<?xml version="1.0" encoding="UTF-8"?><?xml-stylesheet type="text/xsl" href="static/style.xsl"?><OAI-PMH xmlns="http://www.openarchives.org/OAI/2.0/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/ http://www.openarchives.org/OAI/2.0/OAI-PMH.xsd"><responseDate>2026-09-20T10:56:22Z</responseDate><request verb="GetRecord" identifier="oai:dspace.mit.edu:1721.1/55253" metadataPrefix="dim">https://dspace.mit.edu/server/oai/request</request><GetRecord><record><header><identifier>oai:dspace.mit.edu:1721.1/55253</identifier><datestamp>2022-01-13T07:54:36Z</datestamp><setSpec>com_1721.1_7582</setSpec><setSpec>com_1721.1_7581</setSpec><setSpec>col_1721.1_131023</setSpec></header><metadata><dim:dim xmlns:dim="http://www.dspace.org/xmlns/dspace/dim" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:doc="http://www.lyncode.com/xoai" xsi:schemaLocation="http://www.dspace.org/xmlns/dspace/dim http://www.dspace.org/schema/dim.xsd">
   <dim:field mdschema="dc" element="contributor" qualifier="advisor" lang="en_US">David E. Hardt.</dim:field>
   <dim:field mdschema="dc" element="contributor" qualifier="author" lang="en_US">Zhu, Yufei</dim:field>
   <dim:field mdschema="dc" element="contributor" qualifier="other" lang="en_US">Massachusetts Institute of Technology. Dept. of Mechanical Engineering.</dim:field>
   <dim:field mdschema="dc" element="contributor" qualifier="department">Massachusetts Institute of Technology. Department of Mechanical Engineering</dim:field>
   <dim:field mdschema="dc" element="date" qualifier="accessioned">2010-05-25T21:10:27Z</dim:field>
   <dim:field mdschema="dc" element="date" qualifier="available">2010-05-25T21:10:27Z</dim:field>
   <dim:field mdschema="dc" element="date" qualifier="copyright" lang="en_US">2009</dim:field>
   <dim:field mdschema="dc" element="date" qualifier="issued" lang="en_US">2009</dim:field>
   <dim:field mdschema="dc" element="identifier" qualifier="uri">http://hdl.handle.net/1721.1/55253</dim:field>
   <dim:field mdschema="dc" element="identifier" qualifier="oclc" lang="en_US">612354356</dim:field>
   <dim:field mdschema="dc" element="description" lang="en_US">Thesis (M. Eng.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 2009.</dim:field>
   <dim:field mdschema="dc" element="description" lang="en_US">Cataloged from PDF version of thesis.</dim:field>
   <dim:field mdschema="dc" element="description" lang="en_US">Includes bibliographical references (p. 79-80).</dim:field>
   <dim:field mdschema="dc" element="description" qualifier="abstract" lang="en_US">In 2008, a group of MIT Master of Engineering students built a roll to roll machine for printing thiol onto a flexible gold substrate by self-assembly. The machine demonstrated good performance in high speed printing (400 ft/min). Since single layer printing is limited in industrial application, we reconfigured this machine for multi-layer printing . Our project includes developing a device that can fabricate high quality stamps, which is vital in print quality; increasing the roll to roll machine accuracy in critical components, which helps increases the machine's repeatability. In addition, we have designed a multilayer printing system using the same technology and demonstrated it with the upgraded machine. The flat stamp cast by the new machine can achieve the flatness of ±16 [micro]m with thickness of 1194 [micro]m, compared to ±32 [micro]m of stamp made with other machine. An initial experiment with multi-layer printing using the upgraded machine has shown that better control of the roll drive system and better registration measurement will be required to meet the necessary specification. However, the first experiment did can achieve alignment errors of 1017 [micro]m along the printing direction and 113 [micro]m across the printing direction</dim:field>
   <dim:field mdschema="dc" element="description" qualifier="statementofresponsibility" lang="en_US">by Yufei Zhu.</dim:field>
   <dim:field mdschema="dc" element="description" qualifier="degree" lang="en_US">M.Eng.</dim:field>
   <dim:field mdschema="dc" element="format" qualifier="extent" lang="en_US">4, 2-80 p.</dim:field>
   <dim:field mdschema="dc" element="language" qualifier="iso" lang="en_US">eng</dim:field>
   <dim:field mdschema="dc" element="publisher" lang="en_US">Massachusetts Institute of Technology</dim:field>
   <dim:field mdschema="dc" element="rights" lang="en_US">M.I.T. theses are protected by 
copyright. They may be viewed from this source for any purpose, but 
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permission. See provided URL for inquiries about permission.</dim:field>
   <dim:field mdschema="dc" element="rights" qualifier="uri" lang="en_US">http://dspace.mit.edu/handle/1721.1/7582</dim:field>
   <dim:field mdschema="dc" element="subject" lang="en_US">Mechanical Engineering.</dim:field>
   <dim:field mdschema="dc" element="title" lang="en_US">Design and manufacturing of high precision roll-to-roll multilayer printing machine -- machine upgrade</dim:field>
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	&lt;Language>eng&lt;/Language>
   	&lt;Title>Design and manufacturing of high precision roll-to-roll multilayer printing machine -- machine upgrade&lt;/Title>
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   	&lt;PublicationDate>2009&lt;/PublicationDate>
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        	&lt;DisplayName>Zhu, Yufei&lt;/DisplayName>
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            &lt;DisplayName>Massachusetts Institute of Technology&lt;/DisplayName>
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    &lt;License>http://dspace.mit.edu/handle/1721.1/7582&lt;/License>
    &lt;Keyword>Mechanical Engineering.&lt;/Keyword>
   	&lt;Abstract>In 2008, a group of MIT Master of Engineering students built a roll to roll machine for printing thiol onto a flexible gold substrate by self-assembly. The machine demonstrated good performance in high speed printing (400 ft/min). Since single layer printing is limited in industrial application, we reconfigured this machine for multi-layer printing . Our project includes developing a device that can fabricate high quality stamps, which is vital in print quality; increasing the roll to roll machine accuracy in critical components, which helps increases the machine&amp;apos;s repeatability. In addition, we have designed a multilayer printing system using the same technology and demonstrated it with the upgraded machine. The flat stamp cast by the new machine can achieve the flatness of ±16 [micro]m with thickness of 1194 [micro]m, compared to ±32 [micro]m of stamp made with other machine. An initial experiment with multi-layer printing using the upgraded machine has shown that better control of the roll drive system and better registration measurement will be required to meet the necessary specification. However, the first experiment did can achieve alignment errors of 1017 [micro]m along the printing direction and 113 [micro]m across the printing direction&lt;/Abstract>
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