High precision collimator and processing method thereof
A processing method and collimator technology, applied in the direction of using aperture/collimator, metal processing equipment, manufacturing tools, etc., can solve the problems of high cost, poor reproducibility of high-precision collimator, and difficulty in ensuring accuracy. Achieve the effect of solving high processing costs, solving poor portability, and broadening application fields
Active Publication Date: 2014-04-02
INST OF HIGH ENERGY PHYSICS CHINESE ACAD OF SCI
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[0006] The purpose of the present invention is to provide a high-precision collimator processing method to solve the technical problems of poor reproducibility, high cost, and difficulty in guaranteeing the processing accuracy of the collimator processing method in the prior art
[0007] Another object of the present invention is to provide a high-precision collimator to solve the technical problems of poor reproducibility, high cost and difficult guarantee of precision of the prior art high-precision collimator
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[0035] Typical embodiments embodying the features and advantages of the present invention will be described in detail in the following description. It should be understood that the present invention is capable of various changes in different embodiments without departing from the scope of the present invention, and that the description and drawings therein are illustrative in nature and not limiting. this invention.
[0036] The high-precision collimator of the embodiment of the present invention is mainly used in the low-energy telescope project of the hard X-ray modulation telescope. The structure of the collimator needs to be designed considering the installation and field of view, and the field of view is determined by imaging simulation. The field of view layout of the telescope is as follows image 3 as shown, image 3 In the middle, there are a total of eight collimators in the upper and lower rows. The four fields of view of the collimator in the lower right corner ...
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Abstract
The invention discloses a high precision collimator and a processing method thereof. The high precision collimator comprises a collimator body, a first-class collimating aperture and three second-class collimating apertures. In the processing of the first-class collimating aperture, after the collimator body is processed, a grid through hole is formed in the collimator body through wire cutting; and a method for processing the second-class collimating apertures comprises the following steps of: mutually inserting a first tantalum sheet and a second tantalum sheet to obtain a grid hole; welding the mutually inserted tantalum sheets through laser, and putting into a mounting hole, wherein the mounting hole is formed in the collimator body after the collimator body is processed and is used for accommodating the mutually inserted tantalum sheets to form the second-class collimating aperture; and fixing the fixed connected tantalum sheets in the mounting hole in a gluing mode. The application range of the collimator is widened, and a foundation is laid for higher precision scientific detection.
Description
technical field [0001] The invention relates to a collimator, in particular to a high-precision collimator and a processing method for the high-precision collimator. Background technique [0002] High-precision collimators (collimators whose parallelism and perpendicularity accuracy can be guaranteed within 1 arc minute) are key equipment widely used in aerospace space exploration, pulsar navigation, and medical equipment. The collimator collimates the X-rays and converts them into processable data through the detector for scientific analysis. Among them, the internal grid structure of the collimator has few optional materials, high processing accuracy requirements, and the force, heat, and Radiation and other conditions are complex, but at present, various research and development units have various processing techniques, poor reproducibility and difficult to guarantee processing accuracy, which has become a key issue in X-ray detection technology. [0003] At present, our...
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IPC IPC(8): B23P15/00B23K26/21G21K1/02
Inventor 王娟张童吴枚陈勇张爱梅
Owner INST OF HIGH ENERGY PHYSICS CHINESE ACAD OF SCI