Semiconductor device having an active layer with separate layers

Active solid-state devices (e.g. – transistors – solid-state diode – Non-single crystal – or recrystallized – semiconductor... – Field effect device in non-single crystal – or...

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257347, 257607, H01L 2976, H01L 31036, H01L 31112

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active

057738475

ABSTRACT:
A semiconductor device having a active layer comprising crystalline silicon, said active layer comprising a first layer comprising crystalline silicon formed on an insulating surface and a second layer comprising crystalline silicon formed on said first layer, wherein said first layer contains a metal element at a first concentration while said second layer is free from said metal element or contains said metal element at a second concentration which is lower than said first concentration.

REFERENCES:
patent: 4719501 (1988-01-01), Nakagawa et al.
patent: 4871920 (1989-10-01), Stabile et al.
patent: 5087954 (1992-02-01), Shirai
patent: 5147826 (1992-09-01), Liu et al.
patent: 5275851 (1994-01-01), Fonash et al.
patent: 5401982 (1995-03-01), King et al.
patent: 5403772 (1995-04-01), Zhang et al.
patent: 5508533 (1996-04-01), Takemura
patent: 5563426 (1996-10-01), Zhang et al.
patent: 5569936 (1996-10-01), Zhang et al.
C. Hayzelden et al., "In Situ Transmission Electron Microscopy Studies of Silicide-Mediated Crystallization of Amorphous Silicon" (3 pages).
A.V. Dvurechenskii et al., "Transport Phenomena in Amorphous Silicon Doped by Ion Implantation of 3d Metals", Akademikian Lavrentev Prospekt 13, 630090 Novosibirsk 90, USSR, pp. 635-640.
T. Hempel et al., "Needle-Like Crystallization of Ni Doped Amorphous Silicon Thin Films", Solid State Communications, vol. 85, No. 11, pp. 921-924, 1993.
"Crystallized Si Films By Low-Temperature Rapid Thermal Annealing Of Amorphous Silicon", R. Kakkad, J. Smith, W.S. Lau, S.J. Fonash, J. Appl. Phys. 65 (5), Mar. 1, 1989, 1989 American Institute of Physics, pp. 2069-2072.
"Polycrystalline Silicon Thin Film Transistors on Corning 7059 Glass Substrates Using Short Time, Low Temperature Processing", G. Liu, S.J. Fonash, Appl. Phys. Lett. 62 (20), May 17, 1993, 1993 American Institute of Physics, pp. 2554-2556.
"Selective Area Crystallization of Amorphous Silicon Films by Low-Temperature Rapid Thermal Annealing", Gang Liu and S. J. Fonash, Appl. Phys. Lett. 55 (7), Aug. 14, 1989, 1989 American Institute of Physics, pp. 660-662.
"Low Temperature Selective Crystallization of Amorphous Silicon", R. Kakkad, G. Liu, S.J. Fonash, Journal of Non-Crystalline Solids, vol. 115, (1989), pp. 66-68.

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