| 초록 |
The technology of wearable device also known as e-textile or wearable computing device has been developed rapidly, due to its various fields. Especially, IoT (internet of things) technology would be cooperated with this device well. PDMS is an elastic solid, structures made from PDMS are low cost, quick to fabricate, transparent, biocompatible, and flexible. In this work, we fabricated cylindrical capacitor which could detect pressure change. This cylindrical device was consisted of four layers, two nickel thin films for inner and outer electrodes and Polydimethylsiloxane (PDMS) layer with polyvinyl alcohol (PVA) at middle of that for dielectric material. The nickel thin film was deposited by RF magnetron sputtering and PDMS layer was dip-coated after mixing pre-monomer with agent. Since nickel by sputtering didn’t worked on PDMS-coated surface, PVA was coated for creating outer electrode. And then capacitance was measured by using HP 4284A. |
