystals produced from the seeded solution is subjected to a scheme of...
4094268 Apparatus for growing HgI.sub.2 crystals  
A method and horizontal furnace for vapor phase growth of HgI 2 crystals which utilizes controlled axial and radial airflow to maintain the desired temperature gradients. The ampoule containing...
4056364 Two stage continuous crystallization apparatus with controls  
A crystallizable solute is crystallized from a solution containing the same by introducing a solution of said solute into a first stage evaporative-crystallization zone together with seed solute...
4051208 Process for the conversion of liquid phases of non-metallic substances, especially polymerizable or crystallizable substances, into solid phases  
A system for the conversion of liquid phases of non-metallic substances into solid phases, especially polymerizable or crystallizable substances, provides a reaction chamber in the form of an...
4036595 Continuous crystal growing furnace  
A crystal growing furnace is provided wherein the molten material in the crucible is replaced constantly as it is withdrawn by a monitoring system which automatically maintains the level in the...
3961904 Crystallization apparatus  
A crystallization vessel is provided which includes an elutriation column having an outlet at an upper end thereof and an inlet at a lower end thereof which inlet is in communication with a body of...
3960501 Apparatus for growing crystals from hydrothermal solutions  
An apparatus for growing crystals from hydrothermal solutions comprises a vertically extending autoclave having a crystallization zone in its top portion and a dissolution zone in its bottom...
3953174 Apparatus for growing crystalline bodies from the melt  
The invention is an improved apparatus for use in a system for growing crystalline bodies from the melt. The apparatus has a novel crucible die assembly in which the dies are located in cavities in...
3880593 Crystallization apparatus  
A crystallization apparatus with a closed cylindrical tank has radial dividing walls in the lower tank portion to define therebetween a plurality of compartments ranging from a first compartment...
3859052 CRYSTALLIZATION APPARATUS HAVING PRESSURE-LIQUID LEVEL CONTROL MEANS  
Crystals are derived from a solution of a crystallizable compound by a thermal circulation system comprising upper and lower chambers, one chamber being under vacuum, the other under conditions...
3785777 APPARATUS FOR THE UNIFORM PREPARATION OF SILVER HALIDE GRAINS  
An apparatus for its practice are disclosed where, uniformly sized silver halide grains are precipitated in an aqueous peptizer solution by the reaction of a silver salt solution with a halide salt...
3617382 MIXING APPARATUS AS USED IN MASS AND HEAT TRANSFER PROCESSES  
Mixing apparatus includes a bank of spaced parallel baffles, extending horizontally, vertically or at an angle, closure means providing with the baffles a tortuous flow path through the bank, and...
3607115 CRYSTAL PULLING FROM MOLTEN MELTS INCLUDING SOLUTE INTRODUCTION MEANS BELOW THE SEED-MELT INTERFACE  
An apparatus and method are disclosed for growing crystals from a melt of a molten solvent metal that is saturated with a solute. Heat is withdrawn through a seed contacting the surface of the melt...
Matches 1 - 50 out of 67 1 2 >