updated 10:56 AM UTC, Nov 16, 2021

Suspended Silicon MPW call

CORNERSTONE users are invited to submit designs to the first Suspended Silicon MPW call.

A process design kit (PDK) is available using Luceda’s IPKISS software, subject to purchasing the appropriate license. To obtain a copy of the software and a license key, please contact Luceda by sending an email to This email address is being protected from spambots. You need JavaScript enabled to view it., specifying that you require a license for CORNERSTONE PDK usage. Of course, the CORNERSTONE PDK is free of charge if you already have a valid IPKISS license.  

Access to this run is free to UK academia. We are grateful to Compugraphics who are supporting the CORNERSTONE 2 project with discounted reticles/masks. Other access to this run is charged with the following cost options:

Design Area Access Cost*
11.47 mm x 4.9 mm £5,200
5.5 x 4.9 mm £3,750

*Quoted prices are exclusive of VAT, import duties/customs fees, withholding taxes etc

The sign-up deadline is Friday 28th January 2022. The mask submission deadline is Friday 25th February 2022.

For more information, full design rules and quick reference design rules, please download the CORNERSTONE Suspended-Si 1st Call Design Rules documents and the .GDSII template files. 

In order to help you ensure that you comply with the design rules, you can also download a design rule check (DRC) checklist.

For any queries, including questions on bespoke processing i.e. custom etch depths etc., please contact This email address is being protected from spambots. You need JavaScript enabled to view it.