激光打印的三维结构能否承受 X 射线同步辐射光束？

IF 1.4 3区物理与天体物理 Q3 INSTRUMENTS & INSTRUMENTATION

Nuclear Instruments & Methods in Physics Research Section B-beam Interactions With Materials and Atoms Pub Date : 2024-11-12 DOI:10.1016/j.nimb.2024.165559

M. Danilkin , A. Vitukhnovsky , D. Kolymagin , E. Perevedentseva , A. Gritsienko , Yu. Tokunov , I. Zakharchuk , A. Patolyatov , A. Primenko , G. Prutskov

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引用次数: 0

摘要

研究了用激光直接写入法制造的聚合物物体的辐射稳定性。两组共 6 个立方体（50×50×50μm3）被打印在一个共同的硅衬底上，两组立方体的激光功率和切片步骤均匀变化。一组在同步辐射光束（12 keV，1010 光子/平方毫米/秒，每个立方体 1013 光子）中接受 X 射线照射，另一组保持非照射状态作为参照。计算了立方体附近的空气开尔玛（∼2000 kGy）和每个立方体吸收的辐射剂量（∼1.4 kGy）。后者使用热释光探测器进行了验证。用扫描电子显微镜和光学三维表面轮廓仪观察了辐射效应，并用拉曼光谱进行了评估。聚合物中的交联增强是主要的影响因素，它可能会将相邻的打印层吸附在一起，从而使激光打印的物体变形；使用适当的激光功率和切片步骤可以避免变形。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

Do the laser-printed 3D-structures withstand the X-ray synchrotron radiation beam?

查看原文本刊更多论文

Do the laser-printed 3D-structures withstand the X-ray synchrotron radiation beam?

The radiation stability of polymer objects fabricated by direct laser writing is studied. Two groups of 6 cubes (

50 \times 50 \times 50 μ

^{3}

) were printed on a common silicon substrate, with laser power and slicing step uniformly varied from cube to cube in both groups. One group was X-rayed in the synchrotron radiation beam (12 keV,

1 0^{10}

photons/mm

^{2}

/s,

1 0^{13}

photons per each cube), another kept non-irradiated for the reference. The air kerma (

\sim

2000 kGy) near cubes and the radiation dose absorbed in each cube (

\sim

1.4 kGy) were calculated. The latter was verified using thermoluminescent detectors. The radiation effects were observed with a scanning electron microscope and with an optical 3D surface profilometer, also evaluated by Raman spectroscopy. An enhanced cross-linking in the polymer is the primary effect which may draw together the neighboring printed layers thus distorting the laser-printed object; distortions can be avoided by making objects with proper laser power and slicing step.

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来源期刊

Nuclear Instruments & Methods in Physics Research Section B-beam Interactions With Materials and Atoms 物理-核科学技术

CiteScore

2.80

自引率

7.70%

发文量

231

审稿时长

1.9 months

期刊介绍： Section B of Nuclear Instruments and Methods in Physics Research covers all aspects of the interaction of energetic beams with atoms, molecules and aggregate forms of matter. This includes ion beam analysis and ion beam modification of materials as well as basic data of importance for these studies. Topics of general interest include: atomic collisions in solids, particle channelling, all aspects of collision cascades, the modification of materials by energetic beams, ion implantation, irradiation - induced changes in materials, the physics and chemistry of beam interactions and the analysis of materials by all forms of energetic radiation. Modification by ion, laser and electron beams for the study of electronic materials, metals, ceramics, insulators, polymers and other important and new materials systems are included. Related studies, such as the application of ion beam analysis to biological, archaeological and geological samples as well as applications to solve problems in planetary science are also welcome. Energetic beams of interest include atomic and molecular ions, neutrons, positrons and muons, plasmas directed at surfaces, electron and photon beams, including laser treated surfaces and studies of solids by photon radiation from rotating anodes, synchrotrons, etc. In addition, the interaction between various forms of radiation and radiation-induced deposition processes are relevant.