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Smoltek is awarded a new patent in Korea. This patent is the fourth one of the patent family in the direction of CNF-MIM based compact energy storage on interposers. This also means that our global patent portfolio now comprises 71 granted patents.
Smoltek’s 71st patent has been granted in Korea and is covering the invention and manufacturing of extremely thin energy storage devices embedded in an interposer. Our energy storage device concepts may take many forms e.g. discrete, integrated, or it can take the form where the end result is an interposer with CNF-MIM capacitors embedded in it.
“This is the fourth 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 area of semiconductors and electronics”, says Karl Lundahl, VP Product Management and Industrialization at Smoltek.
Smoltek’s inventions in the area of semiconductors and electronics facilitate 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. The CNF-MIM-technology offers the smallest form-factor for integrated high-performance capacitors by providing very high capacitance per area at a fragment of height compared with today’s technologies.
Interposers are frequently used in today’s advanced packaging architectures for integrated circuits,. The present patented concepts are built on the need to improve circuit performance by enabling a compact energy storage to be fabricated and embedded into an interposer substrate.
Smoltek’s patent portfolio now globally comprises 71 granted 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.
IR Blog Posts
June 16, 2025
Smoltek Semi joins an elite club of companies achieving 1 µF/mm² capacitance density, but stands alone in reaching this milestone with an ultra-thin profile. This breakthrough unlocks the under-chip real estate that represents the holy grail of capacitor placement in modern electronics.
News
June 12, 2025
Smoltek Hydrogen is developing Smoltek PTE – a proprietary porous transport electrode based on carbon nanostructures, which is intended to meet the requirements of next-generation PEM electrolyzers for the production of fossil-free hydrogen.
News
June 11, 2025
Smoltek Semi has successfully engineered an advanced dielectric stack that surpasses 1 microfarad per Square millimeter capacitance milestone.