prov:value
| - The substrate 110 can be any of a variety of substrates for BP, PWB, and MCM. The substrate 110 can include materials such as, for example, any dielectric material similar to, or the same as, those employed for the waveguide materials, polyimide, polyester, or metals such as gold (Au), copper (Cu), aluminum (Al), or nickel (Ni), or ceramics or organic materials found in printed wiring boards, such
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