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Smoltek has received a new patent for improving the capacitance density of our CNF-MIM capacitors. This innovation, a type of capacitor, can increase the capacitance density by two to three times, which is crucial for Smoltek's business and technology growth.
The patent is the first one in a new catÂeÂgoÂry called MulÂtiÂlayÂer Cap, and describes a method for creÂatÂing a layÂered capacÂiÂtor using a metÂal-insuÂlaÂtor-metÂal (MIM) strucÂture. This method involves stackÂing conÂducÂtor-insuÂlaÂtor layÂers to enhance capacÂiÂtance denÂsiÂty, a key feaÂture of Smoltek’s CNF-MIM capacÂiÂtor technology.
CapacÂiÂtance denÂsiÂty is one of the most imporÂtant KPIs of our CNF-MIM capacÂiÂtor techÂnolÂoÂgy. In this new patent, we proÂpose a techÂnique that douÂbles or triples the capacÂiÂtance denÂsiÂty through an innoÂvatÂing mulÂti-layÂer structure.
Farzan GhaÂvaniÂni, CTO at Smoltek.
The patent disÂclosÂes a disÂcrete metÂal-insuÂlaÂtor-metÂal (MIM) capacÂiÂtor comÂpoÂnent based on the proÂpriÂetary carÂbon nanofiber techÂnolÂoÂgy develÂoped at Smoltek. It also describes the strucÂture of such capacÂiÂtor and the relatÂed microÂfabÂriÂcaÂtion processÂes to realÂize it
The patent includes two main claims: one for the strucÂture of the capacÂiÂtor and anothÂer for the manÂuÂfacÂturÂing process. This invenÂtion focusÂes on improvÂing metÂal-insuÂlaÂtor-metÂal (MIM) capacÂiÂtors and batÂterÂies, includÂing capacÂiÂtors and batÂterÂies, through a new, innoÂvÂaÂtive mulÂti-layÂer structure.
Smoltek’s patent portÂfoÂlio now globÂalÂly comÂprisÂes 90 grantÂed patents. Read more about our IP and patents.
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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.