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Choosing an electron beam power supply is not as simple as matching the kW rating printed on the front of the old unit. The power supply is part of a complete electron-beam evaporation system, and a replacement must work with: YTI offers new and refurbished electron beam power supplies while also supporting repair and refurbishment […]
An electron-beam power supply problem can stop a deposition process immediately—or slowly reduce process stability long before the supply completely fails. Operators may see: But one of the most important rules in electron-beam troubleshooting is this: The symptom does not always identify the failed component. The power supply operates as part of a larger system […]
An electron beam power supply is one of the core electronic components behind an electron-beam evaporation system. It provides the controlled high voltage and emission power required for the electron-beam source to generate a beam, direct that beam toward evaporation material and deliver the energy needed to heat the material under vacuum. But the power […]
As Polycold cryochillers continue operating decades after installation, maintenance teams increasingly face questions about refrigerant availability. Can the original refrigerant still be obtained? Is there a newer alternative? Can an older Polycold system simply be charged with a different refrigerant? Should the unit be converted? These questions are becoming more important as environmental regulations, refrigerant […]
If you operate a vacuum coating system, you may hear operators refer to “the Polycold” as though it were another vacuum pump attached to the chamber. That description is convenient, but it is not quite accurate. A Polycold cryochiller is a closed-loop cryogenic refrigeration system that can cool a cryocoil, Meissner coil, cryobaffle or another […]
Polycold cryochillers and water-vapor pumping systems can remain in service for many years, but the equipment operates as part of a much larger refrigeration and vacuum process. When performance begins to decline, the cause is not always as simple as a failed component or low refrigerant charge. A Polycold system that takes longer to reach […]
ORAFOL Customer Case Study: Refurbishing Three DIP 20000 Diffusion Pumps Restoring reliable high-vacuum performance for an industrial metalizer When vacuum equipment supports a production process, reliable performance depends on much more than repairing a single component. The pumps must be serviced correctly, reinstalled properly and evaluated as part of the complete vacuum system. ORAFOL contacted […]
Diffusion Pump Remanufacturing & Repair | Yeagle Technology Diffusion Pump Remanufacturing: A Complete Guide to Restoring Vacuum Performance Diffusion pump remanufacturing is a multi-step process that restores a worn or failed high-vacuum pump to original equipment manufacturer (OEM) specifications. For vacuum coating systems, this service is a powerful, cost-effective alternative to full replacement, addressing critical […]
Interfacing Diffusion Pumps with Vacuum Chambers | YTI A Guide to Interfacing Diffusion Pumps with a New Coating Chamber Integrating an existing diffusion pump with a new or repurposed vacuum coating chamber is a common task in many R&D and manufacturing environments. To ensure success, this process requires more than just bolting parts together. Proper […]
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