RIGID EPOXY/IRON LOSSY MAGNETIC SHEET AND ROD STOCK
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C-RAM RGD (330-1) |
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C-RAM RGD is a series of iron filled epoxy sheet materials having a high magnetic loss. It is available in several grades, as given in the table below, having a range of permittivities and complex permeabilities.
C-RAM RGD can be machined into terminations and loads for attenuators, waveguides, coaxial lines, and microstrip circuits. It can also be used for lowering the Q of cavities and eliminating unwanted resonances.
C-RAM RGD is a hard epoxy plastic and can be readily sawed, ground, milled or otherwise machined to complex shapes. Since it is ferromagnetic, it is easily held in place with magnetic chucks during machining.
The material has good thermal conductivity and can be used to dissipate heat, including that generated by its own magnetic loss mechanism. C-RAM KR (see Technical Bulletin 330) is the two component liquid resin version of RGD. It can be mixed, poured and cast into molds or cavities; when cured, it will have the properties of C-RAM RGD. |