What it sells
Making Diamond Semiconductors
Business model breakdown
Buyer: who owns the budget?
UnverifiedR&D and materials/device engineering teams at thermal management, quantum sensing/computing, power electronics, photonics and RF firms or labs.
Trigger: what makes them buy now?
Heat density and power limits of Si, SiC and GaN devices; need for diamond with controlled orientation, isotope and impurity specs for quantum work.
Workflow: what inputs become what output?
Customer specifies orientation, thickness, surface finish, impurity/isotope profile; Kara grows, processes and characterizes diamond in-house and ships substrates, membranes, heat spreaders or custom fabrication.
Economics: what it saves and how it charges
UnverifiedMaterials sales of engineered single-crystal diamond products and custom work; no prices or volumes published.
Distribution: how it reaches customers
Direct inquiry via Contact page; custom-spec orders.
Funding history and coverage
| Round date | Stage | Amount | Investors | Source |
|---|---|---|---|---|
| — | Y Combinator Summer 2026 | — | Y Combinator | ycombinator.com |
Profiles summarize public reporting and company websites. Business-model notes are MaxBC's reading of that material, not confirmed facts; unknowns are left blank rather than guessed. Updated 2026-10-12.