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Smoltek is awarded a new patent. This US patent is the first of a patent family in the direction of CNF-MIM capacitor applications on interposers. This brings our IP portfolio now to consists of 54 granted patents.
“This is the first granted patent from our second wave of patent filings that is protecting 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 processors. The present patented concepts are built on the need to improve circuit performance by smarter integration of functional elements to the interposer.
Our 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: “This new patent grant has arrived in perfect time with respect to the industry’s need for new solutions for its advanced circuit architectures. It is rewarding to witness that that our R&D and IP protection schemes are well aligned and together provide new disruptive solutions to problems that traditional technologies cannot address.”
Smoltek’s patent portfolio now globally comprises 54 granted patents. Read more about our IP and patents.
Figure: example embodiment – expanded view of interposer assembly
Top image: Smoltek Management team
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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.