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Fig. 2 | Micro and Nano Systems Letters

Fig. 2

From: Magnetic micropump embedded in contact lens for on-demand drug delivery

Fig. 2

I The fabrication process of the proposed magnetic micropump: a–c the PDMS master mold fabrication using the standard photolithographic method, d–f casting the main body of the micropump which is composed of Ostemer 322 using the PDMS master mold, and g−i the total assembly of the magnetic micropump through O2 plasma treatment. The apertures on the PDMS membrane and Ostemer layer were punched by using biopsy punches. II a The photography of the fabricated micropump and the micropump-integrated contact lens. The microscope image of the top view of b the membrane assembly region and c the micro check valve region. The SEM images of the cross-sectional view of the fabricated magnetic micropump including d the membrane assembly region, e the micro check valve region, and f the apertures in the micro check valve

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