Aerosol Jet Printing of SU-8 as a Passivation Layer Against Ionic Solutions.

ABSTRACT: To ensure stability for low-cost electronics used in direct contact with ionic solutions (such as electronic biosensors), electrodes are frequently passivated to protect against current leakage, which leads to corrosion. The epoxy-based polymer SU-8 yields favorable properties for passivation against ionic solutions. However, it is nearly universally patterned via cleanroom techniques, which increases device cost and fabrication complexity. Printing electronic components has been shown to be a viable approach for decreasing fabrication cost. Previous reports on SU-8 printing focus on the resultant printed structure, with little emphasis on its subsequent use as a passivation layer. Here, we demonstrate the printing of SU-8 with an aerosol jet printer using ultrasonic aerosolization. We sho

SUBMITTER: Ye S 

PROVIDER: S-EPMC9387772 | biostudies-literature | 2022 Apr

REPOSITORIES: biostudies-literature