Electromagnetic 2D scanning micromirror fabricated with 3D printed polymer parts for LiDAR applications

Jiyoun Seo; Jeong Yeon Hwang; Chang Hyeon Ji

doi:10.1016/j.sna.2022.113997

Electromagnetic 2D scanning micromirror fabricated with 3D printed polymer parts for LiDAR applications

Jiyoun Seo, Jeong Yeon Hwang, Chang Hyeon Ji

Electronic and Electrical Engineering

Research output: Contribution to journal › Article › peer-review

16 Scopus citations

Abstract

In this research, an omnidirectional scanning micromirror fabricated using a three-dimensional (3D) printing process and manual assembly is presented. The core part of the scanning micromirror is printed with photocurable resin using vat polymerization based on digital light processing. Externally fabricated 6 mm-diameter aluminum-coated silicon mirror plate, self-supported coils, and permanent magnets were assembled with the printed part to provide a reflective surface and electromagnetic actuation. Two types of devices with different spring shapes were designed and tested. Modal analyses were performed for each model with different magnet combinations in the design phase. To optimize the 3D printing process, resin mixtures with various mixing ratios were tested. An optical scan angle of 8.98° has been obtained for model #1 printed with an ABS-like resin at 309 Hz and an input current of 0.2 A_rms. For model #2 printed with a 9:1 mixture of ABS-like resin and B9R-2-Black resin, an optical scan angle of 6.04° at 356 Hz an input current of 0.2 A_rms has been obtained. Spiral scan patterns with various modulation depths were generated using model #1.

Original language	English
Article number	113997
Journal	Sensors and Actuators, A: Physical
Volume	348
DOIs	https://doi.org/10.1016/j.sna.2022.113997
State	Published - 1 Dec 2022

Bibliographical note

Funding Information:
This work was supported by Convergent Technology R&D Program for Human Augmentation through the National Research Foundation of Korea ( NRF ) funded by Ministry of Science and ICT (NRF 2019M3C1B8090805 ).

Publisher Copyright:
© 2022 Elsevier B.V.

Keywords

3D printing
Digital light processing
Electromagnetic actuation
Photocurable resin
Scanning micromirror

Access to Document

10.1016/j.sna.2022.113997

Cite this

@article{d59f2b82f7d24ec4872ada6408c8d9f7,

title = "Electromagnetic 2D scanning micromirror fabricated with 3D printed polymer parts for LiDAR applications",

abstract = "In this research, an omnidirectional scanning micromirror fabricated using a three-dimensional (3D) printing process and manual assembly is presented. The core part of the scanning micromirror is printed with photocurable resin using vat polymerization based on digital light processing. Externally fabricated 6 mm-diameter aluminum-coated silicon mirror plate, self-supported coils, and permanent magnets were assembled with the printed part to provide a reflective surface and electromagnetic actuation. Two types of devices with different spring shapes were designed and tested. Modal analyses were performed for each model with different magnet combinations in the design phase. To optimize the 3D printing process, resin mixtures with various mixing ratios were tested. An optical scan angle of 8.98° has been obtained for model #1 printed with an ABS-like resin at 309 Hz and an input current of 0.2 Arms. For model #2 printed with a 9:1 mixture of ABS-like resin and B9R-2-Black resin, an optical scan angle of 6.04° at 356 Hz an input current of 0.2 Arms has been obtained. Spiral scan patterns with various modulation depths were generated using model #1.",

keywords = "3D printing, Digital light processing, Electromagnetic actuation, Photocurable resin, Scanning micromirror",

author = "Jiyoun Seo and Hwang, {Jeong Yeon} and Ji, {Chang Hyeon}",

note = "Funding Information: This work was supported by Convergent Technology R&D Program for Human Augmentation through the National Research Foundation of Korea ( NRF ) funded by Ministry of Science and ICT (NRF 2019M3C1B8090805 ). Publisher Copyright: {\textcopyright} 2022 Elsevier B.V.",

year = "2022",

month = dec,

day = "1",

doi = "10.1016/j.sna.2022.113997",

language = "English",

volume = "348",

journal = "Sensors and Actuators, A: Physical",

issn = "0924-4247",

publisher = "Elsevier B.V.",

}

TY - JOUR

T1 - Electromagnetic 2D scanning micromirror fabricated with 3D printed polymer parts for LiDAR applications

AU - Seo, Jiyoun

AU - Hwang, Jeong Yeon

AU - Ji, Chang Hyeon

N1 - Funding Information: This work was supported by Convergent Technology R&D Program for Human Augmentation through the National Research Foundation of Korea ( NRF ) funded by Ministry of Science and ICT (NRF 2019M3C1B8090805 ). Publisher Copyright: © 2022 Elsevier B.V.

PY - 2022/12/1

Y1 - 2022/12/1

N2 - In this research, an omnidirectional scanning micromirror fabricated using a three-dimensional (3D) printing process and manual assembly is presented. The core part of the scanning micromirror is printed with photocurable resin using vat polymerization based on digital light processing. Externally fabricated 6 mm-diameter aluminum-coated silicon mirror plate, self-supported coils, and permanent magnets were assembled with the printed part to provide a reflective surface and electromagnetic actuation. Two types of devices with different spring shapes were designed and tested. Modal analyses were performed for each model with different magnet combinations in the design phase. To optimize the 3D printing process, resin mixtures with various mixing ratios were tested. An optical scan angle of 8.98° has been obtained for model #1 printed with an ABS-like resin at 309 Hz and an input current of 0.2 Arms. For model #2 printed with a 9:1 mixture of ABS-like resin and B9R-2-Black resin, an optical scan angle of 6.04° at 356 Hz an input current of 0.2 Arms has been obtained. Spiral scan patterns with various modulation depths were generated using model #1.

AB - In this research, an omnidirectional scanning micromirror fabricated using a three-dimensional (3D) printing process and manual assembly is presented. The core part of the scanning micromirror is printed with photocurable resin using vat polymerization based on digital light processing. Externally fabricated 6 mm-diameter aluminum-coated silicon mirror plate, self-supported coils, and permanent magnets were assembled with the printed part to provide a reflective surface and electromagnetic actuation. Two types of devices with different spring shapes were designed and tested. Modal analyses were performed for each model with different magnet combinations in the design phase. To optimize the 3D printing process, resin mixtures with various mixing ratios were tested. An optical scan angle of 8.98° has been obtained for model #1 printed with an ABS-like resin at 309 Hz and an input current of 0.2 Arms. For model #2 printed with a 9:1 mixture of ABS-like resin and B9R-2-Black resin, an optical scan angle of 6.04° at 356 Hz an input current of 0.2 Arms has been obtained. Spiral scan patterns with various modulation depths were generated using model #1.

KW - 3D printing

KW - Digital light processing

KW - Electromagnetic actuation

KW - Photocurable resin

KW - Scanning micromirror

UR - http://www.scopus.com/inward/record.url?scp=85141922860&partnerID=8YFLogxK

U2 - 10.1016/j.sna.2022.113997

DO - 10.1016/j.sna.2022.113997

M3 - Article

AN - SCOPUS:85141922860

SN - 0924-4247

VL - 348

JO - Sensors and Actuators, A: Physical

JF - Sensors and Actuators, A: Physical

M1 - 113997

ER -

Electromagnetic 2D scanning micromirror fabricated with 3D printed polymer parts for LiDAR applications

Abstract

Bibliographical note

Keywords

Access to Document

Fingerprint

Cite this