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4563565 |
Method for forming a peripheral edge on contact lenses
A method of forming edges on contact lenses prepared from laser-machinable, organic polymers wherein the edge is formed by contacting the lens with a laser beam having a wavelength which is...
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4553917 |
Apparatus for production of ultrapure amorphous metals utilizing acoustic cooling
Amorphous metals are produced by forming a molten droplet (115) of metal from source (126) and deploying the droplet into a focused acoustical levitating field or by dropping the unit through...
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4543464 |
Apparatus for scribing semiconductor wafer with laser beam
An apparatus is adapted to scribe a semiconductor wafer with a laser beam in only one direction of an axis. The apparatus includes an XY table for placing the wafer thereon, a laser beam oscillator...
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4541055 |
Laser machining system
A computer controlled apparatus is disclosed for performing a series of laser machining operations on a work piece in an environment comprised of a non-reactive gas with respect to the material of...
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4520261 |
Detector for the deviation of the optical axis in laser processing apparatus
This invention relates to a device for detecting the amount of deviation of the optical axis of laser beams from a predetermined point at which a workpiece is to be processed in a laser processing...
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4504726 |
Pattern generator
A pattern generator in which a workpiece to be machined into a desired pattern shape is held in vacuum and is irradiated with a laser beam condensed to be fine, while scanning the laser beam so as...
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4501949 |
Movable machining chamber with rotatable work piece fixture
Laser machining a work piece in an environment that is non-reactive to the material of which the work piece is made. In particular, the laser machining apparatus includes a chamber for readily...
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4500771 |
Apparatus and process for laser treating sheet material
A reduction in ferromagnetic domain size is obtained with equipment and processes being capable of the high speed laser scribing of ferromagnetic sheet material. The invention involves the elastic...
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4497995 |
Apparatus for continuously advancing and welding metal can bodies and the like
An apparatus is disclosed for continuously forming and laser welding metal can bodies and the like. The apparatus comprises a former for successively forming flat sheets of metal into generally...
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4492844 |
Welding plates for a fuel rod grid
Welding plates for laser beam welding of a fuel rod grid are provided, each welding plate having a surface with a set of equally spaced, parallel grooves and with a second set of such grooves...
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4468534 |
Method and device for cutting glass
A method and device is described for cutting a stationary sheet of glass such as tempered glass using a single, moving laser beam which impinges the glass at right angles to produce a clean cut...
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4465919 |
Cutting apparatus for three-dimensional mouldings
The present apparatus for trimming the edges and for cutting holes into three-dimensional hollow work pieces comprises few components and may be easily modified or retooled for use on molded work...
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4461945 |
Filter leaf and method and apparatus for making same
A filter leaf includes a continuous, elongated closure member, a first screen welded around its entire periphery to one side of the member, and a second screen welded around its entire periphery to...
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4461946 |
Apparatus for clamping an assembly of parts for laser welding
An assembly of top and bottom plates spaced apart vertically by peripheral and intermediate spacer bars forming a shelf of freeze drying or other processing equipment, is held together on a movable...
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4459458 |
Machine tool with laser heat treating
A machine tool (10) for removing metal from a workpiece (20) including a laser (14) for surface heat treating of the workpiece (20). Tools which engage the workpiece (20) for metal removal are...
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4443684 |
CO2 Laser machining apparatus
A CO2 laser machining apparatus, has a CO2 laser oscillator connected with a condenser through a flexible cable including a fiber bundle for transmitting infrared rays of 10.6 micrometers therein.
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4436979 |
Apparatus for continuous laser welding
An apparatus for continuous laser welding adjacent longitudinally extending of generally tubular shaped members is disclosed. The apparatus comprises a Z-bar guide for positioning and guiding the...
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4417125 |
Laser processing machine
The present invention relates to a laser processing machine. A table supports a workpiece to be processed at a work area. A processing head assembly is arranged above the table. A nozzle is...
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4412120 |
Machine for cutting sheet material
In a machine for cutting sheet material by means of a laser beam, the sheet material is placed on a support constituted by a container which moves on a table of the machine while rolling on support...
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4403134 |
Method and apparatus for cutting by means of a laser beam
A device for cutting workpieces, for example at a work station or place over which the workpiece is movable comprises a laser beam device for directing a laser beam at the workpiece at the...
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4378482 |
Electron-beam stage X-Y positioning instrumentation
Electron-beam stage X-Y positioning instrumentation is provided. The electron-beam stage has a number of metal blocks affixed to its bottom. Fixed orthogonal noncontact gage heads are used to sense...
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4375025 |
Laser strip marker
The system disclosed herein is a high speed method and apparatus for presenting parts to a laser beam for marking the parts. The apparatus is capable of feeding at adjustable rates, various sizes...
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4365136 |
Zone refinement of inertia welded tubulars to impart improved corrosion resistance
Corrosion resistance of tubular metal products is enhanced, and particularly to welds formed between metal tubes or pipes and threaded ends.
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4358658 |
Laser weld jig
A system is provided for welding a workpiece (10, FIG. 1) along a predetermined weld line (12) that may be of irregular shape, which includes the step of forming a lip (32) on the workpiece to...
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RE31042 |
Laser cutting head attachment for punch presses
A turret punch machine tool equipped with controlled automatic x-y axis workpiece movement mechanisms for moving the workpiece over a stationary work table section adjacent a punching station is...
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4350867 |
Fusion splicing of multi-layer optical fiber bundles
First and second optical fiber groups, each composed of optical fibers in layers, are held by alignment mating means, with the optical fibers placed at predetermined positions and end faces of...
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4349719 |
Apparatus for laser perforation of transported articles
Perforations are made at locations spaced about the periphery of a cigarette by conducting separate parts of a laser beam through respective separate light paths which intersect such spaced...
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4346284 |
Dual path web transport and processing apparatus with radiant energy directing means
An apparatus and method for processing a sequence of webs by exposure to radiant energy. The apparatus includes structure defining a pair of independent transport paths and apparatus for emitting...
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4341943 |
Method of butt welding sheet metal
A method of positioning and guiding two edges of thin sheet metal in such a manner that the edges are urged into overlapping relationship with each other under pressure and are continuously moved...
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4338508 |
Inscribing apparatus and methods
Apparatus and methods for inscribing workpieces for the fabrication of masks and direct fabrication of microcircuits are described. The invention is primarily concerned with correcting for...
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4335296 |
Machine tool with a laser beam cutting device
A machine tool comprising at least one vertically reciprocating tool, such as a punch or the like, and a laser beam cutting device for cutting a workpiece thereunder positioned by a coordinate...
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4330208 |
Process and apparatus for regulating the impact of a light beam on a target
Process and apparatus for regulating the impact on a target of a light beam emitted by a source. The position and dimension of the impact are regulated by respectively using two beams, whose...
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4328410 |
Laser skiving system
A process and apparatus for selectively removing a plastic layer laminated to a metal substrate. A high intensity laser beam is precisely directed to open areas of a thin metallic mask overlying...
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4327275 |
Laser welding of an electron gun
A method of assembling an electron gun, which method permits welding of a number of welding points to be effected simply, in a short period of time and without causing mechanical distortion in...
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4324973 |
Energy beam drilling apparatus having optical fiber link position sensor
Disclosed is an electron beam drilling system wherein an optical fiber link is used to prevent deviant drilling. The position of fixtures within a vacuum chamber is monitored by alignable fiber...
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4323755 |
Method of making a machine-readable marking in a workpiece
A method for producing a machine-readable coded marking in the surface of a workpiece comprising vaporizing sequentially the surface portions of selected ones of a series of contiguous areas of...
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4319122 |
Synchronous arrangement and method for heat treating workpieces
A method and arrangement for spot welding the anode structure of a succession of alkaline primary batteries with a focused beam of radiation generated by a stationary laser as the batteries are...
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4319120 |
Method and apparatus for the control of shielding gases used in power laser processes
In order to remove the plasma cushion and loose metal material created by the action of the laser on a metal workpiece, a shielding gas jet is directed from a nozzle across the workpiece surface...
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4317021 |
Laser cutting apparatus for nuclear core fuel subassembly
The object of the invention is to provide a system and apparatus which employs laser cutting to disassemble a nuclear core fuel subassembly.The apparatus includes a gantry frame (C) which straddles...
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4317023 |
Method of making slotted well screen
Plastic well screen has tapered, undercut slots formed by a laser beam focused through a lens having its focal point located at or slightly away from the surface of the plastic cylinder being...
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4315133 |
Apparatus protecting a lens from airborne particulates
During scribing of a ceramic plate with a laser beam, ceramic particles rise from the workpiece in a direction of motion that is generally the same as that of the workpiece. The lens on a laser...
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4303824 |
Method and apparatus protecting a lens from airborne particulates
During scribing of a ceramic plate with a laser beam, ceramic particles rise from the workpiece in a direction of motion that is generally the same as that of the workpiece. The lens on a laser...
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4288680 |
Apparatus for cutting mould notches for strip steel cutting tools
Apparatus for cutting notches in the outer surface of a cylindrical drum includes a machine frame, and a laser cutting set which provides a laser beam to cut the notches in the drum. The notches...
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4281670 |
Apparatus for increasing the permeability of wrapping material for rod-shaped smokers products
Webs which are to be converted into wrappers for filter rod sections, cigars, cigarillos or cigarettes, or the wrappers of such articles, are perforated by one or more laser beams in the machine...
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4265254 |
Apparatus for perforating cigarette paper or the like
Apparatus for perforating a web of wrapping material or tubular wrappers of discrete filter cigarettes of unit length or double unit length in a filter tipping machine has a laser which is...
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4263495 |
Method of splicing optical fibers by CO2 -laser
A method of permanently joining or splicing optical fibers containing a fused silica or fused quartz fiber as a main component and having a high softening temperature by using a CO2 -laser with...
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4237363 |
Beam welding apparatus and method
An apparatus and method are provided for welding portions of members disposed in edgewise abutment or overlapping relationship by means of a high intensity beam of radiation such as a laser beam or...
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4229232 |
Method involving pulsed beam processing of metallic and dielectric materials
A pulsed beam generator produces a short duration pulsed beam for thermal processing of selected regions of metallic and dielectric materials. The pulse beam is directed towards the material and...
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4219719 |
Method and apparatus for automatically positioning a workpiece relative to a scanning field or mask
A method for automatically positioning a workpiece having at least one marking, specifically a wafer for integrated circuits which is to be processed in a charged-particle beam apparatus, relative...
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4215694 |
Laser therapy apparatus
A laser therapy apparatus comprising a radiating source, a control system of said radiating source, which system is connected to said source, a mechanical beam shifting scanner connected to said...
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