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Thomas Swan Scientific Equipment have over 20 years experience in compound semiconductor industry and have become the leading supplier of Metal Organic Chemical Vapour Deposition (MOCVD) systems and components. In order to meet their expansion needs the company relocated to a purpose built factory in Cambridge.

With the move in 1999 they looked for an integrated computerised Access Control and Fire Roll Call system for the new factory. They wanted to bolster security to ensure that no unauthorised person could enter the building. Additionally, they also wanted an easy way to account for all employees and visitors on site.

Thomas Swan surveyed the market and chose Tensor because of it’s advanced technology incorporating Smart Cards and sophisticated, automatic Fire Roll Call. The system was installed by Tensor in November 2001 and comprised a T2561 clocking station, 6 Access Control scanners, Fire Roll Call printer and an intercom so that visitors can talk to reception.

The factory has around 100 employees who use the system to clock in and out each day. They also use 15-20 Smart Cards for sub-contractors and another 10 for visitors.

The system has been used very successfully by managers for checking absences and timekeeping. said payroll administrator Heather Watts.

The tensor system gives us better productivity as we are not losing man hours through timekeeping and absences and that alone pays for the system said Heather, The WinTA system is a great asset to the company.

The thing that Heather Watts most liked was the reporting, which she described as very interesting. They’re great for the manager and we print off weekly reports, which we can then file for the auditors. Being able to produce reports so that we can check how much contractors are billing us is great as well. In fact the contractors don’t even argue with us as they know we have a Tensor system

The tensor system has been a success and coped very well. It has achieved everything we wanted it to achieve in respect to security and fire roll call. explained Heather.

Thomas Swan test the fire system every week and found that the fire roll call facility worked very well in previous drills.

Company Information

Thomas Swan Scientific Equipment Ltd. (TSSE) is a leading global supplier of MOCVD (Metal Organic Chemical Vapour Deposition) reactors and components to the compound semiconductor industry.

TSSE design and manufacture both production and R&D systems utilising our patented close-coupled showerhead (CCS) and Epison process control technology for the reliable production of uniform, high quality InP, GaAs and GaN based materials. Each system is based on a set of well-established principles and can be custom configured to individual customer needs.

TSSE started in Cambridge in 1983 as the Semiconductor Equipment Division of the specialist chemical company, Thomas Swan & Company. The division was acquired in September 1999 by the world’s leading manufacturer of CVD technology, AIXTRON A.G.. The acquisition resulted in the name being changed to Thomas Swan Scientific Equipment Ltd.

At our new premises, we have a production capacity in excess of 60 MOCVD systems a year, and have the latest equipment to manufacture our Close-Coupled Showerhead (CCS) reactor systems, Episorb & Epicat gas scrubbers and the Epison gas concentration monitor.

Thomas Swan Scientific Equipment is a company that addresses a global market, with more than 240 systems having been supplied throughout the world, including over 140 CCS MOCVD Reactors. We owe a significant amount of this expansion to the recommendations of customers who have been delighted with the quality of equipment and technical expertise that TSSE provides.

TSSE continues to ensure its success by developing and maintaining close relationships with the compound semiconductor community as well as long-term investment in the company infrastructure, technology, products, services and support.


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