Please use this identifier to cite or link to this item: https://doi.org/10.1016/S0924-0136(03)00757-X
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dc.titleNano-precision measurement of diamond tool edge radius for wafer fabrication
dc.contributor.authorLi, X.P.
dc.contributor.authorRahman, M.
dc.contributor.authorLiu, K.
dc.contributor.authorNeo, K.S.
dc.contributor.authorChan, C.C.
dc.date.accessioned2014-06-19T05:37:58Z
dc.date.available2014-06-19T05:37:58Z
dc.date.issued2003-09-22
dc.identifier.citationLi, X.P., Rahman, M., Liu, K., Neo, K.S., Chan, C.C. (2003-09-22). Nano-precision measurement of diamond tool edge radius for wafer fabrication. Journal of Materials Processing Technology 140 (1-3 SPEC.) : 358-362. ScholarBank@NUS Repository. https://doi.org/10.1016/S0924-0136(03)00757-X
dc.identifier.issn09240136
dc.identifier.urihttp://scholarbank.nus.edu.sg/handle/10635/73672
dc.description.abstractIn this paper, a non-destructive nano-precision measurement method for diamond tool cutting edge radius is presented. The basis of the method is that the profile of a tool cutting edge can be copied by indenting the tool cutting edge into the surface of a selected material, and that the copy of the profile can be measured at nano-precision level using AFM. The selected material elastic error compensation coefficient has to be determined to cancel out the effect of elastic spring-back. Copper was selected as the indentation piece material due to its (1) high rigidity and high density, (2) large Young's modulus and (3) low yield strength. The elastic error compensation coefficient for the copper material is determined through the indentation of a tungsten carbide tool edge on the copper surface. By comparing the actual tool edge radius measured using scanning electron microscope (SEM) on the sectional view of the tungsten carbide tool with the one measured from the copied profile of the tool edge on the copper surface, the coefficient is obtained. Three diamond tool edge radii were obtained using the proposed method. Analysis is given for the accuracy of the proposed method, showing that as far as the error elastic compensation coefficient is consistent with the copper material used, the only source of errors with the measurement will come from the device for measuring the indented profile on the surface. © 2003 Elsevier B.V. All rights reserved.
dc.description.urihttp://libproxy1.nus.edu.sg/login?url=http://dx.doi.org/10.1016/S0924-0136(03)00757-X
dc.sourceScopus
dc.subjectDiamond tool
dc.subjectEdge radius
dc.subjectMeasurement
dc.subjectNano-precision
dc.subjectWafer fabrication
dc.typeConference Paper
dc.contributor.departmentMECHANICAL ENGINEERING
dc.description.doi10.1016/S0924-0136(03)00757-X
dc.description.sourcetitleJournal of Materials Processing Technology
dc.description.volume140
dc.description.issue1-3 SPEC.
dc.description.page358-362
dc.description.codenJMPTE
dc.identifier.isiut000185489700064
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