Presentation 2000/6/23
ED2000-90 / SDM2000-90 Photocurrent Amplification Using SOI-MOS Device
Yuko Yryu, Tanemasa Asano,
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Abstract(in English) A new photodetection device composed of an SOI MOSFET and a photodiode is proposed and the fundamental operation of the device is experimentally studied. The photodiode is connected to the floating body of the SOI MOSFET. Carriers photo-generated in the photodiode are accumurated in the floating body to induce the lateral bipolar action of the SOI MOSFET. As a result, photocurrent is amplified by the lateral bipolar operation. Devices composed of a p-channel SOI MOSFET and a n^+p photodiode which was formed in the substrate Si were fabricated. It has been found that the current amplification factor increases with decreasing the gate length of the SOI MOSFET and the drain current can be about 70 times as much as the diode photocurrent when the gate length is 0.8 μm. Enhancement of current amplification by floating gate is also demonstrated.
Keyword(in Japanese) (See Japanese page)
Keyword(in English) photodetection device / composite device / SOI / MOSFET / lateral bipolar transistor / floating body effect
Paper # ED2000-90,SDM2000-90
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Committee ED
Conference Date 2000/6/23(1days)
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Language JPN
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Title (in English) ED2000-90 / SDM2000-90 Photocurrent Amplification Using SOI-MOS Device
Sub Title (in English)
Keyword(1) photodetection device
Keyword(2) composite device
Keyword(3) SOI
Keyword(4) MOSFET
Keyword(5) lateral bipolar transistor
Keyword(6) floating body effect
1st Author's Name Yuko Yryu
1st Author's Affiliation Center for Microelectronic Systems, Kyushu Institute of Technology()
2nd Author's Name Tanemasa Asano
2nd Author's Affiliation Center for Microelectronic Systems, Kyushu Institute of Technology
Date 2000/6/23
Paper # ED2000-90,SDM2000-90
Volume (vol) vol.100
Number (no) 149
Page pp.pp.-
#Pages 6
Date of Issue