[et_pb_section fb_built=”1″ admin_label=”section” _builder_version=”4.16″ global_colors_info=”{}”][et_pb_row admin_label=”row” _builder_version=”4.16″ background_size=”initial” background_position=”top_left” background_repeat=”repeat” global_colors_info=”{}”][et_pb_column type=”4_4″ _builder_version=”4.16″ custom_padding=”|||” global_colors_info=”{}” custom_padding__hover=”|||”][et_pb_text admin_label=”Text” _builder_version=”4.16″ background_size=”initial” background_position=”top_left” background_repeat=”repeat” global_colors_info=”{}”]This assembly demonstrates what a high-performance RF feedthrough \/ RF coupler window really requires:
\nThe component must combine high-frequency capability, vacuum tightness, and mechanical stability \u2014 even under thermal and process-related stress.<\/p>\n
The technical challenge starts with the material combination:<\/p>\n
\u2022\tAlumina ceramic (Al\u2082O\u2083) for electrical insulation
\n\u2022\tOFHC copper for RF-compatible conductivity and high thermal performance
\n\u2022\tStainless steel for structural integrity and vacuum-compatible integration<\/p>\n
The real complexity, however, lies in joining these materials.
\nCreating a reliable ceramic-copper-stainless steel assembly requires precise control of:<\/p>\n
\u2022\tmaterial compatibility
\n\u2022\tmetallization
\n\u2022\tjoint gap design
\n\u2022\ttemperature profile
\n\u2022\tprocess stability
\n\u2022\tleak tightness and repeatability<\/p>\n
A key feature of this project is the circumferential brazing joint.<\/p>\n
While comparable applications have often relied on end-face brazing, NTG can now also reliably realize the far more demanding circumferential brazing process.
\nThe advantage of circumferential brazing lies in the joint design across a continuous peripheral interface. This can provide important design and manufacturing benefits, especially in terms of load distribution, joint stability, vacuum tightness, and integration into complex assemblies.<\/p>\n
In particular, brazing ceramic-to-metal joints is one of the most demanding disciplines in advanced joining technology. Different coefficients of thermal expansion and strict vacuum requirements leave no room for compromise.
\nThis is exactly the kind of complexity we master at NTG.<\/p>\n
We manufacture precision brazed assemblies for demanding technical applications \u2014 reliable, repeatable, and engineered for performance.<\/p>\n
\ud83c\udf10 www.ntg.de<\/p>\n
#RFFeedthrough #RFCoupler #Brazing #VacuumBrazing #CeramicToMetal #UHV #VacuumTechnology #JoiningTechnology #Alumina #OFHCCopper #Engineering #NTG
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