Fabrication of metallic and polymeric microstructures using ... - NOPR
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Fabrication of metallic and polymeric microstructures using ... - NOPR
Makrofol-KG. kapton and PVDF has heen described. The developed microstructures and replicls were scanned hy SEM for morphologic,iI studies. I Introductjon.
Ind ian Jou rn al of Pure & Appli ed Ph ys ics Vol. "7. Decemher 1999. pp. 924-92R
Fabrication of metallic and polymeric microstructures using ion track filters S Amrita Kaur. G S Randha wa *. S K Chakra varti + & H S Virk Department o f Phys ics. Guru Nanak Dev Universi ty. Am rit sar Rece i ved 8 March 1999: accepted 25 October 1999 Fahrication of microstru cture is hein g co nsidered a potential technology not only for usc in mi croel ec tron ics and mi cromechani cs hut also in the studi es pertaining to hehaviour o f material s at nann or mi crosco pi c sc:il e. Th e synthe, is micros tru ctures and microtuhl es of desired materi al. vi z.. metal. pol ymer ,1Ild metal -semicond uctor w ithin th e etched pores of Makrofo l- KG. kapton and PVDF has heen described. Th e developed mi cros tru ctures and repli cls were scanned hy SEM for
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morphologic,iI st udi es.
I Introductjon
Mi crotec hno logy relies esse ntiall y on the generation of replicas (metallic or non-metalli c), for example. in th e fi eld of mi cro mec hanics l 2 A vari ety of possibl e appli cations include hi gh power mi crowave ge neration. ultrafast co mput er and te rahert z amplifi er dev ices fabri cation. ra diati on and temperature inse nsiti ve elec tronLs ics Deve lop me nt o f me tallic mi c ros tructures co mpri sin g either metalli c mi crodimensional dev ices, dots. fibers. wires. co nes. tubul es and whi skers have pro vided exc itin g appli cati ons in multidisciplinary fi elds such as mi croelectromec hani cs('. fi e ld ion e mit7 tcrs/e lec trodes • material s science and mi crotechn olog/. bi ologica l substitute for mi crotubul es'J, sing le vo lca no fi eld emitters 'O The latest developments in thi s field are se mi co nductor nan ometer whiskers" , nano· mu I tu b u Ies p_. " , c rysta II"lIle mt crostru ctures I~ , magnettc t ila ye red nan ow ires 15etc .. Wu and Bein Ie, using a simi lar approach have also re port ed solid nan oca rbon tubul es (graphitic) within th e pore of nan oporous xeo lite. 2 Materials and Methods
A me mbran e in general ma y act as a barrier to the fl ow of matter. For sy nthesizing mi c rostru ctures mostl y two types of me mbranes are used: (a) Track-etched me mbranes, also know n as ion track filt ers (ITFs) and (b) porous alumina . Present
