NDLI: Micro-cutting with diamond tool micro-patterned by femtosecond laser

Content Provider	Springer Nature Link
Author	Kim, Jaegu Je, Tae Jin Cho, Sung Hak Jeon, Eun Chae Whang, Kyung Hyun
Copyright Year	2014
Abstract	The demand for micro-scale surface machining has been steadily increasing, and various methods have been introduced. Among these, microcutting with a diamond tool removes material by making multiple cutting passes. However, many passes are needed to generate micropatterns over a large area. To overcome the drawbacks of this time-consuming process, we propose a novel method, which uses a micropatterned diamond tool. A 220-fs-pulsed Ti: Sapphire laser is used to create micropatterns on the edge line of a rectangular diamond tool. A six-axis motion stage is used to align the edge line and flank surface of the diamond tool with respect to the focal point of the laser beam. Using a simple laser direct-writing method and a 100× objective lens (NA: 0.8), lines ≤ 2 μm in width, 20 μm in length, and 10 μm in separation were fabricated along the 1-mm edge line of a bulk diamond tool. The micropatterned diamond cutting tool was then used to successfully produce micropatterns on the surface of nickel (Ni)-electroformed on SKD-61. This novel process provides an efficient means of multiple micropattern generation for molding applications, such as those required for optics and biotechnology, using only a single pass of a diamond cutting tool.
Starting Page	1081
Ending Page	1085
Page Count	5
File Format	PDF
ISSN	22347593
Journal	International Journal of Precision Engineering and Manufacturing
Volume Number	15
Issue Number	6
e-ISSN	20054602
Language	English
Publisher	Korean Society for Precision Engineering
Publisher Date	2014-06-05
Publisher Place	Springer
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Micro-cutting Micro-pattern Diamond machining Femtosecond laser Industrial and Production Engineering Materials Science
Content Type	Text
Resource Type	Article
Subject	Industrial and Manufacturing Engineering Mechanical Engineering Electrical and Electronic Engineering

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