NewsUnverified
The Japan Steel Works develops ECR sputtering equipment for photonic devices with substrate inversion mechanism
Thursday, March 19, 2026 at 10:18 AM
The Japan Steel Works has detailed the development of a specialized Electron Cyclotron Resonance (ECR) sputtering system designed for photonic devices. This equipment features a substrate inversion and lifting mechanism to improve manufacturing precision for advanced optical components.
Context
On March 21, 2026, Japan Steel Works (JSW) announced the development of a specialized ECR (Electron Cyclotron Resonance) sputtering system designed for photonic devices. This equipment features a new substrate inversion and lifting mechanism, specifically engineered to improve film quality and uniformity in the production of high-performance optical components. The announcement was detailed in the Japan Steel Works Technical Report No. 76, released in late 2025, highlighting the company’s push into the next-generation semiconductor and photonics supply chain.
This development matters because ECR sputtering allows for high-density plasma deposition at low temperatures, which is critical for sensitive photonic materials like GaN (Gallium Nitride) and Al2O3. Recent evidence indicates JSW’s ECR technology can achieve leakage current densities 100 times lower than standard methods while maintaining high crystallinity at temperatures as low as 350°C. By automating substrate inversion, the tool likely addresses the need for double-sided coating or complex multi-layer stacks required for integrated silicon photonics and advanced sensors.
Sources (11)
handbook of sputter deposition technologyPolarity Control of an All-Sputtered Epitaxial GaN/AlN/Al Film on a Si(111) Substrate by Intermediate Oxidization | ACS OmegaIssue 9R - Volume 29 - Japanese Journal of Applied Physics - IOPscienceHigh-quality GaN thin film deposition at low temperature by ECR plasma-assisted sputter deposition method and its dependence of sapphire substrate misorientation angle | Request PDFThin-film Characterization – dielectric coatings, metal coatings, monitoring, spectroscopy, photometry, interferometry, scattering, diffractionAdvancements in transfer printing techniques and their applications ...Inverse design and optical vortex manipulation for thin-film ...Fabrication and photonic applications of Si-integrated LiNbO3 and BaTiO3 ferroelectric thin films | APL Materials | AIP Publishing
Related Companies
Japan Steel Works
5631