Theta Technologies
The world’s only provider
of Nonlinear resonance NDT
Revolutionising the metal AM industry with our unique non-destructive testing technology.
about Theta Technologies
Theta Technologies’ offers a unique non-destructive testing solution for even the most complex AM parts manufactured for critical applications. Our patented Nonlinear Resonance NDT technology offers unrivalled cost and time savings in the detection of a range of flaws that other inspection methods cannot match.
what drives us
Our unique technology offers a number of key advantages over other non-destructive testing methods on the market.
The vision
To enable our customers to implement faster, safer, and more economical systems, by offering innovative, game-changing NDT solutions.
The mission
To drive the boundaries of non-destructive testing technology for our customers.
The values
We pride ourselves on working both internally and externally with honesty, integrity and delivering to exceptional standards.
Theta Technologies
OUR STORY
2007
Theta Technologies Limited Established
As a spin-out from Exeter University, Theta Technologies Limited was established.
2008
First patent application submitted
Our very first patent application was submitted.
2011
First private investment round
2013
First contract with European Space Agency
We embark on our first major collaborative project with the European Space Agency. The project was designed to provide imaging of wave scattering in solid materials.
Innovate UK project Friction Harmonics
Another significant project begins, which is focussed on the on-line control of friction stir welding processes using ultrasonic test techniques.
First appearance at BINDT conference
Patent granted in China
2015
First stand at Advanced Engineering Show
2017
NATEP project on Nonlinear Resonance
To possibilities of triaging through non-destructive testing are assessed in collaboration with the National Aerospace Technology Exploitation Programme.
2018
Innovate UK project RASCAL
The rapidly evolving metal additive manufacturing industry helped initiate project RASCAL where we begin to assess scalable NDT for AM.
US Patent granted
2021
EU patent granted
2022
UK patent granted
First appearance at TCT 3sixty event
Theta Technologies attended their first TCT event in Birmingham, UK to unveil the world’s first nonlinear resonance non-destructive testing solution.
RD1-TT announced
Officially unveiled at TCT 3sixty, Theta Technologies announce their first commercially available NDT product, RD1-TT.
First appearance at Formnext event
Theta descended on Frankfurt, Germany to showcase RD1-TT at the world’s largest additive manufacturing industry exhibition.
BAE and AMRC project announced
Late 2022 saw major Aerospace and Defence manufacturers BAE Systems and AMRC North West adopt RD1-TT as part of a significant collaboration.
2023
ISO/ASTM TR 52905:2023 Published
Theta Technologies’ nonlinear resonance NDT solution recognised as a viable and ‘promising’ technology.
Toulouse Aerospace Test & Development Show
First exhibition of nonlinear resonance NDT and RD1-TT in France.
Flaw induction paper published in collaboration with Plymouth Science Park
Creation of statistically significant reference sample sets for validation, optimization, and demonstration of non-destructive testing techniques, particularly for the additive manufacturing sector.
2024
RD1-TT arrives in Turin @Labormet Due
Nonlinear resonance NDT and RD1-TT hit the Italian market for the first time.
Control Messe Stuttgart Exhibition
Theta Technologies’ first exhibition with Astute Group.
The ASTM International Conference of Additive Manufacturing
Theta Technologies’ Commercial Director, Steve Butler, and Technology Manager, Daniel Sanmartin present nonlinear resonance NDT and instigate medical sector deployment with RMS company.
meet the team
From professors to highly-experienced engineers, every member of the Theta Technologies team is dedicated to delivering revolutionary non-destructive testing solutions for our customers.
Prof. James Watts
Chief Executive Officer
James completed a Ph.D. in Semiconductor Physics at the University of Exeter, before working on radar hardware design and analysis at the UK Defence Research Agency (Now QineticQ). Moving back to the South West in 2005, he was Chief Engineer, then Chief Executive at Flann Microwave, an SME with an international reputation for the design and manufacture of RF and microwave equipment for telecommunications, space, defence, and medical applications. As Chief Technical Officer, James is responsible for guiding the company’s talented engineering team to turn its heritage of world-leading research in nonlinear acoustics into real products that make a difference.
Steve Butler
Chief Commercial Officer
Steve is a private investor in Theta and has been a non-executive director since December 2012. He then went on to become CEO in August 2019. An aeronautical engineer by education, he has over 30 years’ of experience in the commercial and defence aerospace markets. He majored in international commercial negotiations and has led a number of SMEs including Claverham (sold to UTC in 2004) and more recently Sogeclair Aerospace UK.
Julian Wright
Intellectual Property Officer
Julian has held a variety of roles since he joined Theta Technologies Limited in 2011. An acoustics engineer by education, Julian spent 17 years in the audio industry and 10 years in software development and academic research. As Intellectual Property Officer, he is currently leading on the IP development and protection of Theta’s technology and products. He also supports the production of AM standards on BSI and ISO committees.
Kristofer Delaney
Operations Manager
Kris is a chartered engineer with a wealth of experience in offshore oil and gas sectors. He has previously designed and developed subsea cable ploughs and pipelay tower pinned connections in the offshore sector, applying finite element techniques to accelerate design processes and provide evidence for third-party certification. Kris joined Theta Technologies in 2020 and is responsible for new product development and process implementation with day-to-day responsibility for ensuring the necessary resources, support, and personnel availability for R&D and customer projects.
Daniel Sanmartin
R&D Manager
Daniel has over 15 years of experience working on Science and Engineering projects funded by both industry and academic institutions. Originally from Spain, where he obtained his first degree in Physics, he went on to obtain a Ph.D. at the University of Birmingham on Piezoelectric devices in 2011. Daniel joined Theta Technologies in 2017 and is responsible for driving the research and development activities necessary to develop existing products so they can meet the application requirements of Theta’s customers.
Bob Bigley
Chairman
Bob, having been a non-executive director and shareholder at Theta, took the Chair in January 2025. A chartered accountant, Bob has had a career in corporate finance, latterly as a partner at KPMG, as a CFO and as Group development director at R&R, now Froneri. Since retiring from executive roles, Bob has been an investor and Chair/Director with a number of developing businesses.
learn more
Find out more about this revolutionary NDT technology from the team that built it.
Theta Technologies Limited
Address
Theta Technologies Limited
3 Babbage Way
Exeter Science Park
Clyst Honiton
Exeter
EX5 2FN
United Kingdom
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