US2316595A - Photographic plate or film for the investigation of bodies or substances by means of neutrons - Google Patents
Photographic plate or film for the investigation of bodies or substances by means of neutrons Download PDFInfo
- Publication number
- US2316595A US2316595A US262306A US26230639A US2316595A US 2316595 A US2316595 A US 2316595A US 262306 A US262306 A US 262306A US 26230639 A US26230639 A US 26230639A US 2316595 A US2316595 A US 2316595A
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- US
- United States
- Prior art keywords
- neutrons
- layer
- investigation
- bodies
- substances
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03C—PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
- G03C1/00—Photosensitive materials
- G03C1/005—Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein
- G03C1/06—Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein with non-macromolecular additives
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S430/00—Radiation imagery chemistry: process, composition, or product thereof
- Y10S430/154—Neutron beam
Definitions
- Bodies or substances including for example living tissues, which scatter or absorb neutrons, may be investigated by mean's of neutrons, and preferably by means of slow neutrons (that is to say neutrons the de Broglie wave of which is of modiiied embodiments of the invention. approximately equal to or larger than the diam- In the gures, 2 represents a photographic eter of the nucleus of the substance being examemulsion and 3 represents a supporting layer. In ined) by exposing the substance to the neutrons Fig.
- 1, l is a layer comprising a substance capaand causing the neutrons which emerge from the ble of reacting with neutrons to produce charged substance to act on a layer of a material in 1o particles, for example, a substance containing which a reaction takes place in which are prolithium or boron atoms, and a binder soluble in Jerusalem heavy charged particles, or positively or a solvent which does not affect the photographic negatively-charged electrons, the heavy particles emulsion or in the liquids used in the photoor electrons being caused to act on an adjacent graphic development process.
- photographically-sensitive layer directly as de- In Fig. 2, 4 is a layer similar to layer I of Fig. 1 scribed in the specification of application No. but containing also a fluorescent material.
- I is a layer similar to layer l of Fig. photographically-sensitive layer associated with 1, and 5 is a layer comprising a fluorescent maa uorescent material as described in the speciterial and a binder having the same properties iication of application No. 197,928, now U. S. as the binder of layer l. Patent No. 2,188,115.
- the intermediate tained the nature of our said invention and in layer that gives off the heavy particles or the what manner the same is to be performed, we electrons, or the fluorescent material or both is declare that what we claim is: Y or are applied to the photographically-sensitive A photographic plate or lm for use in the layer in the form of a liquid which is allowed to investigation of materials by means of neutrons set, the liquid comprising tne intermediate layer comprising a supporting layer, a layer of photoor the fluorescent material suspended in or mixed graphic emulsion on said supporting layer and with a binder which dissolves in solvents which a layer comprising a substance capable of reactdo not have an adverse effect on the photographing with neutrons to generate charged particles ically-sensitive layer and its support or in any and a binder substance, the binder substance liquid which the photographic layer is treated being soluble ina liquid Capable 0f developing the with during the whole photographic process sumphOtOglaPhiC layermarized as development, of reducing
- Fig. 1 is a diagrammatic representation of a photographic plate or lm embodying the invention.
- Figs. 2 and 3 are diagrammatic representations Formerly known as Hartmut Kallmaun.
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- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- General Physics & Mathematics (AREA)
- Conversion Of X-Rays Into Visible Images (AREA)
- Luminescent Compositions (AREA)
Description
April 13, 1943. I l 2,316,595
HARTMUT lsRAl-:L KALLMANN, FoRMl-:RLY
- KNOWN AS HARTMUT KALLMANN, PHOTOGRAPHIC PLATE OR FILM FOR THE INVESTIGATION OE' BODIES OR SUBSTANCES BY MEANS OF NEUTRONS Filed March 16, 1939 WWII/III),
Patented Apr. 13, 1943 PHOTOGRAPHIC PLATE OR FILM FOR. THE
INVESTIGATION OF BODIES OR SUB- STANCES BY MEANS OF NEUTRON S Hartmut Israel Kallmann, formerly known as Hartmut Kallmann, Berlin-Charlottenburg, Ernst Kuhn, Berlin, and John Eggert, Leipzig. Germany; vested in the Alien Property Custodian Application March 16, 1939, Serial No. 262,306 In Hungary March 23, 1938 1 Claim.
Bodies or substances including for example living tissues, which scatter or absorb neutrons, may be investigated by mean's of neutrons, and preferably by means of slow neutrons (that is to say neutrons the de Broglie wave of which is of modiiied embodiments of the invention. approximately equal to or larger than the diam- In the gures, 2 represents a photographic eter of the nucleus of the substance being examemulsion and 3 represents a supporting layer. In ined) by exposing the substance to the neutrons Fig. 1, l is a layer comprising a substance capaand causing the neutrons which emerge from the ble of reacting with neutrons to produce charged substance to act on a layer of a material in 1o particles, for example, a substance containing which a reaction takes place in which are prolithium or boron atoms, and a binder soluble in duced heavy charged particles, or positively or a solvent which does not affect the photographic negatively-charged electrons, the heavy particles emulsion or in the liquids used in the photoor electrons being caused to act on an adjacent graphic development process. photographically-sensitive layer directly as de- In Fig. 2, 4 is a layer similar to layer I of Fig. 1 scribed in the specification of application No. but containing also a fluorescent material. 197,929, now U. S. Patent No. 2,186,757, or on a In Fig. 3, I is a layer similar to layer l of Fig. photographically-sensitive layer associated with 1, and 5 is a layer comprising a fluorescent maa uorescent material as described in the speciterial and a binder having the same properties iication of application No. 197,928, now U. S. as the binder of layer l. Patent No. 2,188,115. Having now particularly described and ascer- According to the invention the intermediate tained the nature of our said invention and in layer that gives off the heavy particles or the what manner the same is to be performed, we electrons, or the fluorescent material or both is declare that what we claim is: Y or are applied to the photographically-sensitive A photographic plate or lm for use in the layer in the form of a liquid which is allowed to investigation of materials by means of neutrons set, the liquid comprising tne intermediate layer comprising a supporting layer, a layer of photoor the fluorescent material suspended in or mixed graphic emulsion on said supporting layer and with a binder which dissolves in solvents which a layer comprising a substance capable of reactdo not have an adverse effect on the photographing with neutrons to generate charged particles ically-sensitive layer and its support or in any and a binder substance, the binder substance liquid which the photographic layer is treated being soluble ina liquid Capable 0f developing the with during the whole photographic process sumphOtOglaPhiC layermarized as development, of reducing the activated compounds of silver and/or of dissolving the HARTMUT ISRAEL KALLMANN.
nonactivated compounds of silver.
The invention will be more particularly described with reference to the accompanying drawing in which:
Fig. 1 is a diagrammatic representation of a photographic plate or lm embodying the invention; and
Figs. 2 and 3 are diagrammatic representations Formerly known as Hartmut Kallmaun.
ERNST KUHN. JOHN EGGERT.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
HU2316595X | 1938-03-23 |
Publications (1)
Publication Number | Publication Date |
---|---|
US2316595A true US2316595A (en) | 1943-04-13 |
Family
ID=11003778
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US262306A Expired - Lifetime US2316595A (en) | 1938-03-23 | 1939-03-16 | Photographic plate or film for the investigation of bodies or substances by means of neutrons |
Country Status (1)
Country | Link |
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US (1) | US2316595A (en) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2428818A (en) * | 1944-11-20 | 1947-10-14 | Simons Harry Davis | Photographic apparatus |
US2507431A (en) * | 1945-05-17 | 1950-05-09 | Anne F Goddard | Indirect photomechanical reproduction |
US2579243A (en) * | 1945-04-13 | 1951-12-18 | Allen F Reid | Method for the production of radioactive isotopes |
US2815284A (en) * | 1952-04-10 | 1957-12-03 | Photographica G M B H | Developers for photographic silver halide papers |
US2887379A (en) * | 1955-05-31 | 1959-05-19 | Du Pont | Photographic elements |
US3152252A (en) * | 1964-03-20 | 1964-10-06 | Powder Melting Corp | X-ray films and the like |
US3237009A (en) * | 1963-03-29 | 1966-02-22 | Gen Dynamics Corp | Method and device for radiography with neutrons of thermal energies |
-
1939
- 1939-03-16 US US262306A patent/US2316595A/en not_active Expired - Lifetime
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2428818A (en) * | 1944-11-20 | 1947-10-14 | Simons Harry Davis | Photographic apparatus |
US2579243A (en) * | 1945-04-13 | 1951-12-18 | Allen F Reid | Method for the production of radioactive isotopes |
US2507431A (en) * | 1945-05-17 | 1950-05-09 | Anne F Goddard | Indirect photomechanical reproduction |
US2815284A (en) * | 1952-04-10 | 1957-12-03 | Photographica G M B H | Developers for photographic silver halide papers |
US2887379A (en) * | 1955-05-31 | 1959-05-19 | Du Pont | Photographic elements |
US3237009A (en) * | 1963-03-29 | 1966-02-22 | Gen Dynamics Corp | Method and device for radiography with neutrons of thermal energies |
US3152252A (en) * | 1964-03-20 | 1964-10-06 | Powder Melting Corp | X-ray films and the like |
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