{{Refimprove|date=July 2016}} '''Substrate''' is used in a converting process such as printing or coating to generally describe the base material onto which, e.g. images, will be printed.<ref>{{cite web |title=Substrates: Paper and Non-paper Substrates for Printing |publisher=CAERT, Inc. |website=Illinois State Board of Education (ISBE) |url=https://www.isbe.net/CTEDocuments/GC-760021.pdf |access-date=10 April 2026 |quote=In graphic communication, a substrate is the base material on which an image is printed (or coated).}}</ref> Base materials may include: * plastic films or foils, * release liner * textiles, * plastic containers * any variety of paper (lightweight, heavyweight, coated, uncoated, paperboard, cardboard, etc.),<ref name="Izdebska2016">{{cite book |last=Izdebska |first=Joanna |chapter=Flexographic Printing |title=Printing on Polymers: Fundamentals and Applications |editor1-last=Izdebska |editor1-first=Joanna |editor2-last=Thomas |editor2-first=Sabu |publisher=William Andrew |date=2016 |pages=179–197 |isbn=978-0-323-37468-2 |url=https://www.sciencedirect.com/science/article/pii/B9780323374682000117 |access-date=May 6, 2026 |quote=Printing is done on different substrates such as uncoated and coated paper, cardboard and also plastic film material.}}</ref> or * parchment.

==Electronics== {{main|Planar transmission line#Substrates}} Printing processes such as silk-screening and photolithography are used in electronics to produce printed circuit boards and integrated circuits. Some common substrates used are;<ref>Rogers & Plett, p. 162</ref> * Glass-reinforced epoxy, eg FR-4 board * Ceramic-PTFE laminate, eg 6010 board * Alumina ceramic * Silicon * Gallium arsenide * Sapphire * Quartz

==References== {{Reflist}}

==Bibliography== * Rogers, John WM; Plett, Calvin, ''Radio Frequency Integrated Circuit Design'', Artech House, 2010 {{ISBN|1-60783-980-6}}.

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{{DEFAULTSORT:Substrate (Printing)}} Category:Paper products Category:Printing Category:Publishing Category:Publications by format