A target film flattening device and method for nuclear physics in-beam experiment

A flattening device and a technology of nuclear physics, applied in the field of atomic nuclei, can solve problems such as inability to meet use requirements, and achieve the effects of simple structure, flexible use, and guaranteed flatness

Active Publication Date: 2016-01-27
CHINA INSTITUTE OF ATOMIC ENERGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, higher requirements are put forward for the flatness of the target film in the energy level life experiment. It is necessary to ensure that the target film remains in a good flat state under the beam bombardment. The self-tension of the target film cannot meet the current requirements. Requirements

Method used

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  • A target film flattening device and method for nuclear physics in-beam experiment
  • A target film flattening device and method for nuclear physics in-beam experiment
  • A target film flattening device and method for nuclear physics in-beam experiment

Examples

Experimental program
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Effect test

Embodiment 1

[0036] like figure 1 As shown, it is a nuclear physics in-beam experiment target membrane flattening device, which includes a support frame 1 and two ring pieces 2, 3. Wherein, the center of the support frame has a 126.9-degree conical frustum, and several legs are evenly distributed around it, and each leg is provided with a threaded hole 14 .

[0037] Wherein, the thickness of a ring piece 3 is 1mm, and several threaded holes 17 are evenly distributed on the outer circumference of this ring piece, and these several threaded holes are matched with the threaded holes on the supporting frame legs; another ring piece 2 The thickness of the ring is 1mm, the outer circumference of the ring is provided with several 2.5mm through holes, the inner ring of the ring is provided with chamfers, the target film is placed on the chamfers, and the ring with chamfers The target membrane 9 is sandwiched between one piece and another ring piece. The specific dimensions above can be adjusted ...

Embodiment 2

[0043] like figure 2 As shown, it includes a support frame 1 and a film frame 4 arranged on the top of the support frame. There is a truncated cone in the middle of the support frame, and several legs are evenly distributed around the truncated cone. Each leg is provided with a through hole 14. A central through hole is provided, and a circular boss is arranged on the central through hole; the film sticking frame includes a ring, and several legs are evenly distributed around the ring, and each leg is provided with a through hole 13, and the target film 9 is pasted on the On the ring of the film stand, the legs on the ring are matched with the legs on the support frame, and the through holes 13 of the legs on the ring are connected with the threaded holes 14 on the legs of the support frame by round head screws 12, Tighten the round head screw, and the round boss can move upwards, thereby pushing out the target membrane and flattening the target membrane.

[0044] Among them...

Embodiment 3

[0051] like image 3 As shown, the nuclear physics experiment target film flattening device provided by the present invention differs from Embodiment 2 in that it also includes a target lining and a blocking piece 8, and the target lining is pasted on the film frame 4, and the blocking piece It has a center hole, the center hole of the blocking piece is aligned with the center of the target lining, the target film 9 is sprayed on the target lining, the round head screw 15 connects the support frame 1 and the film sticking frame 4, and a spring 10 is also sleeved on the connecting piece , to adjust the height.

[0052] The method of the present invention is a sputtering method. Some targets cannot be self-supporting, and need to be sputtered on the target lining, and can be adjusted, and the target can be made separately. Adjust the screw, the block has a larger vertebral angle, and the six holes are all M2.5 threaded holes.

[0053] The method for flattening the target film ...

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Abstract

The invention relates to a target film flattening device for nuclear physics in-beam experiments, which includes a support frame and a target film fixing device arranged above the support frame. The target film fixing device is connected with the support frame through the connecting piece, the target film is set at the center of the target film fixing device, and the connecting piece is adjusted, the frustum of the supporting frame can move upward through the adjustment of the connecting piece, from the center of the target film fixing device Push out to achieve flattening of the target membrane. The invention also relates to a method for flattening a target film by using the flattening device, including a film pressing method, a film pasting method, a pushback method and a sputtering method. Adopting the flattening device of the present invention has simple structure, easy installation and good flattening effect; adopting the method of the present invention, different methods can be adopted according to different target materials, and the use is flexible.

Description

technical field [0001] The invention belongs to the field of atomic nuclei, and in particular relates to a target film flattening device and method for nuclear physics in-beam experiments. Background technique [0002] Target membrane flattening technology is very important in various nuclear physics experiments, and the current method is to rely on the self-tension of the target membrane to flatten. However, in the energy level life experiment, higher requirements are put forward for the flatness of the target film. It is necessary to ensure that the target film remains in a good flat state under the beam bombardment. The self-tension of the target film cannot meet the current requirements. Requirements. Contents of the invention [0003] In order to solve the problems existing in the prior art, the present invention provides a nuclear physics in-beam experiment target film flattening device, which can ensure the flatness of the target film in the energy level life test ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G21K5/08
Inventor 吴晓光汪金龙贺创业樊启文杜英辉李广生吴义恒胡世鹏郑云
Owner CHINA INSTITUTE OF ATOMIC ENERGY
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