title: Substrate (printing)
text: # Substrate (printing)
  
  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. Base materials may include:
  
  * plastic films or foils,
  * release liner
  * textiles,
  * plastic containers
  * any variety of paper (lightweight, heavyweight, coated, uncoated, paperboard, cardboard, etc.), or
  * parchment.
  
  ## Electronics
  
  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;
  
  * Glass-reinforced epoxy, eg FR-4 board
  * Ceramic-PTFE laminate, eg 6010 board
  * Alumina ceramic
  * Silicon
  * Gallium arsenide
  * Sapphire
  * Quartz
  