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Microwave Absorber Products

Carbon-Based Foam Microwave Absorbers - 320 Series

Cuming Microwave manufactures a family of flexible carbon loaded microwave and radar absorber materials. These are all electrically resistive materials which attenuate RF energy through ohmic loss. These Carbon based microwave absorbers such as C-RAM MT have high dielectric loss over a very broad frequency range, but are available in a range of loadings and thicknesses to be optimized for particular frequencies. Many grades are available with a peel-and-stick adhesive for ease of application.

Some of the materials, such as C-RAM LF and AR, have impedance gradients and are designed to absorb free-space planar waves. They are often used to cover metal structures in the path of RF energy to eliminate unwanted reflections. These materials can be weather-wrapped for outdoor applications.

Cuming Microwave also offers carbon loaded microwave absorbers such as C-RAM LF and AR, This type of microwave absorber has an impedance gradient and are designed to absorb free-space planar waves. They are often used to cover metal structures in the path of RF energy eliminating unwanted reflections. Carbon loaded microwave absorbers can be weather-wrapped or sprayed with a protective coating for outdoor applications.

Cuming Microwave application engineers can help you with your RF energy management problems, and help specify a product to quickly solve your problem. Carbon loaded microwave absorber grades are available with a peel-and-stick adhesive for ease of application. Carbon loaded microwave absorbers can also be ordered diecut or waterjet to your drawing.

Click the links below to learn more about each standard product

Pressure Sensitive Adhesive Option
AN-300-10

Millimeter Wave High Frequency Radar Materials
AN 300-13

NEW Free C-RAM RF Problem Solver Kit
301

Broadband Carbon/Foam Flexible Radar Absorber
320-1 C-RAM LF

Lossy Carbon-Loaded Flexible Foam Microwave Absorber Sheets
320-2 C-RAM MT

Reticulated Foam Radar Absorber Sheets
320-3 C-RAM AR

Flexible Jaumann Radar Absorbers
320-4 C-RAM LPJ

Flexible Jaumann Radar Absorbers
320-4A C-RAM LPJN

Frequency Tuned Salisbury Screen Absorber
320-7 C-RAM SS

Controlled Resistivity "Space Cloth"
320-8 C-RAM CS & CS-HT

700 MHz-3 GHz Reflectivity Foam
C-RAM PIM-465

700 MHz-3 GHz Flame Retardant Reflectivity Foam
C-RAM PIM-465 FR

700 MHz-3 GHz Isolation Foam
C-RAM PIM-645

700 MHz-3 GHz Flame Retardant Isolation Foam
C-RAM PIM-645 FR