Stepwise current electrical sintering method for inkjet-printed conductive ink
- Title
- Stepwise current electrical sintering method for inkjet-printed conductive ink
- Author
- 문승재
- Keywords
- FILMS
- Issue Date
- 2014-08
- Publisher
- IOP PUBLISHING LTD
- Citation
- JAPANESE JOURNAL OF APPLIED PHYSICS, 2014, 53(5), 05HC07
- Abstract
- An innovative electrical current sintering technique is applied to joule-heat conductive ink by increasing current gradually through a stepwise-form. This stepwise electrical sintering technique is devised to overcome thermal damage of printed conductive ink line during electrical sintering due to its high initial resistance. To monitor a stepwise electrical sintering method, in-situ specific resistance was measured. Surface morphology of the sample was observed by field-emission scanning electron microscope. By increasing the current gradually, the conductive line can endure higher current because the specific resistance has dropped gradually during the process. Finally, enhanced final-step current produces lower specific resistance of the conductive line than that obtained from a constant current-supplying electrical sintering method without damaging printed conductive line. (C) 2014 The Japan Society of Applied Physics
- URI
- http://iopscience.iop.org/article/10.7567/JJAP.53.05HC07/metahttp://hdl.handle.net/20.500.11754/47916
- ISSN
- 0021-4922; 1347-4065
- DOI
- 10.7567/JJAP.53.05HC07
- Appears in Collections:
- COLLEGE OF ENGINEERING[S](공과대학) > MECHANICAL ENGINEERING(기계공학부) > Articles
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