Contents 1
(A) laser-micromachined PCB electrolytic micropump using an oil-based electrolyte separation barrier / Seonhyeok Baek ; Hakhyun Kim ; Heewon Hwang ; Abdi Mirgissa Kaba ; Hyeonsik Kim ; Minsub Chung ; Jintae Kim ; Dohyun Kim 1
Abstract 1
1. Introduction 1
2. Theory 3
2.1. Electrolytic Pumping 3
2.2. Minimizing Power Consumption 3
2.3. Electrode Material Selection 4
2.4. Oil Separation Barrier 4
3. Design and Fabrication of Micropumps 5
3.1. Design of the PCB Electrode Chip 5
3.2. Design of the Microfluidic Coverslip 5
3.3. Tape-Supported Laser Micromachining of the Microfluidic Chip 6
4. Experimental 7
4.1. Characterization of the TPLMPT Fabrication Process 7
4.2. Electrochemical Activation of Gold Electrodes on a PCB Chip 9
4.3. Measurement of Flow Rate and Backpressure 9
4.4. Performance Characterization of the Oil Separation Barrier 10
5. Result 10
5.1. Characterization of the TPLMPT Process 10
5.2. Pumping Performance Characterization 11
5.3. Backpressure Measurement 12
5.4. Performance of Oil Separation Barrier 13
6. Conclusion 15
References 16