CN110592669A - Logging high-temperature-resistant packaged lanthanum bromide crystal and packaging method thereof - Google Patents
Logging high-temperature-resistant packaged lanthanum bromide crystal and packaging method thereof Download PDFInfo
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- CN110592669A CN110592669A CN201910994329.7A CN201910994329A CN110592669A CN 110592669 A CN110592669 A CN 110592669A CN 201910994329 A CN201910994329 A CN 201910994329A CN 110592669 A CN110592669 A CN 110592669A
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- crystal
- shell
- lanthanum bromide
- temperature
- light guide
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- 239000013078 crystal Substances 0.000 title claims abstract description 106
- XKUYOJZZLGFZTC-UHFFFAOYSA-K lanthanum(iii) bromide Chemical compound Br[La](Br)Br XKUYOJZZLGFZTC-UHFFFAOYSA-K 0.000 title claims abstract description 37
- 238000004806 packaging method and process Methods 0.000 title claims abstract description 22
- 238000000034 method Methods 0.000 title claims abstract description 15
- 238000007789 sealing Methods 0.000 claims abstract description 56
- 239000011521 glass Substances 0.000 claims abstract description 35
- 239000003292 glue Substances 0.000 claims abstract description 13
- 238000005538 encapsulation Methods 0.000 claims abstract description 7
- 239000000565 sealant Substances 0.000 claims description 10
- 229910052594 sapphire Inorganic materials 0.000 claims description 6
- 239000010980 sapphire Substances 0.000 claims description 6
- 238000003466 welding Methods 0.000 claims description 5
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 2
- 239000000741 silica gel Substances 0.000 claims description 2
- 229910002027 silica gel Inorganic materials 0.000 claims description 2
- 230000035939 shock Effects 0.000 abstract description 4
- 239000003208 petroleum Substances 0.000 abstract description 2
- 230000002285 radioactive effect Effects 0.000 abstract description 2
- 239000011435 rock Substances 0.000 abstract 2
- 239000000853 adhesive Substances 0.000 description 4
- 230000001070 adhesive effect Effects 0.000 description 4
- 230000003139 buffering effect Effects 0.000 description 4
- 229920001296 polysiloxane Polymers 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical group [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 1
- 239000002390 adhesive tape Substances 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000009206 nuclear medicine Methods 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- -1 polytetrafluoroethylene Polymers 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C30—CRYSTAL GROWTH
- C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
- C30B29/00—Single crystals or homogeneous polycrystalline material with defined structure characterised by the material or by their shape
- C30B29/10—Inorganic compounds or compositions
- C30B29/12—Halides
-
- C—CHEMISTRY; METALLURGY
- C30—CRYSTAL GROWTH
- C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
- C30B33/00—After-treatment of single crystals or homogeneous polycrystalline material with defined structure
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
- G01T1/00—Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
- G01T1/16—Measuring radiation intensity
- G01T1/20—Measuring radiation intensity with scintillation detectors
- G01T1/202—Measuring radiation intensity with scintillation detectors the detector being a crystal
- G01T1/2023—Selection of materials
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
- G01T3/00—Measuring neutron radiation
- G01T3/06—Measuring neutron radiation with scintillation detectors
Landscapes
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
- High Energy & Nuclear Physics (AREA)
- Molecular Biology (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Inorganic Chemistry (AREA)
- Sealing Material Composition (AREA)
Abstract
The invention provides a logging high-temperature-resistant packaged lanthanum bromide crystal and a packaging method thereof, relates to the technical field of crystal packaging, and mainly aims to provide a lanthanum bromide packaged crystal with better shock resistance and high temperature resistance. This high temperature resistant encapsulation lanthanum bromide crystal of logging well, including crystal, top cap, sleeve pipe and sealed lid, wherein: the top cover is of a tubular structure with two open ends, light guide glass is welded at the opening at one end of the top cover, and the other end of the top cover is fixedly connected with the sleeve through high temperature resistant glue so as to form a shell for containing the crystal; the outer side of the crystal is wrapped with a tetrafluoro belt so that only one side of the crystal facing the light guide glass is exposed; the sealing cover is in threaded connection with the sleeve, and a sealing glue is coated at the joint of the sealing cover and the sleeve. The invention is used for petroleum logging instruments, and is used for detecting the intensity of radioactive elements contained in well wall rock stratums so as to analyze the geological structure of the rock stratums.
Description
Technical Field
The invention relates to the technical field of crystal packaging, in particular to a logging high-temperature-resistant packaged lanthanum bromide crystal and a packaging method thereof.
Background
The lanthanum bromide crystal can be excited to emit fluorescence pulses when high-energy rays or radioactive particles pass through the lanthanum bromide crystal. The lanthanum bromide crystal is widely applied to the fields of petroleum detection, nuclear medicine, high-energy physics, safety inspection and the like, and is an indispensable material for related high-tech industries.
Lanthanum bromide crystals are easy to deliquesce or crack, and are very easy to cause problems when being impacted by external force or subjected to temperature change, so that the external harsh use conditions can be met by precise packaging.
Disclosure of Invention
The invention aims to provide a logging high-temperature-resistant packaged lanthanum bromide crystal and a packaging method thereof, so as to solve the technical problem that the packaged lanthanum bromide crystal in the prior art is not shock-resistant.
In order to realize the purpose, the invention provides a method for packaging a logging high-temperature-resistant packaged lanthanum bromide crystal, which comprises the following steps:
(1) selecting a tetrafluoro belt to tightly wrap the crystal so that only one surface of the crystal is exposed;
(2) welding light guide glass on the metal sealing tube to form a shell with one open end;
(3) putting the crystal processed in the step (1) into the shell in the step (2), and enabling the exposed surface of the crystal to face the light guide glass, wherein the crystal is tightly attached to the inner wall of the shell;
(4) and taking a sealing cover to be fixedly connected with the shell from the outlet of the shell, thereby encapsulating the crystal.
Because light guide glass fixes on the shell through the welded mode, compare with traditional mode, improved the firm degree of being connected between light guide glass and the shell greatly, also further improved this encapsulation crystal's sealed degree and antidetonation degree.
In the above technical solution, preferably, the light guide glass is sapphire.
In the above technical scheme, preferably, an internal thread is arranged at the opening of the housing, and the sealing cover is in threaded connection with the opening.
In the above technical scheme, preferably, the sealing cover is recessed downwards towards the middle of one side of the housing to form a cavity, and a sealing glue is coated in the cavity.
The sealing cover and the shell are fixedly connected through threads and are connected through sealant in a sticking mode, and the sealing degree of the packaging crystal at the sealing cover is greatly improved.
In the above technical solution, preferably, the housing is further filled with two rigid gaskets sandwiching the elastic gasket.
Through the mutual cooperation of rigid gasket and elastic gasket, the rigid gasket provides the holding power to the crystal, and elastic gasket is used for buffering the impact that the crystal received to weaken the vibrations that the lanthanum bromide crystal received greatly, further improve this encapsulation crystal's shock strength.
In the above technical solution, preferably, a silicone gasket and a retainer ring are further filled on one side of the housing facing the sealing cover.
In the above technical solution, preferably, a high temperature glue is coated between the light guide glass and the crystal.
Compared with the common sealant, the high-temperature adhesive has stronger viscosity at high temperature, and can effectively avoid the reduction of the sealing property of the encapsulated crystal at high temperature by coating the high-temperature adhesive between the light guide glass and the crystal, thereby influencing the experimental result.
The invention also provides a logging high-temperature-resistant packaged lanthanum bromide crystal, which comprises a crystal, a shell and a sealing cover, wherein:
the shell is of a tubular structure with openings at two ends, light guide glass is welded at the opening at one end of the shell, threads are arranged at the other end of the shell, and the sealing cover is fixedly connected with the shell through the threads, so that a containing cavity for containing the crystal is formed; the outer side of the crystal is wrapped with a tetrafluoro belt so that only one side of the crystal facing the light guide glass is exposed; the shell is of an integrated structure; or the shell is formed by fixedly connecting a top cover and a sleeve.
In the above technical solution, preferably, the sealing cover is coated with a high temperature resistant sealant.
By welding the light guide glass on the shell, the firmness of connection between the light guide glass and the shell can be greatly improved, the light guide glass is effectively prevented from falling off, and the strength of the packaging crystal and the sealing degree of the shell are enhanced; the sealing cover and the sleeve are fixed in a double fixing mode of threaded connection and sealant adhesion, and the sealing degree of the packaging crystal is greatly improved.
In the above technical solution, preferably, two rigid gaskets are disposed between the sealing cover and the crystal, and an elastic gasket is interposed between the sealing cover and the crystal.
In the above technical solution, preferably, the elastic pad includes at least one of a wave spring and a disc spring.
In the above technical solution, preferably, the rigid gasket is an aluminum sheet.
In the above-described aspect, preferably, an external thread is provided on an outer peripheral side of the top cover.
Compared with the prior art, the invention provides the well logging high-temperature-resistant encapsulated lanthanum bromide crystal and the encapsulating method thereof, the sealing strength of the position can be greatly improved by welding the light guide glass on the shell, the light guide glass is prevented from being cracked when being vibrated, and in addition, the polytetrafluoroethylene tape wound on the outer side of the crystal can also provide a better buffering effect for the crystal; the sealed lid that is located the crystal other end and the crystal between pack have rigidity gasket and elastic gasket, and this sealed lid carries out dual fixed with the mode that the crystal pasted through threaded connection and sealed glue simultaneously, has not only improved the sealed effect of this encapsulation lanthanum bromide crystal, has also effectively played the buffering effect simultaneously, greatly reduced this lanthanum bromide crystal receive cracked possibility when shaking.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic cross-sectional structure of a well-logging high-temperature-resistant packaged lanthanum bromide crystal according to the present invention;
FIG. 2 is an exploded view of the structure of a well-logging high temperature resistant encapsulated lanthanum bromide crystal according to the present invention;
FIG. 3 is a cross-sectional view of a second structure of a well-logging high temperature resistant encapsulated lanthanum bromide crystal of the present invention.
In the figure: 1. a crystal; 2. a top cover; 21. light guide glass; 3. a sleeve; 4. a sealing cover; 5. a tetrafluoro belt; 6. an elastic pad; 7. a rigid gasket; 8. a silica gel pad; 9. and a retainer ring.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., indicate orientations or positional relationships based on those shown in fig. 1, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be considered as limiting the present invention.
The invention provides a method for packaging a logging high-temperature-resistant packaged lanthanum bromide crystal, which comprises the following steps of:
(1) selecting a tetrafluoro belt 5 to tightly wrap the crystal 1 so that only one surface of the crystal 1 is exposed;
(2) welding the light guide glass 21 on a metal sealing tube to form a shell with one open end;
(3) putting the crystal 1 processed in the step (1) into the shell in the step (2), and enabling the exposed surface of the crystal 1 to face the light guide glass 21, wherein the crystal 1 is tightly attached to the inner wall of the shell;
(4) a sealing cover 4 is fixedly connected with the shell from the outlet of the shell, thereby encapsulating the crystal 1.
Because light guide glass 21 is fixed on the shell through the welded mode, compare with traditional mode, improved the firm degree of being connected between light guide glass 21 and the shell greatly, also further improved this encapsulation crystal's sealed degree and antidetonation degree.
The tetrafluoro belt 5 has high compressibility, is easy to fill up the cavities and grooves on the sealing surface to block the interface leakage, and has the characteristic of rebound expansion when being under tension, so that the higher the internal medium pressure is, the larger the sealing force is. In addition, the tetrafluoro belt 5 has excellent corrosion resistance and aging resistance, and thus can be safely used over a wide temperature range for a long period of time without contaminating the contacted fluid by falling off. When the tetrafluoro belt 5 is used, only the tetrafluoro belt 5 with the required length at one end needs to be cut off, then two ends are overlapped in a crossed mode to form a sealing ring, the adhesive tape attached to one surface of the tetrafluoro belt 5 enables the tetrafluoro belt 5 to be fixed on the sealing surface of equipment, namely the outer surface of the crystal 1, so that the installation is convenient, and then only small bolt fastening force (the minimum pretightening force is 50 Kgf/cm)2) A good seal can be formed.
It should be noted that the housing is a tubular structure with openings at two ends, and can be directly processed into an integral piece by a metal material, or can be respectively processed into two annular columnar structures: the top cover 2 and the sleeve 3 are fixedly connected by means of gluing.
As an alternative embodiment, the light guide glass 21 is sapphire, which has high hardness and good transmittance, and thus is suitable for use as the light guide glass 21 in oil well logging.
As an alternative embodiment, the opening of the housing is provided with an internal thread, and the sealing cover 4 is in threaded connection with the opening.
In an alternative embodiment, the sealing cover 4 is depressed downward toward the middle of one side of the housing to form a cavity, and the cavity is coated with a sealing glue.
The sealing cover 4 is fixedly connected with the shell through threads, and meanwhile, the sealing cover is connected with the shell through sealant in a sticking mode, so that the sealing degree of the packaging crystal at the sealing cover 4 is greatly improved.
As an alternative embodiment, the housing is also filled with two rigid gaskets 7 sandwiching the elastic gasket 6.
Through mutually supporting of rigid gasket 7 and elastic gasket 6, rigid gasket 7 provides holding power to crystal 1, and elastic gasket 6 is used for buffering the impact that crystal 1 received to weaken the vibrations that lanthanum bromide crystal 1 received greatly, further improve this encapsulation crystal's shock strength.
As an alternative embodiment, the side of the housing facing the sealing cover 4 is also filled with a silicone gasket 8 and a collar 9.
As an optional implementation mode, high-temperature glue is coated between the light guide glass 21 and the crystal 1, and the high-temperature glue can resist the high temperature of 150-.
Compared with the common sealant, the high-temperature adhesive has stronger viscosity at high temperature, and can effectively avoid the reduction of the sealing property of the encapsulated crystal at high temperature by coating the high-temperature adhesive between the light guide glass 21 and the crystal 1, thereby influencing the experimental result.
The outer diameter of the packaged lanthanum bromide crystal 1 processed in the manner is 31mm, the height of the packaged lanthanum bromide crystal is 149mm, the diameter of sapphire welded on a shell is 27mm, the thickness of the sapphire is about 3.5mm, and the inner side of the sapphire and the crystal 1 are bonded together through high-temperature glue; the inner diameter of the shell is 27mm, the lanthanum bromide crystal 1 is wrapped in the tetrafluoro belt 5 and fixed in the shell, the lower end of the shell is fixedly connected with the sealing cover 4 through threads, the sealing cover 4 is 7mm high, and the lower end of the bottom surface of the sealing cover is processed by knurling, as shown in figure 1.
The invention also provides a logging high-temperature-resistant packaged lanthanum bromide crystal, which comprises a crystal 1, a shell and a sealing cover 4, wherein:
the shell is of a tubular structure with two open ends, light guide glass 21 is welded at the opening at one end of the shell, threads are arranged at the other end of the shell, and the sealing cover 4 is fixedly connected with the shell through the threads, so that an accommodating cavity for accommodating the crystal 1 is formed; the crystal 1 is wrapped with the tetrafluoro tape 5 so that only the crystal 1 is exposed toward the light guide glass 21 side.
It should be noted that the housing of the device may be composed of a top cover 2 and a sleeve 3 fixedly connected as shown in fig. 1; or may be a unitary structure, as shown in fig. 3.
As an alternative embodiment, the sealing cover 4 is coated with a high temperature resistant sealant.
The light guide glass 21 is welded on the top cover 2, so that the light guide glass 21 can be effectively prevented from falling off, and the strength and the sealing degree of the packaging crystal are enhanced; the sealing cover 4 and the sleeve 3 are fixed in a double fixing mode of threaded connection and sealant adhesion, and the sealing degree of the packaging crystal is greatly improved.
It should be noted that, in fig. 1, the top cover 2 and the sleeve 3 are adhered by high temperature glue to realize fixed connection, and the high temperature glue can resist high temperature of 150-.
As an alternative embodiment, two rigid gaskets 7 are provided between the sealing cover 4 and the crystal 1, sandwiching the elastic gasket 6.
As an alternative embodiment, the elastic pad 6 includes at least one of a wave spring, a tower spring, and a disc spring.
Specifically, the elastic pad 6 may be made of an elastic material such as rubber, silicone, or polyurethane.
As an alternative embodiment, the rigid gasket 7 is an aluminum sheet.
As an alternative embodiment, the outer periphery side of the top cover 2 is provided with external threads.
Specific information on the components related to the encapsulated lanthanum bromide crystal is shown in fig. 2.
It should be noted that all the above-mentioned sealants or high-temperature glues need to be cured to achieve the sealing effect, the curing time is 12-18h, and the best curing time is 16 h.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (10)
1. A method for packaging a logging high-temperature-resistant packaged lanthanum bromide crystal is characterized by comprising the following steps:
(1) selecting a tetrafluoro belt to tightly wrap the crystal so that only one surface of the crystal is exposed;
(2) welding light guide glass on the metal sealing tube to form a shell with one open end;
(3) putting the crystal processed in the step (1) into the shell in the step (2), and enabling the exposed surface of the crystal to face the light guide glass, wherein the crystal is tightly attached to the inner wall of the shell;
(4) and taking a sealing cover to be fixedly connected with the shell from the outlet of the shell, thereby encapsulating the crystal.
2. The method for packaging a logging high-temperature-resistant packaged lanthanum bromide crystal according to claim 1, wherein the light guide glass is sapphire.
3. The method for packaging a logging high-temperature-resistant packaged lanthanum bromide crystal according to claim 1, wherein an internal thread is arranged at an opening of the housing, and the sealing cover is in threaded connection with the opening.
4. The method as claimed in claim 3, wherein the sealing cover is recessed downward toward the middle of one side of the housing to form a cavity, and a sealant is coated in the cavity.
5. The method for packaging a logging high-temperature-resistant packaged lanthanum bromide crystal according to claim 1, wherein two rigid gaskets sandwiching an elastic gasket are further filled in the casing.
6. The method for packaging a logging high-temperature-resistant packaged lanthanum bromide crystal according to claim 5, wherein a silica gel pad and a retainer ring are further filled on one side of the casing facing the sealing cover.
7. The method for packaging a logging high-temperature-resistant packaged lanthanum bromide crystal according to claim 1, wherein a high-temperature glue is coated between the light guide glass and the crystal.
8. The utility model provides a high temperature resistant encapsulation lanthanum bromide crystal of logging, its characterized in that includes crystal, shell and sealed lid, wherein:
the shell is of a tubular structure with openings at two ends, light guide glass is welded at the opening at one end of the shell, threads are arranged at the other end of the shell, and the sealing cover is fixedly connected with the shell through the threads, so that a containing cavity for containing the crystal is formed;
the outer side of the crystal is wrapped with a tetrafluoro belt so that only one side of the crystal facing the light guide glass is exposed;
the shell is of an integrated structure; or the shell is formed by fixedly connecting a top cover and a sleeve.
9. The well-logging high-temperature-resistant packaged lanthanum bromide crystal as claimed in claim 8, wherein two rigid gaskets sandwiching an elastic gasket are arranged between the sealing cover and the crystal.
10. The well-logging high temperature resistant packaged lanthanum bromide crystal of claim 9, wherein the resilient gasket comprises at least one of a wave spring and a disc spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910994329.7A CN110592669A (en) | 2019-10-18 | 2019-10-18 | Logging high-temperature-resistant packaged lanthanum bromide crystal and packaging method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910994329.7A CN110592669A (en) | 2019-10-18 | 2019-10-18 | Logging high-temperature-resistant packaged lanthanum bromide crystal and packaging method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN110592669A true CN110592669A (en) | 2019-12-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910994329.7A Pending CN110592669A (en) | 2019-10-18 | 2019-10-18 | Logging high-temperature-resistant packaged lanthanum bromide crystal and packaging method thereof |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1653357A (en) * | 2002-03-22 | 2005-08-10 | 通用电气公司 | Instrumentation package and integrated radiation detector |
| CN102944891A (en) * | 2012-11-22 | 2013-02-27 | 北京一轻研究院 | Packaging method for cerium-doped halogenated lanthanum scintillation crystal |
| CN103760589A (en) * | 2014-01-16 | 2014-04-30 | 中国科学院福建物质结构研究所 | Scintillation crystal ray detection head of new structure |
| CN107390251A (en) * | 2017-07-13 | 2017-11-24 | 中国科学院福建物质结构研究所 | Scintillation crystal assembly, method for packing and the detector of anhydrous encapsulation |
| CN211036182U (en) * | 2019-10-18 | 2020-07-17 | 北京跃成光子科技有限公司 | High-temperature-resistant packaged lanthanum bromide crystal for well logging |
-
2019
- 2019-10-18 CN CN201910994329.7A patent/CN110592669A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1653357A (en) * | 2002-03-22 | 2005-08-10 | 通用电气公司 | Instrumentation package and integrated radiation detector |
| CN102944891A (en) * | 2012-11-22 | 2013-02-27 | 北京一轻研究院 | Packaging method for cerium-doped halogenated lanthanum scintillation crystal |
| CN103760589A (en) * | 2014-01-16 | 2014-04-30 | 中国科学院福建物质结构研究所 | Scintillation crystal ray detection head of new structure |
| CN107390251A (en) * | 2017-07-13 | 2017-11-24 | 中国科学院福建物质结构研究所 | Scintillation crystal assembly, method for packing and the detector of anhydrous encapsulation |
| CN211036182U (en) * | 2019-10-18 | 2020-07-17 | 北京跃成光子科技有限公司 | High-temperature-resistant packaged lanthanum bromide crystal for well logging |
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