Inert Piezoelectric Inkjet Print Head Technology for Alkaline Etch Process in Solar Cell Fabrication
Abstract:Piezoelectric inkjet technology is being used, tested and evaluated to replace traditional manufacturing processes in three main industries - flat panel display, printed electronics, and solar cells due to (1) efficient material usage (cost saving and environmentally friendly), (2) direct write process (an additive process), (3) speedy set-up (digital printing and no masks needed), (4) large area printing, (5) high productivity by increasing number nozzles and jetting frequency, (6) non contact printing for sensitive substrate, (7) print heads and jetting materials tailored for specific applications and (8) ultimately low capital investment. Especially, the emerging market opportunities in production of efficient “Gen. 5” solar panel different from conventional silicon wafer solar cell/modules manufacture will require two inkjet alkaline etch processes and thus inert piezoelectric inkjet print head design. This paper focuses on material compatibility associated with an aggressive alkaline etch process in the solar panel fabrication. Also reported is a life time study with customized Trident's 256 Jet-D print heads.
Document Type: Research Article
Publication date: January 1, 2009
For more than 25 years, NIP has been the leading forum for discussion of advances and new directions in non-impact and digital printing technologies. A comprehensive, industry-wide conference, this meeting includes all aspects of the hardware, materials, software, images, and applications associated with digital printing systems, including drop-on-demand ink jet, wide format ink jet, desktop and continuous ink jet, toner-based electrophotographic printers, production digital printing systems, and thermal printing systems, as well as the engineering capability, optimization, and science involved in these fields.
Since 2005, NIP has been held in conjunction with the Digital Fabrication Conference.
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