---
title: "UKRI-5634 LPD Silicon Interposers"
ocid: "ocds-h6vhtk-061285"
canonical_url: "https://d3tenders.com/contract/?ocid=ocds-h6vhtk-061285"
markdown_url: "https://d3tenders.com/contract/ocds-h6vhtk-061285.md"
json_url: "https://d3tenders.com/contract/ocds-h6vhtk-061285.json"
source: "Find A Tender Service"
current_stage: "Award"
buyer: "UK RESEARCH & INNOVATION (UKRI)"
published: "2026-03-26"
---

# UKRI-5634 LPD Silicon Interposers

Buyer: UK RESEARCH & INNOVATION (UKRI)  
Current stage: Award  
OCID: ocds-h6vhtk-061285

[View canonical contract page](https://d3tenders.com/contract/?ocid=ocds-h6vhtk-061285)  
[Download OCDS JSON](https://d3tenders.com/contract/ocds-h6vhtk-061285.json)

## Summary

UK Research & Innovation (UKRI), a public authority in central government based in Swindon, Wiltshire, has completed a procurement process for the supply of silicon interposers tailored for the Large Pixel Detector at the European XFEL, under the tender titled "UKRI-5634 LPD Silicon Interposers." The procurement, identified by ID 028105-2026, was conducted through a direct award method owing to technical reasons, with the contract awarded to Silex Microsystems AB. This procurement falls under the category of goods, specifically sensors, and is covered by GPA standards. The contract commenced on 17 February 2026 and will run until 16 February 2027, with a contract value of £185,635.98 excluding VAT.

This tender presents significant business growth opportunities, particularly for enterprises specialising in high-tech sensor technologies and silicon components within the manufacturing and technology sectors. Primarily, large organisations like Silex Microsystems AB, given their scale and expertise, succeed in such procurements where specialised technical requirements limit broader competition. However, it also signals potential future opportunities for SMEs and VCSEs as UKRI continues to engage in advanced technical procurements, thus indicating prospects for businesses that can demonstrate unique technical capabilities or partnerships in developing innovative solutions for public-sector projects.

## Notice

This purchase relates to the supply of silicon interposers for the Large Pixel Detector at the European XFEL, for STFC-TECH

### Procurement Information

Contract awarded as a Single Source Direct Award, as competition is absent due to technical reasons.

## Key Details

| Field | Value |
| --- | --- |
| Publication source | Find A Tender Service |
| Latest notice | https://www.find-tender.service.gov.uk/Notice/028105-2026 |
| Notice type | UK7 - Contract Details Notice |
| Procurement type | Standard |
| Procurement category | Goods |
| Procurement method | Direct |
| Procurement method details | Direct award |
| Tender suitability | SME, VCSE |
| Awardee scale | Large |
| All stages | Award |

## Dates

| Field | Value |
| --- | --- |
| Publication date | 26 Mar 2026 |
| Submission deadline | Not specified |
| Future notice date | Not specified |
| Award date | 30 Jan 2026 |
| Contract period | 17 Feb 2026 - 16 Feb 2027 |
| Recurrence | Not specified |

## Values

| Field | Value |
| --- | --- |
| Tender value | Not specified |
| Lots value | Not specified |
| Awards value | £185,635 |
| Contracts value | £185,635 |

## Status

| Field | Value |
| --- | --- |
| Tender status | Complete |
| Lots status | Complete |
| Awards status | Active |
| Contracts status | Active |

## Buyer

| Field | Value |
| --- | --- |
| Main buyer | UK RESEARCH & INNOVATION (UKRI) |
| Locality | SWINDON, WILTSHIRE |
| Post town | Swindon |
| Postcode | SN2 1FL |
| Country | England |
| ITL 1 | TLK South West (England) |
| ITL 2 | TLK7 Gloucestershire and Wiltshire |
| ITL 3 | TLK71 Swindon |
| Local authority | Swindon |
| Electoral ward | Rodbourne Cheney |
| Westminster constituency | Swindon North |
| Delivery location | Not specified |

## Supplier

| Field | Value |
| --- | --- |
| Number of suppliers | 1 |
| Supplier names | SILEX MICROSYSTEMS |

## CPV Codes

### Divisions

- 35 - Security, fire-fighting, police and defence equipment

### Codes

- 35125100 - Sensors

## Release History

- 26 Mar 2026 at 15:54 - Award - UK7 - Contract Details Notice - https://www.find-tender.service.gov.uk/Notice/028105-2026
- 30 Jan 2026 at 14:55 - Award - UK6 - Contract Award Notice - https://www.find-tender.service.gov.uk/Notice/008539-2026
- 30 Jan 2026 at 07:45 - Award - UK5 - Transparency Notice - https://www.find-tender.service.gov.uk/Notice/008279-2026

## Documents

- https://www.find-tender.service.gov.uk/Notice/028105-2026
  26th March 2026 - Contract details notice on Find a Tender
- https://www.find-tender.service.gov.uk/Notice/008539-2026
  30th January 2026 - Contract award notice on Find a Tender
- https://www.find-tender.service.gov.uk/Notice/008279-2026
  30th January 2026 - Transparency notice on Find a Tender

## Notice URLs

- https://www.legislation.gov.uk/ukpga/2023/54/contents
- https://www.ukri.org/

## Provenance

This Markdown file is an alternate public rendering of the D3 Tenders contract record. The canonical page is https://d3tenders.com/contract/?ocid=ocds-h6vhtk-061285. The underlying structured data is available as OCDS JSON at https://d3tenders.com/contract/ocds-h6vhtk-061285.json.