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22 Feb 1999

Volume 74, Issue 8, pp. 1057-1183

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Mechanics of rollable and foldable film-on-foil electronics

Z. Suo, E. Y. Ma, H. Gleskova, and S. Wagner

Appl. Phys. Lett. 74, 1177 (1999); http://dx.doi.org/10.1063/1.123478 (3 pages) | Cited 149 times

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The mechanics of film-on-foil devices is presented in the context of thin-film transistors on steel and plastic foils. Provided the substrates are thin, such transistors function well after the foils are rolled to small radii of curvature. When a substrate with a lower elastic modulus is used, smaller radii of curvature can be achieved. Furthermore, when the transistors are placed in the neutral surface by sandwiching between a substrate and an encapsulation layer, even smaller radii of curvature can be attained. Transistor failure clearly shows when externally forced and thermally induced strains add to, or subtract from, each other. © 1999 American Institute of Physics.
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85.30.Tv Field effect devices
85.40.-e Microelectronics: LSI, VLSI, ULSI; integrated circuit fabrication technology

Optimal geometry for electron emission from a metallic grating

B. Haddad and L. Schächter

Appl. Phys. Lett. 74, 1180 (1999); http://dx.doi.org/10.1063/1.123479 (3 pages)

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Field emission from a rectangular metallic grating is considered, ignoring space-charge effects. It is shown that there is an optimal geometry of the grooves for extraction of maximum current or current density. © 1999 American Institute of Physics.  
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79.70.+q Field emission, ionization, evaporation, and desorption
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