---
title: "Bonding for Microwave Windows in Ultra- High Vacuum Boundaries for STEP - Phase 2"
ocid: "ocds-h6vhtk-05d3a2"
canonical_url: "https://d3tenders.com/contract/?ocid=ocds-h6vhtk-05d3a2"
markdown_url: "https://d3tenders.com/contract/ocds-h6vhtk-05d3a2.md"
json_url: "https://d3tenders.com/contract/ocds-h6vhtk-05d3a2.json"
source: "Find A Tender Service"
current_stage: "Award"
buyer: "UNITED KINGDOM INDUSTRIAL FUSION SOLUTIONS"
published: "2025-10-24"
---

# Bonding for Microwave Windows in Ultra- High Vacuum Boundaries for STEP - Phase 2

Buyer: UNITED KINGDOM INDUSTRIAL FUSION SOLUTIONS  
Current stage: Award  
OCID: ocds-h6vhtk-05d3a2

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## Summary

United Kingdom Industrial Fusion Solutions has completed the procurement process titled "Bonding for Microwave Windows in Ultra-High Vacuum Boundaries for STEP - Phase 2." This process falls under the research and development industry category, specifically dealing with services related to the design and execution of R&D. Located in Abingdon, Culham, the procurement method used was direct, specifically below threshold and without competition. The contract was awarded to Amentum Clear Energy Limited on 16th October 2025, with the contract period set from 31st October 2025 to 31st March 2026. This procurement stage is classified as 'award', signifying a complete and active contracting process, with future milestone dates scheduled before the contract's start.

This tender presents significant opportunities for businesses in the field of research and development services, particularly those specialising in high-tech prototype development and consultancy. Companies experienced in creating metal-to-ceramic bonding solutions for technical applications will find this contract highly beneficial for expanding their capabilities. Such opportunities are ideal for large-scale enterprises with the capacity to handle high-complexity projects. The project’s ultimate aim involves advancing innovation in ultra-high vacuum technology, providing contractors with the potential for substantial growth and the enhancement of their technological portfolios.

## Notice

This document outlines technical specifications for the development of metal to ceramic bonding prototypes for use in low power microwave vacuum barriers and a feasibility paper based study for the production and testing of the ceramic-to-metal joints produced in phase 1 of this project (of reduced diameter). To view this notice, please click here: https://www.delta-esourcing.com/delta/viewNotice.html?noticeId=987222136

## Key Details

| Field | Value |
| --- | --- |
| Publication source | Find A Tender Service |
| Latest notice | https://www.find-tender.service.gov.uk/Notice/068308-2025 |
| Notice type | UK6 - Contract Award Notice |
| Procurement type | Standard |
| Procurement category | Services |
| Procurement method | Direct |
| Procurement method details | Below threshold - without competition |
| Tender suitability | Not specified |
| Awardee scale | Large |
| All stages | Award |

## Dates

| Field | Value |
| --- | --- |
| Publication date | 24 Oct 2025 |
| Submission deadline | Not specified |
| Future notice date | Not specified |
| Award date | 15 Oct 2025 |
| Contract period | 31 Oct 2025 - 31 Mar 2026 |
| Recurrence | Not specified |

## Values

| Field | Value |
| --- | --- |
| Tender value | Not specified |
| Lots value | Not specified |
| Awards value | £100,366 |
| Contracts value | Not specified |

## Status

| Field | Value |
| --- | --- |
| Tender status | Complete |
| Lots status | Complete |
| Awards status | Active |
| Contracts status | Not specified |

## Buyer

| Field | Value |
| --- | --- |
| Main buyer | UNITED KINGDOM INDUSTRIAL FUSION SOLUTIONS |
| Locality | CULHAM |
| Post town | Oxford |
| Postcode | OX14 3DB |
| Country | England |
| ITL 1 | TLJ South East (England) |
| ITL 2 | TLJ1 Berkshire, Buckinghamshire and Oxfordshire |
| ITL 3 | TLJ14 Oxfordshire CC |
| Local authority | South Oxfordshire |
| Electoral ward | Sandford & the Wittenhams |
| Westminster constituency | Didcot and Wantage |
| Delivery location | Not specified |

## Supplier

| Field | Value |
| --- | --- |
| Number of suppliers | 1 |
| Supplier names | AMENTUM CLEAR ENERGY |

## CPV Codes

### Divisions

- 73 - Research and development services and related consultancy services

### Codes

- 73000000 - Research and development services and related consultancy services
- 73300000 - Design and execution of research and development

## Release History

- 24 Oct 2025 at 15:05 - Award - UK6 - Contract Award Notice - https://www.find-tender.service.gov.uk/Notice/068308-2025

## Documents

- https://www.find-tender.service.gov.uk/Notice/068308-2025
  24th October 2025 - Contract award notice on Find a Tender

## Notice URLs

- https://www.delta-esourcing.com/delta/viewNotice.html?noticeId=987222136
- https://www.legislation.gov.uk/ukpga/2023/54/contents

## 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-05d3a2. The underlying structured data is available as OCDS JSON at https://d3tenders.com/contract/ocds-h6vhtk-05d3a2.json.