What Is the Permittivity of Al2O3 Over 95% Polished?

  • Thread starter Thread starter HPRF
  • Start date Start date
  • Tags Tags
    Permittivity
Join the discussion
Registration is free. Start your own thread to ask a follow-up.
Sign up Log in
1 reply · 4K views
HPRF
Messages
31
Reaction score
0
Hi

I was wondering if anyone could tell me the permittivity of Al2O3 >95% polished, or how to calculate it? Any useful electrical properties websites or books would be much appreciated.

Also I was wondering if the the permittivity was frequency dependent?

Thanks in advance
 
Engineering news on Phys.org

Discussion

Similar threads

What is the relationship between relative permittivity and capacitance?
  • Ancho
  • · Replies 1 ·
  • Electrical Engineering
Replies
1
Undergrad How does permittivity in Coulomb's law work?
  • Efeguleroglu
  • · Replies 5 ·
  • Electromagnetism
Replies
5
Graduate Can Relative Permittivity of Aluminum Be Calculated from Its Plasma Frequency?
  • minerva
  • · Replies 4 ·
  • Atomic and Condensed Matter
Replies
4
Undergrad Data needed: Relative permittivity of air
  • WhiteHaired
  • · Replies 2 ·
  • Electromagnetism
Replies
2
Capacitance with dielectric permittivity that depends on r
  • leo_africanus
  • · Replies 1 ·
  • Advanced Physics Homework Help
Replies
1
High School What is the Physical Meaning of Permittivity of Free Space?
  • gracy
  • · Replies 20 ·
  • Astronomy, Astrophysics, Cosmology
Replies
20
Refractive index of light from permittivity
  • Taylor_1989
  • · Replies 3 ·
  • Introductory Physics Homework Help
Replies
3
What is the relative permittivity of black paint?
  • KKKISHORE
  • · Replies 11 ·
  • Chemistry
Replies
11
Undergrad Permittivity and Permeability affect propagation velocity?
  • jmatejka
  • · Replies 4 ·
  • Mechanics
Replies
4
Graduate What is Permittivity? Definition & Explanation
  • Greg Bernhardt
  • · Replies 1 ·
  • Electromagnetism
Replies
1