Skip to content
Step-by-step guides

Photoresist tutorials.

Photoresist tutorials are step-by-step walkthroughs of the maskless lithography process — from a clean substrate to a patterned, inspected film, with datasheet-cited values throughout.

New here? Start with your first pattern below. For the principle behind each step see the processing guidelines; for the numbers, the recipe library; for the vocabulary, the glossary.

Tutorial · Beginner9 min read

Your first pattern on a maskless tool

A beginner's step-by-step walkthrough of your first photolithography pattern on a maskless direct-write tool: choose a resist, coat, expose, develop and inspect.

Start the tutorial →
Tutorial · Beginner7 min read

Spin coating your first wafer

A step-by-step look at spin coating a wafer: dispense, spread, spin to final speed, remove the edge bead, soft-bake, and inspect for spin defects.

Start the tutorial →
Tutorial · Planning7 min read

Choosing a photoresist

How to choose a photoresist: work through tone, film thickness, application and chemistry family, each routed to a filtered view of the recipe library.

Start the tutorial →
Tutorial · Process9 min read

Using photoresist as an etch mask

Use photoresist as an etch mask: matching adhesion, selectivity and hard bake to a wet or dry etch, sizing thickness, and a full clean-to-strip walkthrough.

Start the tutorial →
Tutorial · Process9 min read

Lift-off lithography, step by step

How to run a lift-off process: the undercut mechanism, single-layer, bilayer and image-reversal routes, metal-deposition limits, and a step-by-step flow.

Start the tutorial →
Tutorial · Process8 min read

Photoresist moulds for electroplating

How to build a photoresist mould for electroplating: mould requirements, choosing a thick resist, and the seed, coat, expose, develop, plate and strip flow.

Start the tutorial →
Tutorial · Process9 min read

Photoresist for microfluidics: master moulds and channels

Photoresist for microfluidics: SU-8 master moulds for PDMS soft lithography, resist as permanent channel walls, channel-height control and the mould flow.

Start the tutorial →
Tutorial · Design guide8 min read

Permanent photoresist as a MEMS structural material

Using photoresist as a MEMS structural material: sacrificial versus permanent roles, why cross-linked epoxy like SU-8 is unstrippable, and multi-layer release.

Start the tutorial →
Tutorial · Design guide8 min read

High-aspect-ratio photoresist patterning

High-aspect-ratio photoresist patterning: what aspect ratio means, why deep narrow features are hard, and which resists reach 10:1 and beyond.

Start the tutorial →
Tutorial · Advanced8 min read

Grayscale lithography: 3D structures in photoresist

How grayscale lithography builds 3D structures in photoresist: dose-per-pixel to depth-per-dose, which resists suit grayscale, and on-tool calibration.

Start the tutorial →
Tutorial · Intermediate8 min read

Image reversal lithography, step by step

Image reversal lithography, step by step: pattern expose, reversal bake, flood expose and develop a positive resist into an undercut lift-off profile.

Start the tutorial →
Start here

Jump to the right place

Already know what you need? Go straight to the filtered recipe library or the resist-class explainer for the family you’re working with.

Pattern it at 365 and 405 nm

NANYTE BEAM is a desktop maskless lithography system with software-selectable dual-wavelength exposure and 16-bit grayscale — no photomask, no mask cost, same-day iteration.

What is NANYTE BEAM?

General photolithography reference material, not a specification of any particular NANYTE BEAM configuration. Product names and trademarks belong to their respective owners; NANYTE is not affiliated with the manufacturers mentioned.