Thin film transistors on polyimide substrates

Hamide Kavak, Carl Gruber, Howard Shanks, Allen Landin, Alan Constant, Stanley G Burns

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

The properties of individual inverted gate, thin film transistors (TFT) with a range of channel width to length from 2/2 to 4780/4 fabricated on 5 μm thick polyimide substrates have been investigated. In addition to the room temperature properties, the effects of illumination, bias stress and temperature have been measured. The current as a function of voltage of the TFTs scale linearly with transistor size and the threshold voltages are independent of size. Illumination of the transistors increases the off current and decreases the threshold voltage. Gate characteristics were determined for transistors before and after a bias stress of VGS = 20 V for t = 10, 102, 103 and 104 s. The threshold voltage shifted to larger voltages and the on/off ratio decreased with application time. Gate and transfer characteristics of the TFTs were measured every 25°C from 25°C to 125°C. The threshold voltages decreased with increasing temperature while field effect mobilities increased.

Original languageEnglish (US)
Pages (from-to)1325-1328
Number of pages4
JournalJournal of Non-Crystalline Solids
Volume266-269 B
StatePublished - May 1 2000

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Thin film transistors
Threshold voltage
polyimides
Polyimides
threshold voltage
transistors
Transistors
Substrates
thin films
Lighting
illumination
Electric potential
electric potential
Temperature distribution
temperature distribution
Temperature
room temperature
temperature

Cite this

Kavak, H., Gruber, C., Shanks, H., Landin, A., Constant, A., & Burns, S. G. (2000). Thin film transistors on polyimide substrates. Journal of Non-Crystalline Solids, 266-269 B, 1325-1328.

Thin film transistors on polyimide substrates. / Kavak, Hamide; Gruber, Carl; Shanks, Howard; Landin, Allen; Constant, Alan; Burns, Stanley G.

In: Journal of Non-Crystalline Solids, Vol. 266-269 B, 01.05.2000, p. 1325-1328.

Research output: Contribution to journalArticle

Kavak, H, Gruber, C, Shanks, H, Landin, A, Constant, A & Burns, SG 2000, 'Thin film transistors on polyimide substrates', Journal of Non-Crystalline Solids, vol. 266-269 B, pp. 1325-1328.
Kavak H, Gruber C, Shanks H, Landin A, Constant A, Burns SG. Thin film transistors on polyimide substrates. Journal of Non-Crystalline Solids. 2000 May 1;266-269 B:1325-1328.
Kavak, Hamide ; Gruber, Carl ; Shanks, Howard ; Landin, Allen ; Constant, Alan ; Burns, Stanley G. / Thin film transistors on polyimide substrates. In: Journal of Non-Crystalline Solids. 2000 ; Vol. 266-269 B. pp. 1325-1328.
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