• Tempress offers specialized solutions

    for Semiconductor customers and lowest cost of ownership systems in solar


To provide innovative furnace solutions to customers in the market for power semiconductors, MEMS, photonics and batteries. To drive the cost of ownership for solar businesses.


A serious player in unique customizable furnace solutions for advanced semiconductor devices.


With high qualified personnel, Tempress provides Service of value to your business

Research & Development

R&D at Tempress drives innovative solutions into the market. From specialized furnace solutions for the semiconductor and MEMS markets, to high volume equipment with the most competitive lowest cost of ownership for the Solar market.


Tempress is located in the Netherlands. Tempress’ 50 years of heritage in developing and producing diffusion equipment and related processes is a testament to the company’s flexibility, innovation, quality, and dedication. Tempress has shipped more than 30 GW of diffusion furnace systems for Solar applications. The Tempress Semiconductor experience is a fundamental part of our core 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 naturally, our customers. This close collaboration is a technology enabler.

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Quality, Environment, Health & Safety is in our DNA

It is our ultimate priority to be a strategic partner in a high tech industry, which is driven by knowledge and innovation, in a manner that exceeds customer expectations. Our policy is to establish a professional customer relationship, listen to our customer vision and mission, which translate into solutions for tomorrows challenges.

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Our Products

Serving the Semiconductor, Solar, MEMS and Photonics market with our versatile TS series systems and SPECTRUM platform for high volume manufacturing needs
Tempress SPECTRUM is the platform for high volume manufacturing, focused on solar processes
The Small Batch Vertical Furnace (SBVF) can process wafers up to 200 mm
The TS series is Tempress’ versatile horizontal furnace system that is configurable to meet our customer demands in the Semiconductor, Solar, MEMS and Photonics industries.

Our Products (Solar)

Tempress SPECTRUM is a batch-type PECVD system for SiOx and SiNx deposition on silicon solar cells
The Tempress SPECTRUM LPCVD Poly system is used for in-situ oxide and poly deposition in a so-called ‘TopCon’ solar cell
The third generation of Tempress BBr3 systems uses the common Tempress SPECTRUM platform, thereby strengthening Tempress’ position as global leader in BBr3 diffusion furnaces.
Due to 40 years of experience, Tempress has established a POCl3 diffusion platform capable of delivering the most stable, reproducible and versatile process conditions at the lowest cost of ownership.
The POCl3 diffusion process is the most suitable and versatile method for creation of an n-type dopant layer.

Why Choose us?


"To our goal of continuous improvement of our production portfolio, the R&D team of Trina Solar has collaborated with that of Tempress' R&D team in the development of our advanced Topcon technology. We selectively work with partners as we address capacity gaps and plan for the growing global demand for our products and we are pleased to have had a long relationship with Tempress and continue to do so over time. Their diligent team is proven in their ability to deliver equipment meeting our very strict quality specifications as we upgrade and expand our production capacity."

Mr. Shouzhong Chen

Head of Global Module Supply and Manufacturing added @ Trina Solar's

“We see a continuous high output from the Tempress PECVD systems. Thanks to these systems we are capable of running our production lines with high stability and reliability, and keeping our cost structure low.”

Operations manager

Operations manager @ Tier 1 PV manufacturer

Find out the latest news?

Tempress has installed and brought into production the first Tempress Chinese made furnace at an Asian Tier1 Solar manufacturer. The major milestone follows the transfer of the latest solar production…
Tempress has finalized the manufacturing of the first production system in Kunshan. The major milestone follows the transfer of the latest solar production platform from Vaassen, the Netherlands to its…
Tempress has received a purchase order from a large solar cell manufacturer for PECVD silicon nitride furnaces. The Tempress PECVD system combines best in class uniformity deposition at highest system…
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Schedule a call

Tempress Systems Head Office
Radeweg 31
The Netherlands

(+31) 578 699 200