[1]雷耀虎,刘鑫,郭金川,等.超声对X射线分析光栅铋填充率影响研究[J].深圳大学学报理工版,2016,33(No.2(111-220)):138-142.[doi:10.3724/SP.J.1249.2016.02138]
 Lei Yaohu,Liu Xin,Guo Jinchuan,et al.Influence of ultrasonic on filling ratio of Bi in X-ray analyzer gratings[J].Journal of Shenzhen University Science and Engineering,2016,33(No.2(111-220)):138-142.[doi:10.3724/SP.J.1249.2016.02138]
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超声对X射线分析光栅铋填充率影响研究()
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《深圳大学学报理工版》[ISSN:1000-2618/CN:44-1401/N]

卷:
第33卷
期数:
2016年No.2(111-220)
页码:
138-142
栏目:
光电工程
出版日期:
2016-03-20

文章信息/Info

Title:
Influence of ultrasonic on filling ratio of Bi in X-ray analyzer gratings
文章编号:
201602005
作者:
雷耀虎刘鑫郭金川李冀牛憨笨
深圳大学光电工程学院,光电子器件与系统教育部/广东省重点实验室,广东深圳 518060
Author(s):
Lei Yaohu Liu Xin Guo Jinchuan Li Ji and Niu Hanben
College of Optoelectronic Engineering, Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province, Shenzhen University, Shenzhen 518060, Guangdong Province, P.R.China
关键词:
光学工程X射线相衬分析光栅微铸造表面改性浸润超声
Keywords:
optical engineering X-ray phase contrast analyzer grating micro-casting surface modification wettability bismuth ultrasonic
分类号:
TB 559; O 647.5
DOI:
10.3724/SP.J.1249.2016.02138
文献标志码:
A
摘要:
改进的微铸造技术利用Bi2O3代替SiO2作为浸润层,以提升X射线吸收光栅中铋的填充率.通过源光栅发现,铋填充率很大程度上取决于初始浸润材料Bi(NO3)3的覆盖程度.提出使用超声的方法,使丙酮携带Bi(NO3)3进入高深宽比分析光栅结构内部,并覆盖在侧壁表面,待Bi(NO3)3高温分解为Bi2O3后,利用Bi2O3与铋的浸润性使铋完全进入分析光栅结构内部.实验结果表明,相比不使用和使用频率如40、120及170 kHz的超声,80 kHz的超声更有助于提高铋的填充率,同时还表明超声具备向高深宽比结构内辅助填充物质的能力.
Abstract:
Bi2O3 is applied as the wettability layer to replace SiO2 in an improved micro-casting technology to increase the filling ratio of Bi in X-ray absorption gratings. The findings in the source grating demonstrate that the Bi filling ratio depends largely on the coverage of wettability material Bi(NO3)3. We present the ultrasound assisted filling method to make the solution of acetone carrying Bi(NO3)3 flow freely into the high aspect-ratio structure of the analyzer grating so that the surface of the side walls is covered by Bi(NO3)3 after the acetone volatilizes. Thus the perfect wettability between Bi2O3 decomposed by Bi(NO3)3 at high temperature and the molten Bi leads to Bi in a full filling in the analyzer grating structure. Experimental results show that the ultrasonic with frequency of 80 kHz induces a higher Bi filling ratio compared with those with the frequencies of 40, 120 and 170 kHz. The results also demonstrate that the ultrasonic can be used as an assisted mean to fill materials in high aspect-ratio structures.

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备注/Memo

备注/Memo:
Received:2015-12-14;Accepted:2016-01-05
Foundation:National Special Foundation of China for Major Science Instrument (61227802); National Natural Science Foundation of China (61405120)
Corresponding author:Professor Niu Hanben.E-mail: hbniu@szu.edu.cn
Citation:Lei Yaohu,Liu Xin,Guo Jinchuan,et al.Influence of ultrasonic on filling ratio of Bi in X-ray analyzer gratings[J]. Journal of Shenzhen University Science and Engineering, 2016, 33(2): 138-142.(in Chinese)
基金项目:国家重大科研仪器设备研制专项资助项目(61227802);国家自然科学基金资助项目(61405120)
作者简介:雷耀虎(1984—),男,深圳大学博士后研究人员.研究方向:X射线相衬成像,光栅制作技术.E-mail: yfyt10@163.com
引文:雷耀虎,刘鑫,郭金川,等.超声对X射线分析光栅铋填充率影响研究[J]. 深圳大学学报理工版,2016,33(2):138-142.
更新日期/Last Update: 2016-03-04