Tampere University of Technology

TUTCRIS Research Portal

A Fully Printed Ultra-Thin Charge Amplifier for On-Skin Biosignal Measurements

Research output: Contribution to journalArticleScientificpeer-review

Standard

A Fully Printed Ultra-Thin Charge Amplifier for On-Skin Biosignal Measurements. / Laurila, Mika-Matti; Matsui, Hiroyuki; Shiwaku, Rei; Peltokangas, Mikko; Verho, Jarmo; Lozano Montero, Karem; Sekine, Tomohito; Vehkaoja, Antti; Oksala, Niku; Tokito, Shizuo; Mäntysalo, Matti.

In: IEEE Journal of the Electron Devices Society , Vol. 7, 06.05.2019, p. 566-574.

Research output: Contribution to journalArticleScientificpeer-review

Harvard

Laurila, M-M, Matsui, H, Shiwaku, R, Peltokangas, M, Verho, J, Lozano Montero, K, Sekine, T, Vehkaoja, A, Oksala, N, Tokito, S & Mäntysalo, M 2019, 'A Fully Printed Ultra-Thin Charge Amplifier for On-Skin Biosignal Measurements', IEEE Journal of the Electron Devices Society , vol. 7, pp. 566-574. https://doi.org/10.1109/JEDS.2019.2915028

APA

Laurila, M-M., Matsui, H., Shiwaku, R., Peltokangas, M., Verho, J., Lozano Montero, K., ... Mäntysalo, M. (2019). A Fully Printed Ultra-Thin Charge Amplifier for On-Skin Biosignal Measurements. IEEE Journal of the Electron Devices Society , 7, 566-574. https://doi.org/10.1109/JEDS.2019.2915028

Vancouver

Laurila M-M, Matsui H, Shiwaku R, Peltokangas M, Verho J, Lozano Montero K et al. A Fully Printed Ultra-Thin Charge Amplifier for On-Skin Biosignal Measurements. IEEE Journal of the Electron Devices Society . 2019 May 6;7:566-574. https://doi.org/10.1109/JEDS.2019.2915028

Author

Laurila, Mika-Matti ; Matsui, Hiroyuki ; Shiwaku, Rei ; Peltokangas, Mikko ; Verho, Jarmo ; Lozano Montero, Karem ; Sekine, Tomohito ; Vehkaoja, Antti ; Oksala, Niku ; Tokito, Shizuo ; Mäntysalo, Matti. / A Fully Printed Ultra-Thin Charge Amplifier for On-Skin Biosignal Measurements. In: IEEE Journal of the Electron Devices Society . 2019 ; Vol. 7. pp. 566-574.

Bibtex - Download

@article{9f4043b600114e29b9124017cf555d45,
title = "A Fully Printed Ultra-Thin Charge Amplifier for On-Skin Biosignal Measurements",
abstract = "In this contribution, we propose a fully printed charge amplifier for on-skin biosignal measurements. The amplifier is fabricated on an ultra-thin parylene substrate and consists of organic transistors, integrated bias and feedback resistors, and a feedback capacitor. The fabrication process utilizes inkjet-printed Ag ink for source, drain, gate, and capacitor electrode metallization as well as for the interconnects between the amplifier elements. Dispensed polystyrene, 2,7-dihexyl-dithieno[2,3-d;2',3'-d']benzo[1,2-b;4,5-b']dithiophene (PS:DTBDT-C6), is used as the transistor channel material, dispensed poly(3-hexylthiophene) (P3HT) as the high-resistivity material for the printed resistors, and parylene as the capacitor dielectric. A pass band optimized for pulse-wave measurement (60 mHz to 36 Hz) is achieved with a maximum charge amplification of 1.6 V/nC. To demonstrate the potential of the proposed printed amplifier, a radial arterial pulsewave signal recorded with a printed piezoelectric poly(vinylidenefluoride-co-trifluoroethylene) (PVDF-TrFE) sensor was fed to it and the output was analyzed to quantify the similarity of the pulse-wave features calculated from the original signal and the amplifier output. The amplified signal contains all the essential features of a pulse wave, such as both systolic waves, the dicrotic notch, and diastolic wave, which enable the accurate derivation of the clinically relevant indices utilized in the evaluation of vascular health.",
keywords = "Resistors , Capacitors , Electrodes , Semiconductor device measurement , Transistors , Resistance , Ink",
author = "Mika-Matti Laurila and Hiroyuki Matsui and Rei Shiwaku and Mikko Peltokangas and Jarmo Verho and {Lozano Montero}, Karem and Tomohito Sekine and Antti Vehkaoja and Niku Oksala and Shizuo Tokito and Matti M{\"a}ntysalo",
year = "2019",
month = "5",
day = "6",
doi = "10.1109/JEDS.2019.2915028",
language = "English",
volume = "7",
pages = "566--574",
journal = "IEEE Journal of the Electron Devices Society",
issn = "2168-6734",
publisher = "IEEE",

}

RIS (suitable for import to EndNote) - Download

TY - JOUR

T1 - A Fully Printed Ultra-Thin Charge Amplifier for On-Skin Biosignal Measurements

AU - Laurila, Mika-Matti

AU - Matsui, Hiroyuki

AU - Shiwaku, Rei

AU - Peltokangas, Mikko

AU - Verho, Jarmo

AU - Lozano Montero, Karem

AU - Sekine, Tomohito

AU - Vehkaoja, Antti

AU - Oksala, Niku

AU - Tokito, Shizuo

AU - Mäntysalo, Matti

PY - 2019/5/6

Y1 - 2019/5/6

N2 - In this contribution, we propose a fully printed charge amplifier for on-skin biosignal measurements. The amplifier is fabricated on an ultra-thin parylene substrate and consists of organic transistors, integrated bias and feedback resistors, and a feedback capacitor. The fabrication process utilizes inkjet-printed Ag ink for source, drain, gate, and capacitor electrode metallization as well as for the interconnects between the amplifier elements. Dispensed polystyrene, 2,7-dihexyl-dithieno[2,3-d;2',3'-d']benzo[1,2-b;4,5-b']dithiophene (PS:DTBDT-C6), is used as the transistor channel material, dispensed poly(3-hexylthiophene) (P3HT) as the high-resistivity material for the printed resistors, and parylene as the capacitor dielectric. A pass band optimized for pulse-wave measurement (60 mHz to 36 Hz) is achieved with a maximum charge amplification of 1.6 V/nC. To demonstrate the potential of the proposed printed amplifier, a radial arterial pulsewave signal recorded with a printed piezoelectric poly(vinylidenefluoride-co-trifluoroethylene) (PVDF-TrFE) sensor was fed to it and the output was analyzed to quantify the similarity of the pulse-wave features calculated from the original signal and the amplifier output. The amplified signal contains all the essential features of a pulse wave, such as both systolic waves, the dicrotic notch, and diastolic wave, which enable the accurate derivation of the clinically relevant indices utilized in the evaluation of vascular health.

AB - In this contribution, we propose a fully printed charge amplifier for on-skin biosignal measurements. The amplifier is fabricated on an ultra-thin parylene substrate and consists of organic transistors, integrated bias and feedback resistors, and a feedback capacitor. The fabrication process utilizes inkjet-printed Ag ink for source, drain, gate, and capacitor electrode metallization as well as for the interconnects between the amplifier elements. Dispensed polystyrene, 2,7-dihexyl-dithieno[2,3-d;2',3'-d']benzo[1,2-b;4,5-b']dithiophene (PS:DTBDT-C6), is used as the transistor channel material, dispensed poly(3-hexylthiophene) (P3HT) as the high-resistivity material for the printed resistors, and parylene as the capacitor dielectric. A pass band optimized for pulse-wave measurement (60 mHz to 36 Hz) is achieved with a maximum charge amplification of 1.6 V/nC. To demonstrate the potential of the proposed printed amplifier, a radial arterial pulsewave signal recorded with a printed piezoelectric poly(vinylidenefluoride-co-trifluoroethylene) (PVDF-TrFE) sensor was fed to it and the output was analyzed to quantify the similarity of the pulse-wave features calculated from the original signal and the amplifier output. The amplified signal contains all the essential features of a pulse wave, such as both systolic waves, the dicrotic notch, and diastolic wave, which enable the accurate derivation of the clinically relevant indices utilized in the evaluation of vascular health.

KW - Resistors , Capacitors , Electrodes , Semiconductor device measurement , Transistors , Resistance , Ink

U2 - 10.1109/JEDS.2019.2915028

DO - 10.1109/JEDS.2019.2915028

M3 - Article

VL - 7

SP - 566

EP - 574

JO - IEEE Journal of the Electron Devices Society

JF - IEEE Journal of the Electron Devices Society

SN - 2168-6734

ER -