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David E. Hardt. Yang, Wenzhuo, M. Eng. Massachusetts Institute of Technology Massachusetts Institute of Technology. Dept. of Mechanical Engineering. Massachusetts Institute of Technology. Department of Mechanical Engineering 2010-05-25T21:08:43Z 2010-05-25T21:08:43Z 2009 2009 http://hdl.handle.net/1721.1/55240 611990660 Thesis (M. Eng.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 2009. Cataloged from PDF version of thesis. Includes bibliographical references (p. 74-75). In 2008, a prototype machine demonstrating the application of roll-to-roll technology in micro-contact printing was developed. In this research, the prototype machine was upgraded by designing and machining a device that could fabricate a flat stamp with significantly less variance. The print roll wrapping system was reconfigured in order to capture the stamp with uniform force and good alignment. The motion control for the print roller and impression roller was also improved. In addition multi-layer printing with the updated machine was tested. This thesis focuses on the general design of the updated system and the measurement of key components of the systems as well as the print quality. Results demonstrate that the flat stamp can achieve the flatness of ±16 [micro]m with thickness of 1194 [micro]m; that the wrapping process can guarantee a print roller roundness error in the 20 [micro]m range; that the distortion of the print using the updated system is approximately 3.8. The multi-layer printing test did not achieve acceptable results owing to a lack of proper control of the machine. However, initial trials, achieved alignment errors of 1017 [micro]m along the printing direction and 113 [micro]m across the printing direction. by Wenzhuo Yang. M.Eng. 4, 2-75 p. eng Massachusetts Institute of Technology M.I.T. theses are protected by copyright. They may be viewed from this source for any purpose, but reproduction or distribution in any format is prohibited without written permission. See provided URL for inquiries about permission. http://dspace.mit.edu/handle/1721.1/7582 Mechanical Engineering. Design and manufacturing of high precision roll-to-roll multi-layer printing machine : measurement and experiment Thesis application/pdf Publication unknown unknown <Publication xmlns="https://www.openaire.eu/cerif-profile/1.1/" id="56559d39-9b7f-45e7-bf2f-68f4a52286b1"> <Type xmlns="https://www.openaire.eu/cerif-profile/vocab/COAR_Publication_Types">http://purl.org/coar/resource_type/c_1843</Type> <Language>eng</Language> <Title>Design and manufacturing of high precision roll-to-roll multi-layer printing machine : measurement and experiment</Title> <PublishedIn> <Publication> </Publication> </PublishedIn> <PublicationDate>2009</PublicationDate> <Authors> <Author> <DisplayName>Yang, Wenzhuo, M. Eng. Massachusetts Institute of Technology</DisplayName> <Affiliation> <OrgUnit> </OrgUnit> </Affiliation> </Author> </Authors> <Editors> </Editors> <Publishers> <Publisher> <DisplayName>Massachusetts Institute of Technology</DisplayName> <OrgUnit /> </Publisher> </Publishers> <License>http://dspace.mit.edu/handle/1721.1/7582</License> <Keyword>Mechanical Engineering.</Keyword> <Abstract>In 2008, a prototype machine demonstrating the application of roll-to-roll technology in micro-contact printing was developed. In this research, the prototype machine was upgraded by designing and machining a device that could fabricate a flat stamp with significantly less variance. The print roll wrapping system was reconfigured in order to capture the stamp with uniform force and good alignment. The motion control for the print roller and impression roller was also improved. In addition multi-layer printing with the updated machine was tested. This thesis focuses on the general design of the updated system and the measurement of key components of the systems as well as the print quality. Results demonstrate that the flat stamp can achieve the flatness of ±16 [micro]m with thickness of 1194 [micro]m; that the wrapping process can guarantee a print roller roundness error in the 20 [micro]m range; that the distortion of the print using the updated system is approximately 3.8. The multi-layer printing test did not achieve acceptable results owing to a lack of proper control of the machine. However, initial trials, achieved alignment errors of 1017 [micro]m along the printing direction and 113 [micro]m across the printing direction.</Abstract> <Access xmlns="http://purl.org/coar/access_right" > </Access> </Publication>