Project supported by the National Natural Science Foundation of China (Grant Nos. 61925504 and 52475563);the National Key Research and Development Program of China (Grant Nos. 2022YFF0607600 and 2022YFF0605502);Key Laboratory of Metrology and Calibration Technology Fund Project (Grant No. JLKG2023001B001);Aeronautical Science Foundation Project (Grant No. 20230056038001)。
Traceability is the fundamental premise of all metrological activities. The establishment of a traceability chain characterized by a shortened structure, while simultaneously enabling on-site traceability, represents ...
This work was supported by the National Key Research and Development Program of China(No.2021YFA1202801);the National Natural Science Foundation of China(No.22272039);the Strategic Priority Research Program of Chinese Academy of Sciences(No.XDB36000000);the AKYCX2309 fund of National Institute of Metrology China;Jilin Chinese Academy of Sciences-Yanshen Technology Co.Ltd.
Si lattice-based linewidth,as the most used calibrator in the semiconductor industry,failed to meet the nanoscale demands of critical dimensions(CD).In 2018,the Si(220)lattice spacing was recommended as a secondary re...
Funding National Research Foundation of Korea(Grants 2021R1A2B5B03001407 and 2021R1A5A1032937).
We review the measurement methods and thickness characterization algorithms of semiconductor multilayer devices.Today’s ultrahigh-density,high-energy-efficient three-dimensional semiconductor devices require an itera...
Open Access funding enabled and organized by Projekt DEAL.
Metrological atomic force microscopes(Met.AFMs)with built-in interferometers are one of the main workhorses for versatile dimensional nanometrology.The interferometric nonlinearity error,particularly the high-order(i....
Scanning probe microscopy(SPM)is a branch of microscopy that forms images of surfaces using a physical probe that scans the specimen.Atomic force microscopy is one of the SPM family which is considered as a very versa...
Laser-driven light sources(LDLS)have ultrahigh-brightness and broad wavelength range.They are ideal radiation sources for optical metrology tools for advanced process control in semiconductor manufacturing.LDLS source...
Quantitative characterization of the mechanical properties of materials in micro-/nano-scale using depth-sensing indentation technique demands high performance of nanoindentation instruments in use. In this paper, the...
Yan Fang acknowledges research grants from Shanghai Technology Committee (STC) 03JC14020 &0452nm085;National Science Foundation of China (NSFC) 30470409;Shanghai Xu Hui Region of Science and Technology Committee RCT2008010
Unbroken chain of traceability is currently unsettled issues for developing national/ international nanometer scale metrology standards. The present paper will address
supported by agrant from Ministry of Education, Culture,Sports, Science and Technology of Japan(MEXT)
1 IntroductionThe authors have been working on a newsurface encoder for detecting multi-degree-of-freedom(MDOF) translational and tilt motionsof precision stages[1]. The surface encoder con-sists of two fundamental el...