Dielectric Constant

The MicroThin Series features 1.5–5 μm ultra-thin copper foil supported by a carrier foil. It is designed for high-density, fine-line circuitry formation in advanced electronic applications

High-performance materials for embedded capacitors, supporting improved electrical performance and higher circuit integration.

Advanced crystalize grain structure control technology delivers outstanding flexibility and durability, maintaining excellent performance even after repeated bending.

Advanced smooth surface treatment technology minimizes transmission loss in high-frequency signal applications to the greatest extent possible.

Mitsui Kinzoku's negative combines high contraction efficiency, flexible customization options, and a wide operating temperature range, delivering optimal performance across a broad range of applications.

We offer a wide range of rare earth oxides and rare earth compounds.

We manufacture and customize metal, oxide, nitride, and compound sputtering targets, including Cu, Al, Ti, Mo, In₂O₃, ZnO, SnO₂, AZO, TCO, SiN, and AlN, and propose optimal materials for displays, semiconductors, solar cells, and other PVD applications.

A next-generation ITO target that suppresses particle generation and helps stabilize the deposition process.

High-quality targets ideal for cylindrical sputtering systems that enable high-efficiency, uniform deposition.

We provide oxide semiconductor targets, with a focus on high-performance IGZO targets.

Our proprietary technologies achieve high density and provide high-quality ITO targets with reduced nodule formation.