Ceramic To Metal Joints And Seals
Occasionally there will be no hermeticity requirement entirely structural.
Ceramic to metal joints and seals. Ceramic to metal joints and seals ceramics engineering. Maximum solid metal pin diameter is 060 where pin is brazed directly to ceramic id. Construction of vacuum tubes was one of the first critical systems with the electronics industry employing and developing such seals. Some have an intermediate sealing or filler material and some do not.
A ceramic to metal seal generally means a hermetic seal hermetic joint or hermetic bond. Choose a metal such as kovar with the most closely matched expansion to the ceramic when possible. Place ceramic in compression rather than tension. Cermets were first used extensively in ceramic to metal joint applications.
German scientists recognized that vacuum tubes with improved performance and reliability could be. A ceramic to metal seal ctm is a joined or bonded assembly of a ceramic on one side and a metal on the other. Ceramic to metal brazing or soldering brazing and soldering use a metal or alloy often eutectic in the form of a wire paste or. Ceramic to metal joints and seals.
Ij research has extensive experience as a supplier for the following five types of ceramic to metal seals. Ceramic to metal seals tekna seal manufactures brazed ceramic to metal seals for applications where a requirement for high operating temperature high voltage withstanding biocompatibility or special chemical resistance makes glass to metal seals unsuitable.