Journal ArticleDOI
Mechanics of rollable and foldable film-on-foil electronics
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In this article, the mechanics of film-on-foil transistors on steel and plastic foils have been discussed in the context of thin-film transistors, where the transistors function well after the foils are rolled to small radii of curvature.Abstract:
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 otherread more
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Wireless dual-function network device dynamically switching and reconfiguring from a wireless network router state of operation into a wireless network coordinator state of operation in a wireless communication network
TL;DR: In this article, the authors propose a wireless multi-function network device for use on a wireless communication network, that can serve multiple functions and dynamically switch and reconfigure from a network router into a network coordinator in the event that the originally designated network coordinator is permanently or temporally disabled.
Journal ArticleDOI
Recent Process of Flexible Transistor‐Structured Memory
Yao Ni,Yongfei Wang,Wentao Xu +2 more
TL;DR: This work reviews the recent development of transistor-structured artificial synapse, a special type of FTSM, that emulates important functions of a biological synapse to mimic brain-inspired memory behaviors and nervous signal transmissions.
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Flexible MgO Barrier Magnetic Tunnel Junctions
Li Ming Loong,Wonho Lee,Xuepeng Qiu,Ping Yang,Hiroyo Kawai,Mark Saeys,Jong Hyun Ahn,Hyunsoo Yang +7 more
TL;DR: Flexible MgO barrier magnetic tunnel junction (MTJ) devices are fabricated using a transfer printing process in this article, which yield significantly enhanced tunneling magnetoresistance of ≈300% and improved abruptness of switching.
Journal ArticleDOI
Vertical nanowire transistor in flexible polymer foil
Jie Chen,Rolf Könenkamp +1 more
TL;DR: In this article, a vertical nanowire field effect transistor was constructed by growing vertical wires in the cylindrical pores of a polymer foil stack, with a diameter of approximately 100 nm and packing density up to 108 cm−2.
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Low temperature a-Si:H photodiodes and flexible image sensor arrays patterned by digital lithography
TL;DR: In this paper, a flexible image sensor with 75dots∕in. resolution over 180×180pixels and with sensitivity of 1.2pW∕cm2 was demonstrated.
References
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Journal ArticleDOI
Large deformation and geometric instability of substrates with thin-film deposits
TL;DR: In this paper, experimental and theoretical results are presented on the evolution of large elastic deformation, non-uniform curvature, shape changes and geometric instability in substrates of Si wafers with metal films.
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Some elementary connections between curvature and mismatch strain in compositionally graded thin films
TL;DR: In this paper, the relationship of the overall curvature of the film to the variation of properties and mismatch strain is reviewed, and it is shown that the mismatch strain distribution in the film can be expressed in terms of the dependence of curvature on film thickness.
Journal ArticleDOI
a-Si:H TFTs made on polyimide foil by PE-CVD at 150 °C
TL;DR: In this paper, high performance amorphous silicon thin-film transistors (a-Si:H TFTs) were fabricated on 2 mil. (51 µm) thick polyimide foil substrates.
Journal ArticleDOI
Elastic Bending of Semiconductor Wafer Revisited and Comments on Stoney's Equation
TL;DR: In this article, the authors re-examine the Stoney's equation and point out that it was derived based on a neutral axis for zero bending moment which does not exist in the pure bending of a steel ruler on which his derivation was based.
Journal ArticleDOI
a-Si:H Thin-Film Transistors on Rollable 25-µ;m Thick Steel Foil
Eugene Ma,Sigurd Wagner +1 more
TL;DR: In this article, the first amorphous silicon thin film transistors (TFTs) were fabricated on flexible, ultra-thin substrates of 25 µm thick stainless steel foil.