In 2026, Tempress and SPT Microtechnologies joined together to form a global thermal processing solutions provider. The collaboration is backed by Jolt Capital, serving pioneers in semiconductor manufacturing.
Tempress' purpose is to support pioneers in the semiconductor, power, MEMS, photonics, solar, life sciences and coating markets to produce advanced materials and devices with high-value, innovative furnace solutions. Tempress has over 60 years of experience in developing and producing diffusion and deposition equipment and related processes. This heritage reflects the company's flexibility, innovation, quality and dedication.
Our technologies and products have advanced the semiconductor and solar industry. Tempress' headquarters and assembly and testing facilities are located in Vaassen, The Netherlands. Tempress Systems Inc.'s office and manufacturing is located in Silicon Valley, California with an additional manufacturing site in Korea. Customers worldwide are supported by our highly professional direct sales and service people and commercial partner network.
We believe that semiconductor technologies are critical to develop solutions to keep the world clean, connected and healthy.
We support pioneers with high value, customized and scalable diffusion and deposition solutions.
Honesty – We believe in absolute integrity.
Ownership – We believe in teamwork and keeping our promises.
Ambition – We believe in being bold and positive.
Our organization takes its inspiration from the Dutch landscape: flat and open. We embrace challenges to deliver the best solution for each customer. We stand by our customers in good times and challenging ones, and we stay engaged until every problem is solved.
Our priority is to be a strategic partner in the knowledge- and innovation-driven high-tech industry, and exceed customer expectations. We build professional customer relationships and take the time to understand each customer's vision and mission, translating them into solutions for tomorrow's challenges.
All Tempress locations operate under ISO 9001:2015 certified quality management systems. Tempress Systems Inc. (San Jose, CA) additionally maintains ISO 14001:2015 certification for environmental management.
Tempress has a rich heritage of providing high quality thermal processing equipment to our worldwide customer base. Our ISO 9001:2015 compliant quality policy is focused on the following practices:
Tempress Systems Inc. (San Jose, CA) recognizes the importance of protecting our environment and is committed to reducing and monitoring impact to the environment. Our Environmental Management System (EMS) complies with the ISO 14001:2015 standard and encompasses the following practices:
Tempress was founded.
First diffusion furnaces produced in the Netherlands; several remain in operation today.
Watkins-Johnson atmospheric CVD platforms expand the company’s installed base and service heritage.
Acquired by Amtech. Designed new vertical diffusion furnace.
Market introduction small batch vertical furnace.
Introduction of TS Series furnaces for diffusion and LPCVD.
Integrated wafer automation.
World leader in solar cell production diffusion furnaces.
Introduction of a dedicated solar cell production furnace.
Launch of the five stack Spectrum LP / PECVD furnace for solar cell production.
Tempress enters a new chapter under the ownership of Innovation Industries.
Introduction of the AVP Ace vertical batch processor for 150–200mm wafers.
Introduction of the RVP Ace vertical batch processor for 200–300mm wafers.
Introduction of the TS Series V horizontal furnace platform.
Launch of the VS Series vertical furnace platform.
Tempress and SPT Microtechnologies join forces
Radeweg 31, NL-8171 MD, Vaassen, Netherlands
Tel: +31-578-699200 sales@tempress-systems.com5750 Hellyer Ave., Suite 10, CA 95138, San Jose, United States
Tel: +1 408-571-1400 sales@tempress-systems.com4F-6, No 120, Sec. 2, Gong Dao Wu Road, 30056, North District, Taiwan
Tel: +886 3 573 0806 Fax: +886 3 573 0807 sales@tempress-systems.comProvianthofstr. 1, 01099, Dresden, Germany
Tel: +49 351-260-6510 Fax: +49 351-260-6539 sales@tempress-systems.com108 Yuyuan Road, Room 507, 200040, Jing'an Qu, China
Tel: +86-21-5068-5735 sales@tempress-systems.comRadeweg 31
NL-8171 MD Vaassen
The Netherlands
Tel.: +31-578-699200
Contact: Mr. Maarten IJzerman
E-mail: sales@tempress-systems.com
Radeweg 31
NL-8171 MD Vaassen
The Netherlands
Tel.: +31-578-699200
Fax: +31-578-693693
Contact: Mr. Rob de Jong
E-mail: sales@tempress-systems.com
3 Allée des Tamaris
91220 Le Plessis-Pâté
France
Tel.: +33-160-846-724
Mob.: +33-687-918110
Contact: Mr. Pascal Guerche
E-mail: pascal.guerche@wanadoo.fr
Radeweg 31
NL-8171 MD Vaassen
The Netherlands
Tel.: +31-578-699200
Contact: Mr. Rob de Jong
E-mail: sales@tempress-systems.com
8
1st Main Vidyarany Pura
Jalahalli
Bangalore 560 097
India
Tel.: +91-80-23640503
Fax: +91-80-23641170
E-mail: sales@elcamino.in
E-mail: chetnamohan@elcamino.in
18-63 Tsukusino 3 Chome
Machida City
Tokyo 194-0001
Japan
Tel.: +81 (90) 9380-1394
Contact: Fukumi Tomino
E-mail: ftomino@ftr-intl.com
Room 1908
F-Dong
The Sharp First World
4-1 Songdo-Dong
Yeonsu-Gu
Incheon City 21997
Korea
Tel.: +82-32-438-0367
Mob.: +82-(0)10-3731-0368
Fax: +82-32-438-0368
Contact: B.H. Lee
E-mail: leebestech@leebestech.com
E-mail: bhlee@leebestech.com
Shin Chu Office 7F-1
No. 26
Tai Yaun St.
Chu-Pei City
Hsin-Chu 302
Taiwan
R.O.C.
Tel.: +886-3-552-6767
Mob.: +886-911296282
Fax: +886-3-552-6565
E-mail: info@kromax.com
Web: www.kromax.com
Radeweg 31
NL-8171 MD Vaassen
The Netherlands
Tel.: +31-578-699200
Contact: Mr. Maarten IJzerman
E-mail: sales@tempress-systems.com
6209 Mid Rivers Mall Dr.
Saint Peters
MO 63304
United States
Tel.: +1 314 406 5500
Contact: Scott A. Jungers
President
E-mail: scott@vuestar.com
Web: vuestar.com
Tempress Systems is partnering with 7 leading companies in packaging solutions in the connect project.
Tempress at SEMICON India 2026, 17-19 September 2026 in New Delhi. Meet us in Yashobhoomi (IICC), El Camino - Booth 556 / NL Pavilion - Booth 923
Jolt Capital invests €20M in Tempress and Tempress to acquire SPT Microtechnologies USA as double consolidation play in high-end semiconductor equipment.
The modular TS Series V horizontal furnace runs up to four furnace stacks independently and simultaneously, maximizing process flexibility per square meter of cleanroom space.