Substrate is a term used in materials science and engineering to describe the base material on which processing is conducted. Surfaces have different uses, including producing new film or layers of material and being a base to which another substance is bonded.
Description
In materials science and engineering, a substrate refers to a base material on which processing is conducted. This surface could be used to produce new film or layers of material such as depositedcoatings. It could be the base to which paint, adhesives, or adhesive tape is bonded.
A typical substrate might be rigid such as metal, concrete, or glass, onto which a coating might be deposited. Flexible substrates are also used.[1] Some substrates are anisotropic with surface properties being different depending on the direction: examples include wood and paper products.
With all coating processes, the condition of the surface of the substrate can strongly affect the bond of subsequent layers. This can include cleanliness, smoothness, surface energy, moisture, etc.
Coating can be by a variety of processes, including:
^Gent (1986), Pull-off Forces for Adhesive Tapes(PDF), OFFICE OF NAVAL RESEARCH Contract N00014-85-K-0222,Project NR 092-555, AD-A166820, archived(PDF) from the original on May 27, 2021, retrieved 21 May 2021
^Hughes (1986), "Electrostatic Powder Coating"(PDF), Ntis Ad Number:d439308, Research Studies Press Ltd., archived(PDF) from the original on May 27, 2021, retrieved 21 May 2021
