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The Multilayer Cap patent family introduces a MIM-capacitor device that can double or triple the capacitance density of Smoltek's CNF-MIM capacitors. The patent details an invention for a layered energy storage device, specifically a capacitor, built using a metal-insulator-metal (MIM) configuration.
The invention: A MIM energy storage device comprising a bottom electrode; a plurality of conductive vertical nanostructures; conformally coating a bottom conductive control layer of each of the plurality of conductive vertical nanostructures; and a layered stack of alternating conductive control layers and electrode layers conformally coating the bottom conductive control layer, the layered stack including at least a first odd-numbered electrode layer at the bottom of the layered stack, a first odd-numbered conductive control layer directly on the first odd-numbered electrode layer, and a first even-numbered electrode layer directly on the first odd-numbered conductive control layer. Each even-numbered electrode layer in the layered stack is conductively connected to the bottom electrode; and each odd-numbered electrode layer in the layered stack is conductively connected to any other odd-numbered electrode layer in the layered stack.
Patent Office | Patent |
---|---|
China | CN115428107B |
USA | US12183520 |
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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.
Media mentions
June 17, 2025
This is a summary of an article featuring Smoltek titled "Smoltek bryter teknisk barriär och efterlyser pengar" published by elektroniktidningen on June 16, 2025.
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.