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Fabrication of microfluidic structures in quartz via micro machining technologies
Authors:Lin  Ying-Chieh  Lee   Chung-Ching  Lin   Heng-Sheng  Hong   Zheng-Han  Hsu   Fu-Chuan  Hung   Tsung-Pin  Lyu   Yu-Ting
Affiliation:1.Department of Mold and Die Engineering, National Kaohsiung University of Applied Sciences, Kaohsiung, 807, Taiwan
;2.Mold and Precision Machining Technology Section, Micro/Meso Mechanical Manufacturing R&D Department, Metal Industries Research and Development Centre (MIRDC), Kaohsiung, Taiwan
;
Abstract:

Microfluidic channels have been created for quartz material using micromechanical manufacturing technologies such as micro laser machining, micro ultrasonic machining, and ultra-precision machining. Ultra-precision machining has been used to manufacture cross-junction channels 14 µm wide and 28 µm deep with a three-dimensional triangle cross-section. Micro laser machining has been used to manufacture U-shaped and >-shaped microfluidic channels. Deep holes and microfluidic channels with a high slenderness ratio (width/depth) can be obtained by using micro ultrasonic machining technology. These three machining techniques are compared with respect to surface profiles and machining quality.</p></td>
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