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Smoltek is awarded a new patent. This Korean patent is the second of a patent family in the direction of CNF-MIM based compact energy storage interposers. This means that our patent portfolio now comprises 56 granted patents.
“This is the second granted patent from our second wave of patent filings that protect our CNF-MIM capacitor technology and various use cases for the same, primarily in the semiconductor and electronics spaces,” says Dr Shafiq Kabir, Founder and Chief Innovation Officer at Smoltek.
Interposers are frequently used in today’s advanced packaging architectures for integrated circuits, for example commonly used for microprocessors. The present patented concepts are built on the need to improve circuit performance by enabling a compact energy storage interposer.
Smoltek’s inventions facilitate such integration of extremely low-profile solid state energy storage devices such as CNF-MIM capacitors, closer to the connection points and power rails of the active chips. CNF-MIM offers industry’s smallest formfactor for integrated high-performance capacitors, this by providing very high capacitance per area at a fragment of height compared with today’s technologies.
Dr Shafiq Kabir concludes:
“We are now witnessing the first granted patents related to CNF-MIM in interposer applications, and this is happening in line with industrial needs. We are constantly striving for R&D and IP protection schemes that bring new disruptive solutions to problems that traditional technologies cannot address efficiently.”
Smoltek’s patent portfolio now globally comprises 56 granted patents. Read more about our IP and patents.
Image: Shafiq Kabir, CIO at Smoltek
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News
February 24, 2026
An independent, third-party reliability test of our CNF-MIM capacitor technology has confirmed the reliability results communicated on February 5, 2026. The independent validation, performed by a major capacitor manufacturer, also reduces technical risk in the commercialization process and strengthens Smoltek’s credibility in ongoing negotiations with industrial partners.
News
February 5, 2026
Smoltek’s CNF-MIM capacitors demonstrate excellent stability in a new 1,000-hour life test at 85°C under applied 2 volts. No degradations were observed, and the capacitors exhibited more than 1,000 times lower current leakage compared to the previous life test.
News
November 20, 2025
We have launched a podcast about materials technology and investments in general and our disruptive carbon nanotechnology in particular.
News
November 17, 2025
Smoltek Semi is currently optimizing the company’s advanced PECVD system to ensure implementation of its most recent technological innovations in CNF synthesis, enabling compliance with stringent customer requirements, prior to installation at ITRI in Taiwan.
News
November 5, 2025
Smoltek Semi has reached an important technical milestone in the development of the company’s carbon fiber-based CNF-MIM technology. The capacitors have successfully passed a 1,000-hour high-temperature durability test, confirming the robustness of the technology for advanced applications.
News
October 24, 2025
Smoltek Semi has acquired a plasma-enhanced Atomic Layer Deposition (ALD) system to implement its advanced dielectric stack on carbon nanofibers. The system will significantly reduce the iteration time of coating processes while enabling innovation and IP generation in dielectric stack technology for carbon nanofiber electrodes.