What is lithography?

semiconductor

In computing, lithography is the process of imprinting patterns onto semiconductors to use in circuits.

Photolithography is used to transfer a pattern from a photomask to the surface of a substrate.

The first stage is the imposition of a structure on the beam of light, which is passed through a mask and projected onto the silicon wafer.

The ‘resist’, which is a coating on the wafer, undergoes chemical changes when exposed to light. The solubility of the material is modified and formed into a stencil through the application of a solvent.

 

What’s the next stage?

Technology Term:

Lithography

Standard Definition Exists?

A method analogous to lithography, used in making printed circuits.

Year first used/coined:

1796

Attributed to:

Alois Senefelder in the Kingdom of Bavaria

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