Understanding effects of printhead geometry in aerosol jet printing
Abstract
Aerosol jet printing offers a versatile, high-resolution digital patterning capability broadly relevant to flexible and printed electronic systems. Despite its promise and numerous demonstrations, the theoretical principles driving process outputs have not been thoroughly explored. In this study, a custom-built, modular printing system is developed to provide a head-to-head comparison of two print nozzle geometries to better understand the technology. Print resolution data from a range of process parameters are analyzed using a support vector machine framework. The linear deposition rate is identified as a key variable, which can confound careful studies of printing performance. Taking this into account, a clear difference is observed between the printheads, corresponding to a difference in resolution of 57% ± 11% under typical conditions. Models to understand differences in aerodynamic and mass transport effects identify enhanced drying within the NanoJet printhead as a likely cause of this difference. Overall, this study provides improved understanding of the aerosol jet printing process, including valuable insight to inform process optimization, robust data analysis, ink formulation, and printer geometric design.
- Authors:
-
- Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)
- Publication Date:
- Research Org.:
- Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)
- Sponsoring Org.:
- USDOE National Nuclear Security Administration (NNSA); USDOE Laboratory Directed Research and Development (LDRD) Program
- OSTI Identifier:
- 1670198
- Alternate Identifier(s):
- OSTI ID: 1644221
- Report Number(s):
- SAND-2020-7066J
Journal ID: ISSN 2058-8585; 687267
- Grant/Contract Number:
- AC04-94AL85000; NA-0003525
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Flexible and Printed Electronics
- Additional Journal Information:
- Journal Volume: 5; Journal Issue: 3; Journal ID: ISSN 2058-8585
- Publisher:
- IOPscience
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 42 ENGINEERING; flexible electronics; printed electronics; additive manufacturing; aerosol jet printing
Citation Formats
Tafoya, Rebecca R., and Secor, Ethan B. Understanding effects of printhead geometry in aerosol jet printing. United States: N. p., 2020.
Web. doi:10.1088/2058-8585/aba2bb.
Tafoya, Rebecca R., & Secor, Ethan B. Understanding effects of printhead geometry in aerosol jet printing. United States. https://doi.org/10.1088/2058-8585/aba2bb
Tafoya, Rebecca R., and Secor, Ethan B. Thu .
"Understanding effects of printhead geometry in aerosol jet printing". United States. https://doi.org/10.1088/2058-8585/aba2bb. https://www.osti.gov/servlets/purl/1670198.
@article{osti_1670198,
title = {Understanding effects of printhead geometry in aerosol jet printing},
author = {Tafoya, Rebecca R. and Secor, Ethan B.},
abstractNote = {Aerosol jet printing offers a versatile, high-resolution digital patterning capability broadly relevant to flexible and printed electronic systems. Despite its promise and numerous demonstrations, the theoretical principles driving process outputs have not been thoroughly explored. In this study, a custom-built, modular printing system is developed to provide a head-to-head comparison of two print nozzle geometries to better understand the technology. Print resolution data from a range of process parameters are analyzed using a support vector machine framework. The linear deposition rate is identified as a key variable, which can confound careful studies of printing performance. Taking this into account, a clear difference is observed between the printheads, corresponding to a difference in resolution of 57% ± 11% under typical conditions. Models to understand differences in aerodynamic and mass transport effects identify enhanced drying within the NanoJet printhead as a likely cause of this difference. Overall, this study provides improved understanding of the aerosol jet printing process, including valuable insight to inform process optimization, robust data analysis, ink formulation, and printer geometric design.},
doi = {10.1088/2058-8585/aba2bb},
journal = {Flexible and Printed Electronics},
number = 3,
volume = 5,
place = {United States},
year = {Thu Jul 30 00:00:00 EDT 2020},
month = {Thu Jul 30 00:00:00 EDT 2020}
}
Web of Science
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