Oak-Mitsui

Mitsui Kinzoku Corporate Group
A division of Mitsui Kinzoku
www.oakmitsui.com

Copper Foil

OAK-MITSUI
Copper Foil
www.oakmitsui.com

TOC-HD

TOC-HD is an IPC Grade 2 copper foil providing superior ductility for flexible printed circuit applications. This product is designed for flex to install applications and typically used with acrylic adhesives. Performance benefits include:

•Excellent peel strength to enhance reliability.
•Excellent for high frequency flexible laminates.
•Cost effective alternative to wrought and annealed foils.

TOC-HD Product Data Sheet (Std) (pdf) Opens in new window


Typical Matte and Drum Side Images:

0

Drum Side 1/2oz TOC-HD

Matte (Treated) Side 1/2oz TOC-HD

Typical Foil Properties:

Nominal Thickness*

microns

18µ

35µ

70µ

Area Weight

lb/ft2

1/2

1

2

Ambient Tensile

Kpsi
kg/mm2

60.0
42.2

55.0
38.7

52.5
36.9

Ambient Elongation

%E

8

15

20

Roughness -Ra
Drum Side

µinch
µm

10
0.25

10
0.25

10
0.25

Roughness -Rz
Matte (Treated) Side

µinch
µm

200
5.08

250
6.35

400
10.16

B Condition Peel
Epoxy Tg 170ºC
Treated (Matte) Side

lbs/in
kg/cm

7.0
1.25

10.0
1.79

14.0
2.50

*Note: Nominal thickness is determined by area weight. Actual measured thickness may be slightly higher due to matte side topography.

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