What is the most effective method to fabricate preforms using (PVA or PVB) and spray-dried glass powder for hermetic glass-to-metal sealing?

I’m experimenting with glass-to-metal hermetic sealing using spray-dried glass powder and Kovar components. As part of the process, I’m preparing glass preforms using PVA and forming small discs...

29 July 2025 6,514 0 View