TY - GEN
T1 - Modification of conformal-evaporated-film-by-rotation technique to improve uniformity of replicas of nonplanar biotemplates
AU - Pulisfer, Drew Patrick
AU - Lakhtakia, Akhlesh
AU - Martín-Palma, Raúl José
PY - 2010
Y1 - 2010
N2 - We modified the conformal-evaporated-film-by-rotation (CEFR) technique to improve the uniformity of nominally ≲ 1000-nm-thick films deposited on nonplanar biological templates to replicate surface features. The biotemplates selected are eyes harvested from Phormia regina, a common species of blow fly which has large compound eyes. Bulk chalcogenide glass with nominal composition Ge28Sb12Se60 was used as the source material for all coatings. The modified CEFR technique introduced a second degree of freedom in manipulating the biotemplate with respect to the average direction of the vapor flux. We were thus able to tailor the motion of the platform holding the biotemplate to improve the uniformity of the coatings. Cross-sectional images of the coated biotemplates obtained using microtomy and scanning electron microscopy confirmed the expected improvement.
AB - We modified the conformal-evaporated-film-by-rotation (CEFR) technique to improve the uniformity of nominally ≲ 1000-nm-thick films deposited on nonplanar biological templates to replicate surface features. The biotemplates selected are eyes harvested from Phormia regina, a common species of blow fly which has large compound eyes. Bulk chalcogenide glass with nominal composition Ge28Sb12Se60 was used as the source material for all coatings. The modified CEFR technique introduced a second degree of freedom in manipulating the biotemplate with respect to the average direction of the vapor flux. We were thus able to tailor the motion of the platform holding the biotemplate to improve the uniformity of the coatings. Cross-sectional images of the coated biotemplates obtained using microtomy and scanning electron microscopy confirmed the expected improvement.
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U2 - 10.1117/12.840437
DO - 10.1117/12.840437
M3 - Conference contribution
AN - SCOPUS:77951536814
SN - 9780819479877
T3 - Proceedings of SPIE - The International Society for Optical Engineering
BT - Advanced Fabrication Technologies for Micro/Nano Optics and Photonics III
T2 - Advanced Fabrication Technologies for Micro/Nano Optics and Photonics III
Y2 - 25 January 2010 through 27 January 2010
ER -