Ceramic To Metal Joints And Seals

Ceramic to metal joints and seals ceramics engineering.

Ceramic to metal joints and seals. The metal selected to be bonded to the outside diameter of a ceramic should have a thermal expansion al2o3. A ceramic to metal seal generally means a hermetic seal hermetic joint or hermetic bond. Occasionally there will be no hermeticity requirement entirely structural. Construction of vacuum tubes was one of the first critical systems with the electronics industry employing and developing such seals.

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 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. Free shipping on qualifying offers. Ceramic to metal joints and seals.

German scientists recognized that vacuum tubes with improved performance and reliability could be. Choose a metal such as kovar with the most closely matched expansion to the ceramic when possible. Some have an intermediate sealing or filler material and some do not. Place ceramic in compression rather than tension.

Maximum solid metal pin diameter is 060 where pin is brazed directly to ceramic id. Ij research has extensive experience as a supplier for the following five types of ceramic to metal seals.