Substrate (printing)
# 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
