PK-HTE-RTF


▲ (Left)Prepreg side / (Right)Resist side
PK-HTE-RTF is shiny side treated E.D. copper foil, characterized by high temperature elongation property. By precisely controlling the plating on the shiny side, the copper nodule can be well controlled in size and distribution. That can offer lower roughness and proper bonding to prepregs.

Product information by Download

Benefits

  • Advanced reverse treatment, Grade 3 pink copper foil
  • Uniform treatment and low roughness on the prepreg side

Applications

  • High frequency applications
  • Thin core applications

PROPERTIES

Item Unit Hoz
1/2oz
1oz 2oz 3oz
18µm 35µm 70µm 105µm
Foil type *** RTF RTF RTF RTF
Area weight g/m^2 153±10 285±15 585±20 900±30
Tensile
Strength
R.T Kgf/mm^2 ≧24
H.T Kgf/mm^2 ≧14
Elongation R.T % ≧4 ≧5 ≧5 ≧5
H.T % ≧3 ≧3 ≧2 ≧2
Roughness
(Rz)
Resist
side
µm ≦6 ≦8 ≦12 ≦15
Prepreg
side
µm ≦3.5
Peel FR4 Kgf/cm ≧1.0 ≧1.3 ≧1.5 ≧1.5

1)Roughness is determined by contact stylus profilometer(JIS94).
2)Peel is evaluated by using 4 pieces of normal FR4 prepregs(7628, Tg 140℃, RC43%).

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