masaki Hirota

Doctor of Engineering, Professor

  • 744 Motooka Nishi-ku Fukuoka 819-0395, Japan

  • 216 Citations
  • 9 h-Index
1990 …2018
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Research Output 1990 2018

2018
11 Downloads (Pure)

出会い頭事故防止に向けた交差点環境の分析

Translated title of the contribution: Analysis of the crossing environment for the collision accident preventionSato, J., Hirota, M. & Nomura, T., Dec 14 2018, p. 4-B-04. 4 p.

Research output: Contribution to conferencePaper

Open Access
File
Accidents
Highway accidents
Telecommunication traffic
10 Downloads (Pure)

日帰り旅行における現地滞在可能時間の都市比較: 現地滞在可能時間地図

Translated title of the contribution: Maximum staying time comparison of day trips between major cities in Japan: A map of maximum staying time of day tripsHirota, M., Dec 15 2018, p. 321-324. 4 p.

Research output: Contribution to conferencePaper

Open Access
File
travel
Japan
shortenings
air
2016

Wireless power transmission between a NIR VCSEL array and silicon solar cells

Hirota, M., Iio, S., Ohta, Y., Niwa, Y. & Miyamoto, T., Feb 23 2016.

Research output: Contribution to conferencePaper

power transmission
laser arrays
Silicon solar cells
Surface emitting lasers
surface emitting lasers
2013
18 Citations (Scopus)

Improvement of carrier diffusion length in silicon nanowire arrays using atomic layer deposition

Kato, S., Kurokawa, Y., Miyajima, S., Watanabe, Y., Yamada, A., Ohta, Y., Niwa, Y. & Hirota, M., Nov 14 2013, In : Nanoscale Research Letters. 8, 1, p. 1-8 8 p.

Research output: Contribution to journalLetter

Atomic layer deposition
Silicon
atomic layer epitaxy
diffusion length
Nanowires

Observation of light scattering properties of silicon nanowire arrays

Kurokawa, Y., Watanabe, Y., Kato, S., Yamada, Y., Yamada, A., Ohta, Y., Niwa, Y. & Hirota, M., Jan 1 2013, p. 1880-1884. 5 p.

Research output: Contribution to conferencePaper

Light scattering
Nanowires
Silicon
Angular distribution
Distribution functions
20 Citations (Scopus)

Optical assessment of silicon nanowire arrays fabricated by metal-assisted chemical etching

Kato, S., Kurokawa, Y., Watanabe, Y., Yamada, Y., Yamada, A., Ohta, Y., Niwa, Y. & Hirota, M., Jun 13 2013, In : Nanoscale Research Letters. 8, 1, p. 1-6 6 p.

Research output: Contribution to journalLetter

Silicon
Nanowires
Etching
nanowires
Metals
2012
3 Citations (Scopus)

Cu-filled through-hole electrode for ZnS using high adhesive strength Ni-P thin film

Okamoto, N., Miyamoto, M., Saito, T., Kondo, K., Fukumoto, T. & Hirota, M., Nov 1 2012, In : Electrochimica Acta. 82, p. 363-366 4 p.

Research output: Contribution to journalArticle

Zinc sulfide
Electroless plating
Nickel
Phosphorus
Adhesives

Effect of the quantum size effect on the performance of solar cells with a silicon nanouwire array embedded in SiO2

Kurokawa, Y., Kato, S., Watanabe, Y., Yamada, A., Konagai, M., Ohta, Y., Niwa, Y. & Hirota, M., Dec 28 2012, p. 145-150. 6 p.

Research output: Contribution to conferencePoster

Silicon
Solar cells
solar cells
Nanowires
nanowires

Influence of surface recombination on the performance of SiNW solar cells and the preparation of a passivation film

Kato, S., Watanabe, Y., Kurokawa, Y., Yamada, A., Ohta, Y., Niwa, Y. & Hirota, M., Jan 1 2012, p. 33-38. 6 p.

Research output: Contribution to conferencePaper

Silicon
Passivation
passivity
Nanowires
Solar cells
22 Citations (Scopus)

Metal-Assisted chemical etching using silica nanoparticle for the fabrication of a silicon nanowire array

Kato, S., Watanabe, Y., Kurokawa, Y., Yamada, A., Ohta, Y., Niwa, Y. & Hirota, M., Feb 1 2012, In : Japanese Journal of Applied Physics. 51, 2 PART 2, 02BP09.

Research output: Contribution to journalArticle

Nanowires
Etching
nanowires
Silica
etching
32 Citations (Scopus)

Numerical approach to the investigation of performance of silicon nanowire solar cells embedded in a SiO2 matrix

Kurokawa, Y., Kato, S., Watanabe, Y., Yamada, A., Konagai, M., Ohta, Y., Niwa, Y. & Hirota, M., Nov 1 2012, In : Japanese journal of applied physics. 51, 11 PART2, 11PE12.

Research output: Contribution to journalArticle

Nanowires
Solar cells
nanowires
solar cells
Silicon
2010

A far-infrared sensor with a subwavelength structured absorber

Ohta, Y., Arakawa, Y., Fukumoto, T., Fukuyama, Y. & Hirota, M., Aug 18 2010, In : IEEJ Transactions on Sensors and Micromachines. 130, 7

Research output: Contribution to journalArticle

Infrared radiation
Sensors
Micromachining
Engineers
Costs

Copper-filled through-hole electrode of a ZnS window material for sealing a thermal infrared sensor

Fukumoto, T., Okamoto, N., Ohta, Y., Fukuyama, Y., Hirota, M. & Kondo, K., 2010, In : IEEJ Transactions on Sensors and Micromachines. 130, 9

Research output: Contribution to journalArticle

Plating
Infrared radiation
Copper
Electrodes
Sensors
1 Citation (Scopus)

High adhesive strength Ni-P thin film on ZnS by an electroless deposition process

Okamoto, N., Miyamoto, M., Saito, T., Kondo, K., Fukumoto, T. & Hirota, M., Apr 27 2010, In : Electrochemical and Solid-State Letters. 13, 6

Research output: Contribution to journalArticle

Zinc sulfide
electroless deposition
zinc sulfides
Electroless plating
Nickel
2008
11 Citations (Scopus)

Low-cost thermo-electric infrared FPAs and their automotive applications

Hirota, M., Ohta, Y. & Fukuyama, Y., Jun 30 2008, Infrared Technology and Applications XXXIV. 694032. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 6940).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Infrared Focal Plane Array
Focal plane arrays
focal plane devices
cameras
Infrared radiation

Thermal imaging technology using a thermoelectric infrared sensor

Hirota, M., Ohta, Y., Fukuyama, Y., Tsuji, M. & Saito, M., Dec 1 2008.

Research output: Contribution to conferencePaper

Infrared imaging
Focal plane arrays
Cameras
Infrared radiation
Sensors
2007
37 Citations (Scopus)

120 × 90 element thermoelectric infrared focal plane array with precisely patterned Au-black absorber

Hirota, M., Nakajima, Y., Saito, M. & Uchiyama, M., Mar 30 2007, In : Sensors and Actuators, A: Physical. 135, 1, p. 146-151 6 p.

Research output: Contribution to journalArticle

Focal plane arrays
focal plane devices
absorbers
Infrared radiation
Vapor deposition
2006
4 Citations (Scopus)
Micromachining
Infrared radiation
Sensors

Sensors on the move

Makinwa, K. A. A., Casier, H., Jongsma, I. J., Hirota, M., Jakoby, B. & Clark, B., Dec 1 2006, 2006 IEEE International Solid-State Circuits Conference, ISSCC - Digest of Technical Papers. 1 p. 1696210. (Digest of Technical Papers - IEEE International Solid-State Circuits Conference).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Sensors
2004
6 Citations (Scopus)

Thermoelectric infrared imaging sensors for automotive applications

Hirota, M., Nakajima, Y., Saito, M., Satou, F. & Uchiyama, M., Sep 13 2004, In : Proceedings of SPIE - The International Society for Optical Engineering. 5359, p. 111-125 15 p.

Research output: Contribution to journalArticle

Infrared Imaging
Infrared imaging
Sensor
sensors
Sensors
2002
13 Citations (Scopus)

120×90 element thermopile array fabricated with CMOS technology

Hirota, M., Nakajima, Y., Saito, M., Satou, F. & Uchiyama, M., Dec 1 2002, In : Proceedings of SPIE - The International Society for Optical Engineering. 4820, 1, p. 239-249 11 p.

Research output: Contribution to journalArticle

Thermopiles
thermopiles
CMOS
Infrared radiation
Vapor deposition
2 Citations (Scopus)

Thermoelectric infrared sensor array and blind-spot pedestrian warning system

Hirota, M., Nakajima, Y., Saito, M., Satou, F. & Uchiyama, M., Jan 1 2002, In : Kyokai Joho Imeji Zasshi/Journal of the Institute of Image Information and Television Engineers. 56, 6, p. 941-945 5 p.

Research output: Contribution to journalArticle

Alarm systems
Sensor arrays
Infrared radiation
Micromachining
Costs
2001
14 Citations (Scopus)

Thermoelectric infrared imager and automotive applications

Hirota, M., Satou, F., Saito, M., Kishi, Y., Nakajima, Y. & Uchiyama, M., Dec 1 2001, In : Proceedings of SPIE - The International Society for Optical Engineering. 4369, p. 312-321 10 p.

Research output: Contribution to journalArticle

Imager
Image sensors
vehicles
Infrared
Infrared radiation

Thermoelectric Infrared Sensors with High Responsivity for Automotive Applications

Hirota, M., Satou, F. & Morita, S., Jan 1 2001, In : IEEJ Transactions on Sensors and Micromachines. 121, 6, p. 325-330 6 p.

Research output: Contribution to journalArticle

Thermopiles
Infrared radiation
Sensors
Chemical vapor deposition
Residual stresses
2000
7 Citations (Scopus)

48×32 element thermoelectric infrared focal plane array with precisely patterned Au-black absorber

Hirota, M., Satou, F., Saito, M. & Morita, S., 2000, In : Sensors and Materials. 12, 5, p. 289-300 12 p.

Research output: Contribution to journalArticle

Focal plane arrays
focal plane devices
time constant
absorbers
Infrared radiation
1999
1 Citation (Scopus)

Linear thermopile array for fast searching

Shibata, N., Hirota, M., Satou, F., Yasui, H. & Morita, S., 1999, In : Proceedings of SPIE - The International Society for Optical Engineering. 3698, p. 546-555 10 p.

Research output: Contribution to journalArticle

Thermopiles
thermopiles
Responsivity
Linear Array
Time Constant
1998
18 Citations (Scopus)

Infrared sensor with precisely patterned Au-black absorption layer

Hirota, M. & Morita, S., 1998, In : Proceedings of SPIE - The International Society for Optical Engineering. 3436, 2, p. 623-634 12 p.

Research output: Contribution to journalArticle

Infrared Sensor
Absorption
Infrared radiation
sensors
Sensors
1991
5 Citations (Scopus)

A Surge-Free Intelligent Power Device Specific to Automotive High Side Switches

Matsushita, T., Mihara, T., Ikeda, H., Hirota, M. & Hirota, Y., Jan 1 1991, In : IEEE Transactions on Electron Devices. 38, 7, p. 1576-1581 6 p.

Research output: Contribution to journalArticle

Switches
Electric potential
Zener diodes
Bipolar transistors
Epitaxial growth
1990
2 Citations (Scopus)

Intelligent power device having large immunity from transients in automotive applications

Matsushita, T., Mihara, T., Ikeda, H., Hirota, M. & Hirota, Y., Dec 1 1990, p. 79-80. 2 p.

Research output: Contribution to conferencePaper

Zener diodes
Limiters
Field effect transistors
Epitaxial growth
Switches