Nano Nuggets

Find here a collection "Nano Nuggets"- useful bits of information about different processing methods that should be helpful either in getting started or avoiding problems along the way. Some of them are parts of more detailed project reports, so if you want more info about a nugget, the report should be linked.

White Paper: Introduction to the Green Gap Project: InGaN-GaN Multiple Quantum Wells for Green LEDs on Si

This phenomenon is known as ‘green gap’. This document provides a brief background into the technical challenges that inspired the Green Gap E241 project.
Addressing Grassing and Overetch in SiO2 Hardmask

Troubleshooting tips for roughened surfaces after etch (also called grassing or line edge roughness).
Basics of Block Copolymer Directed Self Assembly

Block copolymer Directed Self Assembly (DSA) is a technique used to create high resolution structures without advanced lithography techniques.
Nickel Silicide Bonding Tips

Helpful hints about getting started on a wafer bonding project including tools to get trained on, material selection, and device design.
Au-Sn Eutectic chip-bonding for high heat flux vapor chamber applications using Flip Chip Bonder: Suggestions and Tips

Here are some getting started tips for use of Pyrex wafers in the SNF lithography and Flip Chip Bonding equipment.
Helpful hints for grayscale lithography on the Heidelberg MLA 150

When using grayscale lithography on the Heidelberg, there are a few quirks that may slow down your progress. This document provides some warnings and helpful tricks to overcome the common roadblocks.
A Quick Guide to Aligned Transfer of 2D Materials in ExFab glovebox-r

Operating manual for glovebox-r and the transfer station located inside the glovebox.
A Study of Analytical and Empirical Resist Reflow in the Literature

A summary of the main findings in the literature regarding resist reflow.
Finetech Lambda Flipchip Bonder and Process Integration New User Tips

“Tips” or “tricks” on use of the Lambda Flipchip Bonder and the integration with lithography and metallization steps that are used in preparation for bonding.
Voltera Maintenance and Troubleshooting

Various maintenance and troubleshooting tips for the Voltera V-One tool. As this tool is new to SNF, and relatively new to the market, one should expect some teething issues.