Nanotechnologyhasgreatpotentialinmanufacturing,manipulating,observing,andfunctioningofmaterials,andunderstandingthephysicsandchemistryatthenanoscale,butitislimitedtosurfacescienceandtechnologyintwodimensions,withuseof,forexample,e-beam,ionbeam,lightbeam,andatomicforcethroughtheprocessesofillumination,deposition,etching,andmodificationofthesurface.Availablenanotechnologicaldevicessuchasnanoelectroniccircuits,high-densitydatastorage,liquid-crystaldisplays,andmicroandnanoelectromechanicalsystems(MEMSsandNEMSs)areallbasicallyoftwodimensions.However,futurenanotechnology,inparticularnanomanufacturing,shouldbemadeinthreedimensionssimilartotheexistingordinarymachinery.InthebookEnginesofCreation:TheComingEraofNanotechnology(Doubleday,1986),theauthorEricDrexlerdiscussesfuturenanotechnologiessuchasmolecularassemblers,atom-by-atombuilding,andself-replicatingmachines.InthenovelPrey(HarperCollins,2002),MichaelCrichtondescribesamachinethatmakesnanobotsfrombacteria,whichturnintoanano-swarmattackinghumans.Thenanomachinesappearinginthosebooksareallthree-dimensionalmachines.
2016/4/24 4:07:25
17.92MB
多光子光刻
1