CN2453518Y - Ground imitating equipment for single article effect accelerator - Google Patents
Ground imitating equipment for single article effect accelerator Download PDFInfo
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- CN2453518Y CN2453518Y CN 00261443 CN00261443U CN2453518Y CN 2453518 Y CN2453518 Y CN 2453518Y CN 00261443 CN00261443 CN 00261443 CN 00261443 U CN00261443 U CN 00261443U CN 2453518 Y CN2453518 Y CN 2453518Y
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Abstract
The utility model relates to a ground simulation device for a single particle effect accelerator. The device uses a vacuum target chamber as a main body, an energy reducing sheet replacement device and an optical grating are arranged on a beam current inlet of the vacuum target chamber, a direct projection fluence detector, a diffusion fluence detector, an energy detector and a uniformity detector are arranged in the vacuum target chamber, a measurement waiting element bracket which can be elevated and rotated and a target center rod which can install diffusion foil are also arranged in the target chamber, the diffusion fluence detector, the energy detector and the uniformity detector can be positioned in a guide rail of a fan-shaped rotary tray with the same shaft with the target center rod, and the vacuum target chamber is connected with a vacuum system of the target chamber. The utility model not only can be used for researching single particle effect, but also can be used for the calibration of detectors and material radiation experiments. The utility model has the advantages of comprehensive function, universality and good vacuum performance.
Description
The utility model relates to a kind of physics facility that utilizes accelerator research semiconductor devices single particle effect.
Space heavy ion and proton have serious harm to the spacecraft microelectronic system, are to bring out one of unusual and cause faults of spacecraft.Single heavy ion in the cosmic rays, inject semiconductor devices after, their energy of deposition in its sensitive volume, caused upset, locking even phenomenon such as burn are called single particle effect.Single particle effect may directly threaten the safe operation of spacecraft.Along with the increase of device integrated level, the frequency that single particle effect occurs increases, and causes the example of satellite failure and inefficacy to occur repeatedly, and the lesson of this respect was all arranged both at home and abroad.Thereby the single particle effect of research microelectronic component is sought preventive measure, has great urgency and importance.
For the influence of systematically understanding single particle effect and the effect of reinforcement measure, people utilize modes such as space lift-launch and ground simulation that device and complete machine have been carried out various experiments, so that obtain the probability that enough data are foretold electronic system contingent fault when empty space is used.The simulated experiment that utilizes heavy ion accelerator to carry out occupies important position owing to its many advantage in single particle effect research, the accelerator experiment becomes the important means that obtains experimental data.
Domestic existing two heavy ion accelerators, can distinguish the research that to carry out single particle effect from different, but domestic do not have well behaved being based upon to be used for the special-purpose experimental provision that single particle effect is studied on the accelerator at present as yet, restricted the development of single particle effect research.Because the single particle effect experiment has many specific (special) requirements that are different from nuclear physics, is the target chamber of a special use of single particle effect research and design therefore, and is for improving the ground simulation experimental level, very important.
The purpose of this utility model is not only to can be used for single particle effect research but also can be used for the detector demarcation and the material irradiation experiment in order to provide a kind of, has more comprehensive function and versatility, and the good single particle effect accelerator ground simulator of vacuum performance.
The purpose of this utility model can realize by following measure:
A kind of single particle effect accelerator ground simulator is based on vacuum target chamber, be provided with in the line porch of vacuum target chamber fall can sheet more changing device and Guang Lan, in vacuum target chamber, be provided with direct projection fluence detector, scattering fluence detector, energy-probe and uniformity coefficient detector; Also be provided with the device under test support of liftable, rotation and the target center bar of scattering foil can be installed in target chamber, scattering fluence detector, energy-probe and uniformity coefficient detector can place in the guide rail with the coaxial fan-shaped rotating disk of target center bar; Vacuum target chamber and target chamber vacuum system link.
The utility model has following advantage compared to existing technology:
1, target chamber of the present utility model has good vacuum performance, and the driving member that links with vacuum target chamber all adopts no oily contactless magnetic transmission, can carry out the rotation of device under test replacing and detector under the condition of not destroying the target chamber vacuum; Target chamber is having the vacuum tightness under the situation of carrying to be better than 3 * 10
-4Pa; After the target chamber vacuum is destroyed, can recover the required vacuum tightness of target chamber at short notice rapidly in addition.
2, of the present utility model have a non-intercept type fluence detection system, can provide the fluence and the fluence rate of device irradiation in real time; The unique texture of the elliposoidal reflex housing that the utility model adopts has improved the collection rate of light widely.
3, the utlity model has the line uniformity coefficient detection system of position sensitive, position resolution is better than 0.34mm.
4, the utility model is by the comprehensive utilization of direct projection, scattering fluence detection system and ion energy measuring system and line uniformity coefficient detection system, and the non-intercept type that has successfully solved energy measurement, the weak beam stream of GeV energetic ion is monitored in real time, weak beam stream section uniformity coefficient detects and the computing machine of irradiation fluence such as obtains automatically at a series of technical barrier.
5, the utlity model has more comprehensive function and versatility; Both can do the detection of straight beam irradiation device, also can do the detection of scattered-out beam irradiation device: both can do the vacuum chamber internal radiation, and also can do the outer external beam irradiation of vacuum chamber; Can do individual devices research, also can carry out system test, it not only can be used for single particle effect research, also can be used for detector demarcation and material irradiation experiment.
Concrete structure of the present utility model is provided by the following drawings:
Fig. 1 is a structural representation of the present utility model
1-vacuum target chamber 2-light hurdle 3-falls and can fall the energy chip system by sheet replacing knob 4-
5-line inlet 6-direct projection fluence detector 7-device under test support
8-device support vertical moving knob 9-device support rotary knob
10-multicore vacuum socket 11-single particle effect detection system 12-scattering foil
13-uniformity coefficient detector 14-line extraction window 15-energy-probe
The fan-shaped rotating disk of 15a-scattering fluence detector 16-target center bar 17-
18-target chamber vacuum system 19-target chamber support vernier adjustment knob
20-target center bar lifting knob 21-dial rotation knob
Fig. 2 is the utility model diffuse transmission type fluence instrumentation plan
Fig. 3 is the circuit theory diagrams that direct-injection type fluence of the present utility model is measured
22-reflex housing 23-flicker film 24-photomultiplier
Fig. 4 is energy measurement circuit theory diagrams of the present utility model
Fig. 5 is a line uniformity coefficient metering circuit schematic diagram of the present utility model
Fig. 6 is the structural representation that vacuum cell of the present utility model links to each other with target chamber
The fast valve 26-of 25-vacuum cell
The utility model is also incited somebody to action in conjunction with the accompanying drawings, and embodiment is described in further detail:
With reference to Fig. 1, a kind of single particle effect accelerator ground simulator is based on vacuum target chamber 1, and target chamber 1 is the garden cylindricality, is made by stainless steel, evenly has eight interfaces around the target chamber 1; Be provided with at the line of vacuum target chamber 15 places that enter the mouth that fall can chip system 4 and light hurdle 2, line vertically passes absorbing sheet and the light hurdle 2 that falls energy chip system 4, absorbing sheet can be used for reducing beam energy, can sheet change knob 3 and adopts and change contactlessly that fall can absorbing sheet by falling; Light hurdle 2 can be used for limiting the cross-sectional area of line; In vacuum target chamber 1, be provided with direct projection fluence detector 6, described direct projection fluence detector 6 adopts the scintillation detector of non-intercept type, when incident ion passes the scintillator film of detector 6, deposit certain energy in the scintillator film, excite scintillator luminous, light is collected through the elliposoidal reflecting system on the photocathode of photomultiplier, and the bundle spot is in a focus of ellipsoid, photocathode is in another focus of ellipsoid, thereby has improved the collection efficiency of light.After photomultiplier converts light signal to current signal,, realize the fluence monitoring of straight beam thus through amplifying, screen, counting; After direct projection fluence detector 6, be provided with device under test support 7, device under test can be by device under test support 7 vertical moving knob 8 and rotary knob 9 it moved up and down and rotate, device under test support 7 also can be in any angle of relative line by the rotation of vacuum target chamber 1 upper cover plate; Be provided with four chip carrier sockets on device under test support 7, whole lead-in wires of socket link by the vacuum socket and the single particle effect detection system 11 of two 92 cores; Be provided with liftable target center bar 16 at the center of vacuum target chamber 1, on target center bar 16, be provided with scattering Au paper tinsel 12; With reference to Fig. 2, be that the axis of symmetry is symmetrical in device under test support 7 and is provided with scattering fluence detector 15a with the vertical line by scattering foil 12, scattering fluence detector 15a is an Au Si surface barrier detector; Energy-probe 15 is Si (Li) semiconductor detector, the thickness of its depletion layer is 3.5mm: scattering fluence detector 15a and energy-probe 15 all are located in the guide rail with the coaxial fan-shaped rotating disk 17 of target center bar 16, and the guide rail on the fan-shaped rotating disk 17 is annular and dovetail groove radially; In the guide rail of fan-shaped rotating disk 17, also be provided with uniformity coefficient detector 13; Described uniformity coefficient detector 13 is selected for use is the R2487 type position sensitive photo-multiplier tube that Japanese HAMAMATSU company produces; The molecular pump of the bottom of vacuum target chamber 1 and target chamber vacuum system 18 links.
With reference to Fig. 6, interface on vacuum target chamber 1 perisporium, can connect a vacuum cell 26 in addition by fast valve 25, cell 26 has not only strengthened the distance of sample to target center bar 16, can also place the complete machine that is difficult to place in the target chamber 1, fast valve can cut out when changing device in addition, only cell 26 be destroyed vacuum, save experimental period.
With reference to Fig. 3, described direct projection fluence detector 6 links with direct projection fluence metering circuit.
With reference to Fig. 4, described energy-probe 15 links with the energy measurement circuit.
With reference to Fig. 5, described uniformity coefficient detector 13 links with the uniformity coefficient metering circuit.
Claims (5)
1, a kind of single particle effect accelerator ground simulator, it is characterized in that based on vacuum target chamber (1), the line of vacuum target chamber (1) inlet (5) locate to be provided with fall can sheet changing device (4) He Guanglan (2) more, in vacuum target chamber (1), be provided with direct projection fluence detector (6), scattering fluence detector (15a), energy-probe (15) and uniformity coefficient detector (15); Also be provided with the device under test support (7) of liftable, rotation and the target center bar (16) of scattering foil (12) can be installed in target chamber (1), scattering fluence detector (15a), energy-probe (15) and uniformity coefficient detector (13) can place in the guide rail with the coaxial fan-shaped rotating disk (17) of target center bar (16); Vacuum target chamber (1) links with target chamber vacuum system (18).
2, single particle effect accelerator ground simulator as claimed in claim 1, it is characterized in that described direct projection fluence detector (6) is made up of reflex housing (22) and flicker film (23) and photomultiplier (24), wherein reflex housing (22) inwall is the ellipsoid minute surface, place flicker film (23) in the ellipsoid focus of reflex housing (22), and the time pole-face of photomultiplier (24) is on another focus of ellipsoid of reflex housing (22).
3, single particle effect accelerator ground simulator as claimed in claim 1 is characterized in that described uniformity coefficient detector (13) is the photomultiplier position sensitive detector.
4,, it is characterized in that described fan-shaped rotating disk (17) upper rail is annular and dovetail groove radially as the described single particle effect accelerator of claim l ground simulator.
5, single particle effect accelerator ground simulator as claimed in claim 1 is characterized in that can linking with vacuum cell (26) by fast valve (25) on the perisporium interface of vacuum target chamber (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00261443 CN2453518Y (en) | 2000-12-13 | 2000-12-13 | Ground imitating equipment for single article effect accelerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00261443 CN2453518Y (en) | 2000-12-13 | 2000-12-13 | Ground imitating equipment for single article effect accelerator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2453518Y true CN2453518Y (en) | 2001-10-10 |
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ID=33616952
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00261443 Expired - Fee Related CN2453518Y (en) | 2000-12-13 | 2000-12-13 | Ground imitating equipment for single article effect accelerator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2453518Y (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101833064A (en) * | 2010-05-05 | 2010-09-15 | 中国人民解放军国防科学技术大学 | Experimental system for simulating single event effect (SEE) of pulse laser based on optical fiber probe |
| CN101788453B (en) * | 2010-01-06 | 2011-11-02 | 中国科学院近代物理研究所 | High-temperature and stress energetic ion irradiation device |
| CN103063961A (en) * | 2012-12-28 | 2013-04-24 | 中国科学院微电子研究所 | Single event effect testing device and system |
| CN103095200A (en) * | 2012-12-28 | 2013-05-08 | 中国科学院微电子研究所 | Rotation device and single-particle test system based on same |
| CN107497059A (en) * | 2017-07-12 | 2017-12-22 | 合肥中科离子医学技术装备有限公司 | One kind of proton CT accurate control methods |
| CN109343102A (en) * | 2018-09-11 | 2019-02-15 | 东莞中子科学中心 | A kind of white light neutron source charged particle detection spectrometer vacuum target chamber |
| CN109903879A (en) * | 2019-03-14 | 2019-06-18 | 中国科学院近代物理研究所 | It is a kind of quickly to vary system for material irradiation |
| CN110083081A (en) * | 2019-03-11 | 2019-08-02 | 北京时代民芯科技有限公司 | A kind of automation single particle radiation test control system and method |
| CN111366968A (en) * | 2020-03-24 | 2020-07-03 | 中国科学院近代物理研究所 | Heavy ion beam uniformity testing system and method |
| CN114560109A (en) * | 2022-03-17 | 2022-05-31 | 中国科学院国家空间科学中心 | Space proton deep charging ground simulation device and method |
-
2000
- 2000-12-13 CN CN 00261443 patent/CN2453518Y/en not_active Expired - Fee Related
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101788453B (en) * | 2010-01-06 | 2011-11-02 | 中国科学院近代物理研究所 | High-temperature and stress energetic ion irradiation device |
| CN101833064A (en) * | 2010-05-05 | 2010-09-15 | 中国人民解放军国防科学技术大学 | Experimental system for simulating single event effect (SEE) of pulse laser based on optical fiber probe |
| CN101833064B (en) * | 2010-05-05 | 2012-09-05 | 中国人民解放军国防科学技术大学 | Experimental system for simulating single event effect (SEE) of pulse laser based on optical fiber probe |
| CN103063961A (en) * | 2012-12-28 | 2013-04-24 | 中国科学院微电子研究所 | Single event effect testing device and system |
| CN103095200A (en) * | 2012-12-28 | 2013-05-08 | 中国科学院微电子研究所 | Rotation device and single-particle test system based on same |
| CN103095200B (en) * | 2012-12-28 | 2015-11-04 | 中国科学院微电子研究所 | A kind of whirligig and the single-particle test macro based on this whirligig |
| CN107497059A (en) * | 2017-07-12 | 2017-12-22 | 合肥中科离子医学技术装备有限公司 | One kind of proton CT accurate control methods |
| CN109343102A (en) * | 2018-09-11 | 2019-02-15 | 东莞中子科学中心 | A kind of white light neutron source charged particle detection spectrometer vacuum target chamber |
| CN109343102B (en) * | 2018-09-11 | 2020-09-29 | 东莞中子科学中心 | Vacuum target chamber of white-light neutron source charged particle detection spectrometer |
| CN110083081A (en) * | 2019-03-11 | 2019-08-02 | 北京时代民芯科技有限公司 | A kind of automation single particle radiation test control system and method |
| CN110083081B (en) * | 2019-03-11 | 2020-08-04 | 北京时代民芯科技有限公司 | Automatic single-particle irradiation test control system and method |
| CN109903879A (en) * | 2019-03-14 | 2019-06-18 | 中国科学院近代物理研究所 | It is a kind of quickly to vary system for material irradiation |
| CN111366968A (en) * | 2020-03-24 | 2020-07-03 | 中国科学院近代物理研究所 | Heavy ion beam uniformity testing system and method |
| CN111366968B (en) * | 2020-03-24 | 2022-02-18 | 中国科学院近代物理研究所 | Heavy ion beam uniformity testing system and method |
| CN114560109A (en) * | 2022-03-17 | 2022-05-31 | 中国科学院国家空间科学中心 | Space proton deep charging ground simulation device and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |