Contact Shims to optimize your Rigid Line and Waveguide systems

SPINNER is offering a wide range of coaxial rigid lines and waveguides, mostly with a square, round or elliptical cross-section.

Technology applications using high power load changes within short periods can lead to thermal effects like expansion, shrinkage and torsion between connected flanges. Therefore the RF-connections are losing their optimal performance due to smallest air gaps and the signal quality of the whole system degrades. To compensate these unwanted effects SPINNER supplies contact shims for several line types, ranging from R320 (WR28) to R40 (WR229) for PBR, UBR, PDR, and UDR made of copper beryllium.

Especially in high power research applications it is recommended to use contact shims for the most reliable and best possible RF performance regarding VSWR and low insertion loss.

Advantages of contact shims:

  • guaranties maximum possible RF contact between components
  • eliminates unevenness and air gaps between components
  • compensates thermal effects

SPINNER RF components meet highest standards

SPINNER applies extremely high standards regarding quality, engineering, materials, and manufacturing e.g. DIN EN ISO 9001 - Quality Management, DIN EN ISO 14001 - Environmental Management and ISO 50001:2011 - Energy Management. This enables us to offer accessories with the best possible performance, even under the harshest environmental conditions.

If you can’t find your accessory according to your specifications online, please contact our sales team by email with the specification needed or select one of the displayed products for a Quote Request and add your special requirements in the comment field of the form before submitting.