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7168935 Solid freeform fabrication apparatus and methods  
An apparatus for formation of a three dimensional object comprising a sealed container; an electron beam subsystem capable of directing energy within said container; a positioning subsystem...
7001709 Method of drawing a pattern on a base material by scanning a beam  
A method of drawing a pattern on a base material by scanning a beam, comprising: drawing a pattern including ring-shaped zones on a first pattern-drawn field on a base material by scanning a beam...
6989536 Electron-beam writing device and electron-beam writing method  
The present invention aims at providing a device and method for writing a line with a high degree of precision at high speed. Distance calculation means 311 calculates the start-to-end point...
6804288 Electron beam exposure apparatus and electron beam deflection apparatus  
An electron beam exposure apparatus for exposing a pattern to a wafer by a plurality of electron beams, comprising an electron beam generating section for generating a plurality of electron beams,...
6781300 Laser based electron beam gun  
This invention relates to electron guns, each comprising of an indirectly heated cathode, a gate electrode and an anode, for generating electron beams of various shapes and power that are...
6761851 Apparatus and method for hardening metal by varying the engagement between irradiation and metal  
The present invention provides an apparatus for hardening a metal article, comprising a holding device, an energy beam generator pointed at the holding device for directing energy beams at the...
6730370 Method and apparatus for processing materials by applying a controlled succession of thermal spikes or shockwaves through a growth medium  
A method and apparatus for locally raising the temperature of a material in order to facilitate chemical reactions or processes related to growth or removal of the material utilizes an electrode to...
6725522 Method of assembling target and backing plates  
A low temperature target and backing plate bonding process and assemblies made thereby. A plurality of male projections ( 8 ) are formed in one member ( 2 ) of the assembly with a plurality of...
6670570 Methods and apparatus for localized heating of metallic and non-metallic surfaces  
A method of treating an object containing a material of metal, oxidized metal, non-metal, and the like and combinations thereof. The method includes (a) exposing an object to a controlled gas...
6380506 Use of hot carrier effects to trim analog transistor pair  
In this invention hot carrier stress of a transistor allows trimming of an offset voltage of an integrated circuit by producing permanent damage to the transistor by means of interface state...
6365866 Method for beam welding of hardenable steels by means of short-time heat treatment  
The invention concerns a method for beam welding of hardenable steels using a short-time heat treatment. A preferred area of application of the invention is motor vehicle and mechanical...
6252339 Removable bombardment filament-module for electron beam projection systems  
This method and apparatus permit installing and removing an electron beam generating element comprising a filament or a cathode in a rapidly replaceable module. The apparatus is an electron gun...
6145470 Apparatus for electron beam physical vapor deposition  
An apparatus for depositing a ceramic coating by electron beam physical vapor deposition (EBPVD). Ceramic coatings of more uniform thickness over a larger surface area are deposited by increasing...
6036076 Continuous section pipe and pipelike structures  
A system of machined and welded pipe with no connectors or scarfed welds and method to provide a continuous section for pipe and pipe-like structures; displaying electron beam welding for...
5986233 Susceptor heating device for electron beam brazing  
A brazing device and method are provided which locally apply a controlled amount of heat to a selected area, within a vacuum. The device brazes two components together with a brazing metal. A...
5897794 Method and apparatus for ablative bonding using a pulsed electron  
A method and apparatus for bonding a layer of coating or cladding material onto a substrate with minimal bulk heating of the substrate. A pulsed electron beam generator is used to produce high...
5869801 Device for manual electron beam processing of materials in space  
A device for electron beam processing of materials in space designed for the performance of the technical operations of welding, cutting, heating, filler welding, tube welding, brazing, coating...
5611883 Joining ceramics and attaching fasteners to ceramics by gas phase selective beam deposition  
A process for joining solid compositions, comprising placing a first solid composition having a first joining zone and a second solid composition having a second joining zone in a chamber;...
5552675 High temperature reaction apparatus  
A high temperature reaction apparatus for reacting on solid, liquid and gaseous materials to change their state and/or chemical compositions. High temperatures are generated within a reaction...
5514847 Electron beam radiator with cold cathode integral with focusing grid member and process of fabrication thereof  
A first laminated sub-structure having a semiconductor substrate, a lower insulating layer on the semiconductor substrate, emitter electrodes formed in micro-apertures in the lower insulating layer...
5504302 Method and device for the production of optical lenses or the like  
A method for the production of optically operating structures, particularly of lenses and lens arrays and prisms, with which in at least one masking step (MS) a base structure (10) that is...
5459296 Method for the low-maintenance operation of an apparatus for producing a surface structure, and apparatus  
An apparatus for producing surface structures on a drum with an electron beam, comprising beam equipment having a beam generator that generates the electron beam, a focal length adjustment as well...
5418348 Electron beam source assembly  
An electron beam source assembly includes a water cooled crucible positioned substantially flush with the top of the block. A magnet is attached to each long sides of the rectangular block to...
5393953 Electron-beam heating apparatus and heating method thereof  
An electron-beam heating apparatus in which an electron-beam of a stable intensity can be obtained. The apparatus is provided with a heating unit having two electrodes comprising a cathode and an...
5263044 Remelting method for recognition and recovery of noble metals and rare metals  
Method for recognition of noble metals otherwise not recognizable in base material clusters includes using an electron beam furnace in which base material clusters are vaporized by means of an...
5257337 Method of and apparatus for effecting an end-to-end fusion splice between optical fibres  
In effecting an end-to-end fusion splice between two optical fibres, the optical fibres are introduced into opposite ends of two support members so that parts of the optical fibres protrude from...
5252803 Vehicle suspension member and method for making  
A vehicle suspension member such as leaf spring (50) is provided having at least one plate (3) having an irradiation exposed region (R) therein that is generally parallel to a longitudinal axis...
5250779 Method and apparatus for heating-up a substrate by means of a low voltage arc discharge and variable magnetic field  
In order to heat-up a commodity to be heated or a substrate to be coated, uniformly in a vacuum chamber or in a recipient, by means of a gas discharge or low voltage arc discharge, at least one...
5241151 Continuous electron beam irradiation of metal strip  
An electron beam irradiating apparatus continuously irradiates a running metal strip with an electron beam. An electron beam source can deflect the electron beam. At least one standby target is...
5231259 Radiation manufacturing apparatus  
An apparatus and method for reacting on articles of manufacture with radiation such as generated by an electron gun, laser or other means directed against a substrate wherein controlled movement of...
5215623 Blanking aperture array and method of producing same  
A blanking aperture array for use in an electron beam exposure system and a method of producing the same. An electrode layer is formed on a substrate having shift register devices, and then an...
5120925 Methods for device transplantation  
A method for device transplantation includes the conveyance of a microminiature device, which has been premanufactured, to a desired place located on a sample, observation and fabrication of the...
5064989 Surface shaping and finishing apparatus and method  
A method for selectively operating on a substrate by radiation controlled and caused to scan a portion of the surface of an article in such a manner as to selectively produce changes in material at...
5041712 Method for the control of an evaporation process  
A method and apparatus for controlling, regulating and measuirng the particle mass which is evaporated per unit time from a target by a charged particle beam, in particular an electron beam,...
5017317 Gas phase selective beam deposition  
A method and apparatus for selectively depositing a layer of material from a gas phase to produce a part comprising a plurality of deposited layers. The apparatus includes a computer controlling a...
5014420 Fusing together metal particles using a high-frequency electromagnetic field  
Micro-miniature particles of low resistivity material are fused by applying a highly concentrated high-frequency electromagnetic field to the particles. An electrially conductive printed circuit is...
4998004 Electron beam gun  
An improvement in high power electron beam guns including a non-inductive high-voltage cable for supplying power to the gun having barriers for preventing air leakage from inside the cable into the...
4974736 Multi-electron-beam pattern drawing apparatus  
A multi-electron-beam pattern drawing apparatus having a plurality of electron beam sources and a plurality of electron beam sensors, provided on a common base member, is disclosed. The electron...
4959841 Process for reducing contamination of high temperature melts  
A method of reducing contamination caused by high intensity heating of metals is taught. Splatter, vapor droplets and particulate matter is collected to avoid return to the melt. An electric field...
4958426 Fuse terminal manufacturing method  
To obtain a stable adhesion between a fused portion of a fuse terminal and a low fusing point metal, the low fusing point metal is clad or welded by an electron beam to the fused portion of the...
4915750 Method for providing heat resistant domain refinement of electrical steels to reduce core loss  
A method is provided for heat resistant domain refinement of texture annealed and insulation coated grain-oriented silicon steel strip and amorphous magnetic materials by subjecting at least one...
4906326 Mask repair system  
A method and apparatus for inspecting and repairing a mask usable in the manufacture of semiconductor microcircuits, by using an electron beam is disclosed. The inspection and repair of a mask...
4875810 Apparatus for controlling fine particle flow  
An apparatus for controlling a flow of fine particles including a convergent-devergent nozzle in the flow path of the fine particles, and a controller for controlling the discharge of gas from a...
4853514 Beam apparatus and method  
Apparatus and method employ beamed radiation to perform controlled deposition of matter onto a substrate. The apparatus generates an intense electron beam or a laser beam directed through a...
4820898 Ion beam apparatus for finishing patterns  
An apparatus for finishing patterns, for example, masks for chip manufacture is provided with an ion source the ion beam current strength of which can be adjusted at a comparatively low value for...
4818838 Apparatus for preselecting and maintaining a fixed gap between a workpiece and a vacuum seal apparatus in particle beam lithography systems  
Disclosed is a particle beam lithography system (10) having a workpiece loading/unloading position to one side of a particle beam (32) and beam column (12) where a workpiece (14), to be processed,...
4814576 Machining and assembling system using laser beam  
A laser machining and assembling apparatus comprises a plurality of different laser oscillators, laser beam transmission means for transmitting laser beams from the laser oscillators, a plurality...
4778975 Electrical supply circuit for electron beam evaporators  
A circuit for the electrical supply of a plurality of electron beam evaporators has application in heat and thermochemical treatment processes such as welding, fusing, zonal cleaning of materials,...
4731537 Electron beam gun  
An electron beam gun generates an electron beam directed at a target. The gun comprises electrodes for creating an electric field along the direction of beam travel and focusing coils for creating...
4724300 Temperature control in vacuum  
An apparatus 10 and a method are provided for treating silicon wafers 26 in vacuum with an ion beam B and for controlling the temperature of the wafers 26. The wafers 26 are mounted on a drum 22...
Matches 1 - 50 out of 251 1 2 3 4 5 6 >