Samuel Sellberg

3 Questions 2 Answers 0 Followers

Questions related from Samuel Sellberg

Do you know any high positive dielectric anisotropy polymer?

Hi, I'm searching for a high positive dielectric anisotropy polymer, consisting of both rigid and flexible sections. For clarity, this means a high dielectric constant in the direction of the...

10 July 2023 9,467 1 View

Why does my electropolishing turn out matte instead of shiny?

I'm trying to electropolish a piece of Stavax ESR (from Uddeholm.com) using an ESMA E678-1 electropolisher with an electrolyte based on phosphoric acid (Cougartron CGT-550). Stavax ESR contains...

24 June 2021 2,008 3 View

How is the Freedericksz threshold voltage independent of thickness?

I understand that the units of UTh = π ∙ √( Kii / ε0 ∙ ∆ε ) is sufficient, but I can't find a intuitive understanding for this equation. This is what bothers me, so please tell me what in my...

04 May 2021 6,987 1 View