Tempress develops and supplies thermal process equipment used in diffusion, deposition and oxidation processes for semiconductor applications including power chips, photonics, MEMS and silicon carbide (SiC). The company is based in Vaassen and has nearly sixty years of experience serving chip manufacturers and research institutes worldwide. Tempress recently acquired SPT Microtechnologies USA, adding vertical ovens and subsidiaries in Germany and Taiwan to its portfolio. Management expects the combined business to deliver synergies in product development, manufacturing efficiency and global service. The company is supported by investors Jolt Capital and Innovation Industries as it pursues a broader international platform in semiconductor equipment.

Total raised

$23M

Funding rounds

1

Latest round

Equity

Latest activity

Jul 2026