Company
CoolSem
Advancing chip fundamentals through material and thermal innovation.
Also known as CoolSem Technologies, CoolSem Technologies B.V.
- Status
- Operatingas of 2026-09-20
- Business model
- B2B
- Headquarters
- Eindhoven, The Netherlands
- Legal name
- CoolSem Technologies B.V.
- coolsemtechnologies.com (opens in a new tab)
- LinkedIn (opens in a new tab)
- Press page (opens in a new tab)
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Record updated 20 September 2026
About
CoolSem’s patented wafer-level thermal management technology helps chips run cooler, last longer, and perform beyond today’s limits.
Funding snapshot
- Latest round
- Pre seed2026-01-19
Funding rounds
- Pre seed
- 2026-01-19
- Debt
- 2025-10-30
Products
- Hardware
- WaLTIS®
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