Photolithography

Welcome ! Here you should find all the information you need to understand, plan and manage the photolithography steps of your project. If you are new to CMi, please read through all three sections:

Introduction to photolithography – Theory
Process flow – Planning
Photolithography in CMi – Processing

If you wish to dig deeper into certain topics, some links to external resources are provided. The Photolithography team is also available to answer any questions you may have.

Spincoating with photoresist dynamic dispense

1. Introduction

Introduction to photolithography

2. Process flow

Select the appropriate photoresist for your application

Determine which tool you need to use

How to work with small substrates

3. Photolithography in CMi

Photoresist + chemicals

List of photoresist and polymers for spin coating

List of chemicals for photolithography (development, stripping, adhesion promoter, etc..)

Exposure

Guidelines to create your CAD layout/pattern

How to fabricate a mask or reticle (for mask-aligner or stepper lithography)

Photoresist inspection, stripping and descum

Safety

How to work with small substrates (diced rectangle-shaped chips)