Design Rules & PDK
You can stay up to date with the latest MPW calls through our website, LinkedIn page and mailing list. You can find information about our schedule and costs here. If you’re interested in participating in a live MPW call, simply fill out our sign up form. For a visual understanding of our process flows, we have animations available on our YouTube channel.
Live MPW Calls
MPW #35 SOI 220nm
CORNERSTONE users are invited to submit designs to MPW #35 SOI 220nm. The sign-up deadline is Friday 26th January. The mask submission deadline is Wednesday 21st February.
| Design Area | Cost with heaters | Cost with heaters (priority) | Cost without heaters | Cost without heaters (priority) |
| 11.47 mm x 15.45 mm | £14,250 | £17,900 | £9,000 | £11,300 |
| 5.5 mm x 4.9 mm | £10,500 | £13,200 | £6,250 | £7,900 |
*Quoted prices are exclusive of VAT, import duties/customs fees, withholding taxes etc. For further information about our pricing options, click here.
For more information, full design rules and quick reference design rules, please download the CORNERSTONE MPW #35 – 220 nm SOI Call Design Rules documents and the .GDSII template files. You can also download the measured SiN refractive index data to assist with your modelling.
Silicon-on-insulator MPW #35 Design Rules
Silicon-on-insulator MPW #35 Quick Reference Design Rules
Silicon-on-insulator MPW #35 GDS Template
To help you comply with the design rules, we offer a downloadable design rule check (DRC) checklist. If you use Tanner L-Edit software, you can also access a .tdb template with an included DRC file for automatic violation detection. Please note that while the automatic DRC is helpful, reading and understanding the design rules in detail remains essential for full compliance.
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CORNERSTONE MPW #35 L-Edit DRC
SiN MPW #7 - SIGN UP DEADLINE PASSED
CORNERSTONE users are invited to submit designs to SiN MPW #7. The sign-up deadline is Friday 1st December. The mask submission deadline is Wednesday 3rd January.
| Design Area | Cost with heaters | Cost without heaters |
| 11.47 mm x 15.45 mm | £11,900 | £5,800 |
*Quoted prices are exclusive of VAT, import duties/customs fees, withholding taxes etc
For more information, full design rules and quick reference design rules, please download the CORNERSTONE SiN 7th Call Design Rules documents and the .GDSII template files. You can also download the measured SiN refractive index data to assist with your modelling.
Silicon Nitride MPW #7 Design Rules
Silicon Nitride MPW #7 Quick Reference Design Rules
Silicon Nitride MPW #7 GDS Template
To help you comply with the design rules, we offer a downloadable design rule check (DRC) checklist. If you use Tanner L-Edit software, you can also access a .tdb template with an included DRC file for automatic violation detection. Please note that while the automatic DRC is helpful, reading and understanding the design rules in detail remains essential for full compliance.
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Get Discount
We encourage users to include the Engineering and Physical Sciences Research Council (EPSRC) funded CORNERSTONE (EP/L021129/1) or CORNERSTONE 2 (EP/T019697/1) in the “Funding” section of relevant journal publications. This is crucial for us to demonstrate the impact of the funding.
If you share the digital object identifier (DOI) of your published journal paper that references one of the CORNERSTONE projects, you will receive a 5% discount on the access charges listed in Table 1 for your first paper. For two or more journal papers, you will receive a 10% discount.
Previous Design Rules
MPW #34 500nm SOI
The sign-up deadline is Friday 1st September 2023
Suspended-Silicon MPW #4
The mask submission deadline is Friday 28th July 2023.
Suspended Si MPW #4 Design Rules
Suspended Si MPW #4 Quick Reference Design Rules
Ge-on-Si MPW #3
The mask submission deadline is Friday 28th July 2023.
Ge-on-Si MPW #3 Quick Reference Design Rules
Process Design Kit (PDK)
The CORNERSTONE Process Design Kit (PDK) is accessible through Luceda’s IPKISS software, which requires the appropriate license for usage. To acquire the software and obtain a license key, please reach out to Luceda via their website. When contacting them, make sure to specify that you require a license for CORNERSTONE PDK usage.
It’s important to note that if you already possess a valid IPKISS license, the CORNERSTONE PDK is available to you free of charge.
Open source standard components
The CORNERSTONE platform has a number of open source standard components available for use for each of its platforms.
The documents below detail the standard device dimensions for each platform, as well as measured performance data:
Get in touch
If you would like to discuss any of our services, then please do not hesitate to contact us.