[Atmospheric Pressure Plasma Device - Example of Problem Solving] Superhydrophilicity Treatment on Teflon Surface
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Successful superhydrophilization of Teflon (PTFE/PFA) using an atmospheric pressure plasma device, achieving a contact angle near 5 degrees (in pure water).
We would like to introduce a case study of problem-solving using an atmospheric pressure plasma device. Recently, we successfully achieved surface modification of fluoropolymer (PTFE, PFA) to a contact angle close to 5 degrees (in pure water). Previously, the maximum value was around 50 degrees, but this was realized through optimization of recipes and other factors. By cutting the C-F bonds on the Teflon surface with plasma and terminating them with hydrophilic groups or functional groups, we achieved superhydrophilicity. We are confident that this will contribute to direct adhesion to FCCL copper foil for 6G applications in the future.
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Manufacturing various experimental devices Conducting on-site experiments *For more details, please contact us or download the PDF.*
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We are expanding a new approach using dry processes to leverage the reliability of our equipment and various know-how cultivated through sales performance, applying its advantages to other markets (such as the battery market and particles) alongside process applications. Our downstream-type high-density plasma source (electrode) processing section is isolated from the workpiece, preventing any electrical or physical damage to the workpiece, and eliminating the effects of ultraviolet light generated during plasma creation. This allows for the only clean processing (particle-free) possible with atmospheric pressure plasma equipment. By changing the added gases, we can selectively impart molecular functionality, enabling interface control according to various surface materials as a processing technology. This is an effective means for direct adhesion, adhesion of dissimilar materials, and enhancing the adhesion of stronger coatings. The processing width (plasma width) can uniformly handle from 100mm to 3000mm. We can also accommodate carbon fiber bundles and fiber bundle shapes, allowing for uniform processing even within the bundles. Additionally, we can handle the same processing for particles. We manufacture tabletop experimental devices of the downstream type, conduct spot-type device experiments (starting from 2.5 million yen), and also carry out on-site experimental sample work.
