Tempress, a wholly-owned subsidiary of Amtech Group (Nasdaq; ASYS), is located in the Netherlands. Tempress’ 45 years heritage in developing and producing diffusion equipment and related processes is a testament to the company’s flexibility, innovation, quality, and dedication. As a result, Tempress has shipped a commanding 25 GW of diffusion furnace systems for Solar applications. The Semiconductor experience is a fundament for our technology and knowledge. In order to meet the market’s demand for more efficient and cost effective solar cells, Tempress has developed strategic relationships with leading Solar research institutes, universities, industry partners and our customers. This close collaboration is a technology enabler.

Our rich history enables us to deliver cutting-edge Solar technology supplemented with diffusion & deposition equipment and automation solutions to our large customer base. Our goal is to continue supporting our customers in their pursuit for higher efficiencies and lowest Cost of Ownership.

Company Information


Tempress Systems B.V.
Radeweg 31, 8171 MD Vaassen
The Netherlands

Phone: 31.578 699 200
Fax: 31.578 693 693

Europe & Asia:

Technical Support Worldwide:

Employment Opportunities: