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4220866 |
Electron applicator
In the illustrated embodiment, an electron collimator is to be mounted on the accessory holder of an electron accelerator. In radiation therapy, the down beam end of the applicator is to contact...
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4209703 |
Source for plasma of large transverse section and constituting an ion accelerator
A plasma source constituting an ion accelerator operating in the presence of an intense magnetic induction for obtaining plasma of large transverse section and comprising a chamber having an inlet...
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4207489 |
Movable extraction electrode for an ion source
The extraction electrode consists of a metallic screen provided with an opening and placed within a vacuum chamber in front of an ion source, the screen being brought to a negative potential with...
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4205232 |
Arrangement for preventing the alteration of the primary beam by unwanted particles, such as sputter products, charged ions and electrons and their secondary processes
An arrangement relating to the prevention of the alteration of the primary beam by unwanted particles, such as sputter products, charged ions and electrons and their secondary processes, and to the...
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4195227 |
Whole body imaging system mechanism
Scanning apparatus is provided for a movable array of highly focused collimators surrounding a scan field.
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4185195 |
Construction of collimators and/or detectors for penetrating radiation
A method of constructing arrays of collimators and/or detectors for penetrating radiation is described. A tape or foil is wound alternatively over and under rods provided in upper and lower sets to...
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4158769 |
Determination of uranium content in material
The content of uranium, in a solution, as extracted from uranium ore by a solution mining technique for example, is determined by measuring the intensity of selected gamma or X radiation emitted by...
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4157475 |
Electron accelerator comprising a target exposed to the electron beam
In order to supply a dose rate which is as constant as possible over the cross section of the x-ray cone for radiation therapy, especially at lesser tissue depths (e.g. 3 cm), the surfaces of the...
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4155010 |
Process for the photo-optical measurement of the absorption behavior of solid, liquid and gaseous media
Process for the photo-optical measurement of the absorption behavior of solid, liquid and gaseous media. A measurement light beam from an optical radiation source is made intermittent by a rotating...
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4152594 |
Apparatus for the photo-optical measurement of the absorption behavior of solid, liquid and gaseous media
An apparatus for the photo-optical measurement of the absorption behavior of solid, liquid and gaseous media. A measurement light beam from an optical radiation source is made intermittent by a...
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4150319 |
Ion gating grid
A grid gates a stream of ions when a D.C. potential is applied between two sets of interdigitated wires included in the grid to produce a D.C. field. The improved grid disclosed herein contains the...
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4140129 |
Beam defining system in an electron accelerator
A beam defining system for an electron accelerator has an adjustable collimator with an accessory holder attached thereto for retaining an electron applicator. The electron applicator has an...
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4136283 |
Tomographic apparatus and method
The present invention relates to a new and improved tomographic visualization apparatus and method. The apparatus includes a camera with a stationary collimator of a radiation dense material with...
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4125776 |
Collimator for X and gamma radiation
A collimator for hard radiation comprising a glass mosaic substrate having a plurality of closely packed glass columns aligned in parallel, each of the columns having a passage longitudinally...
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4114985 |
Shield for high power infrared laser beam
Shielding from and the termination of high power infrared laser beams is accomplished by interception of the beam by one of two spaced, juxtaposed, ceramic sheet members. The beam intercepting...
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4112307 |
Electron beam source with an electron exit window connected via a window flange
An electron beam source with an electron exit window which is connected thereto and which essentially consists of the window frame, of a support grid, optionally provided with cooling lines, for...
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4100418 |
Method of and means for filtering the infrared rays from a source of UV radiation
The ultraviolet and infrared radiation from a source of UV radiation is subjected to the selective infrared radiation-filtering action of steam which transmits the ultraviolet rays while absorbing...
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4095114 |
Arrangement for scattering electrons
An arrangement is provided for scattering electrons in an electron accelerator capable of variable acceleration energies. The arrangement has two scattering foils arranged at a mutual spacing from...
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4090080 |
Imaging
Obtaining information about positional source of, for example, a gamma ray source, by slit collimating and detecting beam components from the source in a multiplicity of varying slit locations, and...
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4087695 |
Method for producing optical baffling material using pulsed electron beams
A method for producing durable optical baffling materials comprising poling to a mirror finish the surface of a starting material, preferably having a very fine-grained structure, and then...
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4085022 |
Method and apparatus for controlling the removal, by means of ion etching, of a thin layer from a substrate
A method for controlling the removal, by means of ion etching, of a thin layer or regions of the layer as determined by masks, from a substrate of a sample which has a chemical composition...
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4075481 |
Medical-analytical gas detector
A gas analyzer is provided which is particularly suited for making transcutaneous measurement of the CO 2 concentration in the blood. In accordance with one embodiment of the invention, sample...
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4068122 |
Isotope analysis
The difference in concentration of a selected isotope in two materials is measured by directing beams of the materials toward the inlet of a mass spectrometer. A shutter is positioned in each beam...
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4057726 |
Collimator trans-axial tomographic scintillation camera
A collimator is provided for a scintillation camera system in which a detector precesses in an orbit about a patient. The collimator is designed to have high resolution and lower sensitivity with...
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4055770 |
Collimator arrangement for a beam of accelerated charged particles
A collimator arrangement, which, in association with a charged particle accelerator, makes it possible to produce a uniform irradiation beam throughout a predetermined zone, comprises: a first...
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4053808 |
Electron beam collimator
An electron beam collimator formed by two pairs of multi-leaved corner plates connected by slideable members permitting the dimensions of the collimator to be altered.
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4049987 |
Ozone absorbance controller
An ozone absorbance controller for use with an ultraviolet light source, which includes a vented, trapped gas filter disposed in the optical emission path of said ultraviolet light source to absorb...
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4047037 |
Gamma ray camera for nuclear medicine
An improved gamma camera arrangement wherein the spatially defined acceptance of gamma radiation from a source distribution of clinical interest is enhanced by a unique collimator structure....
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4035522 |
X-ray lithography mask
An X-ray mask for variable resist exposure for use with X-ray lithography so that multi-level devices, using a single exposure of X-rays, can be made.
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4029966 |
Radiation-detecting devices and apparatus
A radiation-detecting device which is mounted on a gas-turbine engine to receive radiations from the afterburner combustion-zone, includes a gas-filled electrical discharge tube that is located...
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4025795 |
Ultraviolet light processor having rotating shutters
Ultraviolet light processors are provided with rotating cylindrical shutters which, depending upon their position, hinder or permit impingement of ultraviolet light upon a workpiece. The rotary...
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4017730 |
Radiographic imaging system for high energy radiation
A radiographic imaging system for high energy radiation utilizing a detector of such radiation and a mask having regions relatively transparent to such radiation interspersed among regions...
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4014109 |
Test apparatus for nuclear imaging devices
A single test phantom for evaluating the scan of a nuclear imaging device is provided which comprises a container having a sealed cavity therein, the outer walls simulating the outline of a human...
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4001591 |
Scintillation camera and head therefor having means for improving resolution over a limited field of view
A head for a scintillation camera has a planar scintillating crystal that responds to radiation stimuli by producing light events whose spatial distribution corresponds to the spatial distribution...
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3997794 |
Collimator
A radiation collimator having a plurality of pivotally mounted collimating tubes, with adjusting mechanism for simultaneously adjusting the tubes relative to each other to various selected...
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3988153 |
Method of forming a thin film iris diaphragm for a corpuscular beam apparatus
A method of forming an iris diaphragm for use in a corpuscular beam apparatus and having a thin metal layer with at least one opening and an integral reinforcing portion of the same metal which is...
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3988585 |
Three-dimensional rectilinear scanner
A rectilinear scanner for detecting radiation in a plurality of channels utilizing a collimator. Each of the channels receives information from a different portion of the collimator. Information...
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3987281 |
Method of radiation therapy treatment planning
A technique of radiation therapy treatment planning designed to allow the assignment of dosage limits directly to chosen points in the computer-displayed cross-section of the patient. These dosage...
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3963935 |
Shutter designed to block high-energy particle beams
A shutter designed for temporarily closing off an opening O A formed in the wall P of an irradiation room, for the passage of a particle beam, comprises a cylindrical metal block K which can...
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3952324 |
Solar panel mounted blocking diode
An isolation or blocking diode for mounting alongside solar cells in solar cell panels such as used in flexible roll-up, rigid flat and cylindrical arrays, the diode having the thickness and shape...
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3942019 |
Electron collimator
An electron collimator is formed by two pairs of multi-leaved corner plates which are capable of simultaneous movement to alter the dimension of the collimator in two dimensions. In a preferred...
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3936340 |
Method for making corrugated collimators for radiation imaging devices
Disclosed is a method for making corrugated collimators for radiation imaging devices. Strips of lead foil are corrugated in a pair of gear-like members, and the corrugated strips are mounted...
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3930318 |
Ultraviolet curing machine
This invention relates to a conveyor for transporting sheets of material through an ultraviolet exposing chamber for curing and setting of a coat. Up to this time, the drying of solvent ink has...
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3925677 |
Platinum oxide lithographic masks
Because of the advantages it offers over wet chemical processing, sputter etching is an attractive process for making dimensionally-controlled high-resolution lithographic masks. This process needs...
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3916195 |
Non-dispersive multiple gas analyzer
A gas analyzer for measuring separately the quantities of two or more gas species present in a sample. The analyzer uses a rotating gas cell having a pair of chambers which are alternately inserted...
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3914614 |
Apparatus and method for facilitating alignment of a collimator
Method and apparatus for alignment of a collimator in a scintillation camera system. First coarse alignment apparatus includes an alignment plunger coordinated with a first mating member. A recess...
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RE28571 |
Attenuated light coupling between scintillation and photomultiplier
A radiation image device having a scintillator, a plurality of photomultiplier tubes positioned to receive light from the scintillator and a light conductor between the scintillator and the...
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3911275 |
Infrared detection system and windows used therein
An infrared detection system is described that embodies an improved glass window for transmitting infrared radiation to a heat sensitive detection element in the system. The window is produced from...
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3906237 |
Ion gauges
An ion gauge in which the collector is arranged outside the ionisation region and the ions representing the gas pressure are extracted from the ionisation region via an aperture in an X-ray screen...
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3892971 |
Radiation detector system using an inorganic scintillator crystal detector with an optical filter for aerial dosemetry
A radiation detector system used in aerial dosimetry in which an inorganic cintillation crystal detector and spectral filter are coupled to a photomultiplier tube and the requisite electronic...
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