1. Tasaki T, Shiotani A, Yamaguchi T, Sugimoto K (2017) Low transmission loss flexible substrates using low Dk/Df polyimide adhesives. In: 2017 12th International Microsystems, Packaging, Assembly and Circuits Technology Conference (IMPACT). IEEE, pp 54–57
2. Nishimura I, Fujitomi S, Yamashita Y et al (2020) Development of new dielectric material to reduce transmission loss. In: 2020 IEEE 70th Electronic Components and Technology Conference (ECTC). IEEE, pp 641–646
3. Yamamoto K, Koga S, Seino S et al (2020) Low Loss BT resin for substrates in 5G communication module. In: 2020 IEEE 70th Electronic Components and Technology Conference (ECTC). IEEE, pp 1795–1800
4. Kakutani T, Okamoto D, Guan Z et al (2020) Advanced low loss dielectric material reliability and filter characteristics at high frequency for mmWave applications. In: 2020 IEEE 70th Electronic Components and Technology Conference (ECTC). IEEE, pp 653–659
5. Hayes C, Wang K, Bell R et al (2020) High aspect ratio, high resolution, and broad process window description of a low loss photodielectric for 5G HS/HF applications using high and low numerical aperture photolithography tools. In: 2020 IEEE 70th Electronic Components and Technology Conference (ECTC). IEEE, pp 623–628