2023111 · This work explores the ductile deformation and subsurface damage evolution mechanism of silicon wafer during the ultra-precision grinding process. Some grinding tests are first conducted using different diamond wheels.
view more201511 · Abstract Three-dimensional molecular dynamics (MD) simulations are performed to investigate the nanoscale grinding process of single crystal silicon using diamond tool. The effect of grinding speed on subsurface damage and grinding surface integrity by analyzing the chip, dislocation movement, and phase transformation are studied.
view moreSemantic Scholar extracted view of "Nano-grinding process of single-crystal silicon using molecular dynamics simulation: Nano-grinding parameters effect" by Pengyue Zhao et al.
view more200711 · Grinding is an important process for manufacturing of silicon wafers. The demand for silicon wafers with better quality and lower price presents tremendous challenges for the grinding wheels used in the silicon wafer industry. The stringent requirements for these grinding wheels include low damage on ground surfaces, self …
view more2022111 · Abstract Grinding as the main thinning process for silicon wafers is widely used in chip manufacturing. The residual stress distribution is desired to be known to optimize the grinding process. In this paper, an iterative method for obtaining the nonuniform residual stress of ground silicon wafers was proposed.
view moreBack Grinding Back grinding is a process that removes silicon from the back surface of a wafer. We provide grinding on our own substrates or on customer supplied wafers. We process bare and device patterned wafers with high yield and offer wafer thinning to customer specifications.
view more202391 · Limited by the processing scale (atomic scale), there are few studies about the influence of grain shape on amorphous damage during the grinding process of silicon, and most of them are conducted by MD methods [30], [31].
view more200365 · of such processes, surface grinding possesses the great potential of producing silicon wafers with lower. i. 25 0. cost and better quality comparing with its counterparts (lapping for wire-sawn wafers and polishing for etched wafers). In order to fully utilize. z 2o z. the potential of surface grinding, however, some technical obstacles will ...
view more201541 · This study investigates warping of silicon wafers in ultra-precision grinding-based back-thinning process. By analyzing the interactions between the w…
view more2019116 · In this study, rotary ultrasonic assisted end grinding (RUAEG) of silicon nitride (Si3N4) was discussed. In addition, comparison of RUAEG with conventional end grinding was carried out. Machining parameters effect on the process was experimentally and statistically distinguished. Moreover, interaction of the influential parameters was …
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