STD copper foil (Standard copper foil )
Features:
1.the treated foil in gray or red
2.High peel strength
3.Good etch ability
4.Excellent adhesion to etching resist
Application:
1.Phenolic resin board
2.Epoxy board
Typical properties of Standard copper foil
Classification | Unit | Requirement | Test Method |
Foil Designation | / | T | H | M | 1 | 2 | 3 | IPC-4562A |
Nominal thickness | / | 12um | 1/2 OZ | 3/4 OZ | 1 OZ | 2 OZ | 3 OZ | IPC-4562A |
Area Weight | g/m2 | 107±4 | 153±5 | 228±8 | 285±10 | 580±15 | 860±20 | IPC-TM-650 2.2.12.2 |
Purity | % | ≥99.8 | IPC-TM-650 2.3.15 |
Foil Profile | Shiny side (Ra) | um | ≤0.4 | ≤0.4 | ≤0.4 | ≤0.4 | ≤0.4 | ≤0.4 | IPC-TM-650 2.3.17 |
Matte side(Rz) | um | ≤6 | ≤8 | ≤10 | ≤10 | ≤15 | ≤20 |
Tensile Strength | R.T.(23℃) | Mpa | ≥150 | ≥220 | ≥235 | ≥280 | ≥280 | ≥280 | IPC-TM-650 2.3.18 |
Elongation | R.T.(23℃) | % | ≥2 | ≥3 | ≥3 | ≥4 | ≥4 | ≥4 | IPC-TM-650 2.3.18 |
Subject | Ω.g/m2 | ≤0.170 | ≤0.166 | ≤0.162 | ≤0.162 | ≤0.162 | ≤0.162 | IPC-TM-650 2.5.14 |
Peel Strength(FR-4) | N/mm | ≥1.0 | ≥1.3 | ≥1.6 | ≥1.6 | ≥2.1 | ≥2.1 | IPC-TM-650 2.4.8 |
Pinholes&porosity | Number | No | IPC-TM-650 2.1.2 |
Anti-oxidization | R.T.(23℃) | day | 180 | / |
H.T.(200℃) | Minutes | 60 | / |
1.Standard Width,1295(±1)mm,May according to the customer request tailor.
2.We test the peel strength with FR-4(Tg140) prepreg ,please reconfirm with your pp.