Printable electronics through direct ink writing

• Main Author: Santoso, Kevin Patrick
• Other Authors: Nripan Mathews
• Format: Final Year Project
• Language: English
• Published: Nanyang Technological University 2024
• Subjects: Engineering; Direct ink writing
• Online Access: https://hdl.handle.net/10356/175985
• Institution: Nanyang Technological University

The aim of printed electronics is to lower the manufacturing costs of electronics overall; Using inexpensive techniques with lower maintenance costs that conventional electronic manufacturing techniques cannot imitate. As certain additive manufacturing techniques have matured over time, the potential to completely replace active and passive electronic components are gradually being realized. In this project, direct ink writing (DIW) is used to deposit conductive ink, resistive ink, and ionic liquid gel electrolyte to form passive components such as conductive traces, resistors, and capacitors. this was done to validate DIW in making different circuit elements. Varied resistance values were achieved by printing resistors with different dimensions, enabling the assessment of their predictability and reproducibility; These results were then used to form artificial neurons via hybrid 3D printing, which integrates conventional manufactured electronics with DIW and pick-and-place techniques. One of the factors that affect the quality of DIW prints is the substrate itself. Many scientific papers use non-porous flexible or glass substrates to print electronics. Hence, this project also aims to investigate how the electrical properties and their influencing factors change when printing on porous ceramic substrates.