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Smoltek is awarded yet another approved patent, the fourth this year. The patent is also the third in a patent family protecting solutions for interposers based on the CNF-MIM capacitor concept. This means that our patent portfolio now comprises 59 granted patents.
The patent covers our CNF-MIM capacitor technology and various use cases for the same, primarily in the field of interposers for advanced packaging and heterogenous integration of semiconductors.
“It is very rewarding that the dedicated efforts to generate a new wave of inventions now starts to pay off. This patent is a recognition of that our technological approaches and concepts are cutting edge and innovative”, 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 and heterogeneous integrations. The present patented concepts are built on the need to improve circuit performance by enabling smarter interposers that integrates one or several compact energy storage devices.
Smoltek’s inventions facilitate integration of extremely thin solid state energy storage devices, such as CNF-MIM capacitors, closer to the interconnection points and power rails of the active chips. The CNF-MIM technology 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: “South Korea is an important market for our technology, hence it is of high importance to have a footprint with our new set of IP in such market. This goes in line with our constant strive for solid IP protection of our R&D schemes that bring new disruptive solutions to problems that traditional technologies cannot efficiently address.”
Smoltek’s patent portfolio now globally comprises 59 granted patents. Read more about our IP and patents.
Image: Smoltek R&D engineers in the Chalmers MC2 lab
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News
June 27, 2025
Smoltek Semi has cleared a significant milestone in the development of next-generation CNF-MIM capacitors. Samples from the latest prototype generation, fabricated with an advanced dielectric stack composed of zirconium oxide (ZrO₂) and aluminum oxide (Al₂O₃) have demonstrated exceptional stability under both temperature and voltage stress.
News
June 18, 2025
Smoltek Semi has initiated the signing of a technical service agreement with the Taiwanese Industrial Technology Research Institute (ITRI) that enables low-volume production of Smoltek's propriety CNF-MIM capacitors.
News
June 11, 2025
Smoltek Semi has successfully engineered an advanced dielectric stack that surpasses 1 microfarad per Square millimeter capacitance milestone.
News
June 11, 2025
Smoltek Semi develops CNF-MIM – a proprietary capacitor technology based on carbon nanofibers, which is intended to meet the demands of next-generation electronics, including applications in AI, smartphones and automotive electronics.
News
April 28, 2025
Smoltek is awarded yet another patent in the Discrete CNF-MIM patent family. The innovation discloses a discrete capacitor component based on our CNF-MIM technology that can achieve unparalleled high capacitance density. This also brings our IP portfolio to comprise 95 granted patents.
News
March 25, 2025
Smoltek Semi and the Taiwanese Industrial Technology Research Institute (ITRI) have finalized the technical framework for the establishment of a pilot production line for Smoltek's CNF-MIM capacitors at ITRI.