support from the China Postdoctoral Science Foundation(No.2023M742735);the Postdoctoral Fellowship Program of CPSF,China(No.GZC20232029);the National Natural Science Foundation of China(No.52475530);the Shaanxi Postdoctoral Science Foundation,China(No.2023BSHEDZZ175);the Innovation Capability Support Program of Shaanxi Province,China(No.2021TD-23);the Key Industrial Chain Core Technology Research Project in Xi’an,China(No.23LLRH0029);the Natural Science Basic Research Program of Shaanxi,China(No.2024JC-YBQN-0490);the Fundamental Research Funds for the Central Universities,China(No.ZYTS24023).
Silicon Carbide (SiC) wafers have been widely used in micro- and nano-devices due to their excellent optical and material properties. However, polishing SiC wafers has been challenging and inefficient, tending to caus...
supported by the National Science Foundation under Grant No.CMMI-1844821;supported by the NSF through the University of Wisconsin Materials Research Science Center(Grant No.DMR-1720415).
With the growing demand for the fabrication of microminiaturized components,a comprehensive understanding of material removal behavior during ultra-precision cutting has become increasingly significant.Single-crystal ...
supported by the National Natural Science Foundation of China(Grant Nos.62073184,52105490).
The vibration disturbance from an external environment affects the machining accuracy of ultra-precision machining equipment.Most active vibration-isolation systems(AVIS)have been developed based on static loads.When ...
support from the National Natural Science Foundation of China(52275416 and 51905194);National Key Research and Development Program(2021YFC2202303);Science Challenge Project(No.TZ2018006-0201-02)。
Ultra-precision diamond cutting is a promising machining technique for realizing ultra-smooth surface of different kinds of materials.While fundamental understanding of the impact of workpiece material properties on c...
The atomic force microscope(AFM)possesses a unique capability for three-dimensional,high-resolution imaging down to the atomic level.It operates without the needs of additional requirements on sample material and envi...
On October 5,2022,a research team led by Prof.PAN Jianwei and his colleagues from the University of Science and Technology of China(USTC)reported free-space dissemination of time and frequency with 10-19 instability o...
supported by the National Natural Science Foundation of China(No.U2031208)。
Long-term ultra-precision synchronization between optical frequency combs(OFCs) and microwave oscillators is important for various fields, including scientific observation, smart grid, positioning and navigation, etc....
funded by the National Natural Science Foundation of China(Grant Nos.51875005 and 51475010);the National Science and Technology Major Project of China(Grant No.2016ZX04003001).
The dynamic characteristics of the gas film of an aerostatic spindle primary affect workpiece waviness in ultra-precision machining.To improve the machining accuracy of the machine tool and provide a firm theoretical ...
Integrated circuit IC is the cornerstone of todays information industry and information technology. CI technology is a key technology to promote Chinas economic and social development, and is the key to the transforma...
The author thanks Dr. Subramanian, STIMS Institute (Fig. 1);Dr. Michael Hitchiner of Saint-Gobain Abrasives (Figs. 13-16);Drs. Bhateja and Lindsay of Saint-Gobain Abrasives and SME(Figs. 2 and 3).
Manufacturers face challenges when dealing with abrasives that lose roundness,wear excessively,and suffer from pitting of the surface of the grinding wheel that needs rectification using dressing techniques.Nanostruct...