Hi, I am looking for polymers or optic adhesives(bond) which could be used as thin dielectric layers for a transmission line. It has to be 1. (Good optical transparency) 2. (dielectric constant of about 2.45 or 3.3 at u-wave frequency) 3. (refractive index of 1.56 or 1.82) 4. (UV curable or low temperature curable) Many thanks to anyone who can give some information on relevant renders/suppliers. Haidong