The laser surface treatment of polycrystalline diamond wafers

Lingda Xiong; Chunjin Wang; Chi Fai Cheung

The laser surface treatment of polycrystalline diamond wafers

Lingda Xiong
, Chunjin Wang
, Chi Fai Cheung

Research output: Unpublished conference presentation (presented paper, abstract, poster) › Conference presentation (not published in journal/proceeding/book) › Academic research › peer-review

Abstract

The ultraviolet laser was applied for the polycrystalline diamond (PCD) wafers fabricated by physical vapor deposition (PVD) to improve the machinability of PCD wafer in this work. Laser surface treatment experiments with line scanning mode were conducted to investigate the microgroove morphology. The influence of laser scanning velocity on the microgroove morphology was studied. The width and depth of microgroove decreased with the increasing of laser scanning velocity. The ratio of width and depth increased with laser scanning velocity. The laser oscillation technology was used to modify the microgroove morphology. The laser oscillation increased the width and depth of the microgroove. Besides, the laser oscillation
weakened the influence of laser scanning velocity on the ratio of width and depth. Finally, laser surface treatment experiment with areal scanning mode was conducted. The surface roughness of laser-treated surface decreased compared to the base material surface.

Original language	English
Pages	e-copy
Number of pages	4
Publication status	Published - Nov 2023
Event	The 10th International Conference of Asian Society for Precision Engineering and Nanotechnology (ASPEN 2023) - Hong Kong Duration: 21 Nov 2023 → 24 Nov 2023 https://www.polyu.edu.hk/sklumt/ASPEN2023/about-aspen2023/general-information/

Conference

Conference	The 10th International Conference of Asian Society for Precision Engineering and Nanotechnology (ASPEN 2023)
Abbreviated title	(ASPEN 2023)
Period	21/11/23 → 24/11/23
Internet address	https://www.polyu.edu.hk/sklumt/ASPEN2023/about-aspen2023/general-information/

Keywords

Polycrystalline diamond
laser surface treatment
microgroove
ratio of width and depth
surface roughness

More information

https://www.polyu.edu.hk/sklumt/ASPEN2023/images/Full_Paper/140_The-laser-surface-treatment-of-polycrystalline-diamond-wafers-revised-version.pdf

Cite this

Xiong, L., Wang, C., & Cheung, C. F. (2023). The laser surface treatment of polycrystalline diamond wafers. e-copy. Paper presented at The 10th International Conference of Asian Society for Precision Engineering and Nanotechnology (ASPEN 2023). https://www.polyu.edu.hk/sklumt/ASPEN2023/images/Full_Paper/140_The-laser-surface-treatment-of-polycrystalline-diamond-wafers-revised-version.pdf

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title = "The laser surface treatment of polycrystalline diamond wafers",

abstract = "The ultraviolet laser was applied for the polycrystalline diamond (PCD) wafers fabricated by physical vapor deposition (PVD) to improve the machinability of PCD wafer in this work. Laser surface treatment experiments with line scanning mode were conducted to investigate the microgroove morphology. The influence of laser scanning velocity on the microgroove morphology was studied. The width and depth of microgroove decreased with the increasing of laser scanning velocity. The ratio of width and depth increased with laser scanning velocity. The laser oscillation technology was used to modify the microgroove morphology. The laser oscillation increased the width and depth of the microgroove. Besides, the laser oscillation weakened the influence of laser scanning velocity on the ratio of width and depth. Finally, laser surface treatment experiment with areal scanning mode was conducted. The surface roughness of laser-treated surface decreased compared to the base material surface.",

keywords = "Polycrystalline diamond, laser surface treatment, microgroove, ratio of width and depth, surface roughness",

author = "Lingda Xiong and Chunjin Wang and Cheung, \{Chi Fai\}",

year = "2023",

month = nov,

language = "English",

pages = "e--copy",

note = "The 10th International Conference of Asian Society for Precision Engineering and Nanotechnology (ASPEN 2023), (ASPEN 2023) ; Conference date: 21-11-2023 Through 24-11-2023",

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Xiong, L, Wang, C & Cheung, CF 2023, 'The laser surface treatment of polycrystalline diamond wafers', Paper presented at The 10th International Conference of Asian Society for Precision Engineering and Nanotechnology (ASPEN 2023), 21/11/23 - 24/11/23 pp. e-copy. <https://www.polyu.edu.hk/sklumt/ASPEN2023/images/Full_Paper/140_The-laser-surface-treatment-of-polycrystalline-diamond-wafers-revised-version.pdf>

The laser surface treatment of polycrystalline diamond wafers. / Xiong, Lingda; Wang, Chunjin ; Cheung, Chi Fai.
2023. e-copy Paper presented at The 10th International Conference of Asian Society for Precision Engineering and Nanotechnology (ASPEN 2023).

Research output: Unpublished conference presentation (presented paper, abstract, poster) › Conference presentation (not published in journal/proceeding/book) › Academic research › peer-review

TY - CONF

T1 - The laser surface treatment of polycrystalline diamond wafers

AU - Xiong, Lingda

AU - Wang, Chunjin

AU - Cheung, Chi Fai

PY - 2023/11

Y1 - 2023/11

N2 - The ultraviolet laser was applied for the polycrystalline diamond (PCD) wafers fabricated by physical vapor deposition (PVD) to improve the machinability of PCD wafer in this work. Laser surface treatment experiments with line scanning mode were conducted to investigate the microgroove morphology. The influence of laser scanning velocity on the microgroove morphology was studied. The width and depth of microgroove decreased with the increasing of laser scanning velocity. The ratio of width and depth increased with laser scanning velocity. The laser oscillation technology was used to modify the microgroove morphology. The laser oscillation increased the width and depth of the microgroove. Besides, the laser oscillation weakened the influence of laser scanning velocity on the ratio of width and depth. Finally, laser surface treatment experiment with areal scanning mode was conducted. The surface roughness of laser-treated surface decreased compared to the base material surface.

AB - The ultraviolet laser was applied for the polycrystalline diamond (PCD) wafers fabricated by physical vapor deposition (PVD) to improve the machinability of PCD wafer in this work. Laser surface treatment experiments with line scanning mode were conducted to investigate the microgroove morphology. The influence of laser scanning velocity on the microgroove morphology was studied. The width and depth of microgroove decreased with the increasing of laser scanning velocity. The ratio of width and depth increased with laser scanning velocity. The laser oscillation technology was used to modify the microgroove morphology. The laser oscillation increased the width and depth of the microgroove. Besides, the laser oscillation weakened the influence of laser scanning velocity on the ratio of width and depth. Finally, laser surface treatment experiment with areal scanning mode was conducted. The surface roughness of laser-treated surface decreased compared to the base material surface.

KW - Polycrystalline diamond

KW - laser surface treatment

KW - microgroove

KW - ratio of width and depth

KW - surface roughness

M3 - Conference presentation (not published in journal/proceeding/book)

SP - e-copy

T2 - The 10th International Conference of Asian Society for Precision Engineering and Nanotechnology (ASPEN 2023)

Y2 - 21 November 2023 through 24 November 2023

ER -

The laser surface treatment of polycrystalline diamond wafers

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