IT1065714B - Metal clad laminates mfr. for printed circuit prodn. - by plating metal onto substrate roughening it, oxidising it, contacting it with bonding agent, laminating it, and removing substrate - Google Patents
Metal clad laminates mfr. for printed circuit prodn. - by plating metal onto substrate roughening it, oxidising it, contacting it with bonding agent, laminating it, and removing substrateInfo
- Publication number
- IT1065714B IT1065714B IT2649976A IT2649976A IT1065714B IT 1065714 B IT1065714 B IT 1065714B IT 2649976 A IT2649976 A IT 2649976A IT 2649976 A IT2649976 A IT 2649976A IT 1065714 B IT1065714 B IT 1065714B
- Authority
- IT
- Italy
- Prior art keywords
- metal
- substrate
- oxidising
- laminate
- contacting
- Prior art date
Links
Landscapes
- Laminated Bodies (AREA)
- Manufacturing Of Printed Wiring (AREA)
Abstract
A metal-clad laminate is prepd. by (i) applying a release agent to a surface of a substrate, (ii) plating the surface with a conductive metal of thickness 1-20 mu (iii) subjecting the resultant conductive metal layer to a high current density to roughen the exposed surface of the metal, (iv) oxidising the surface, (v) contacting the surface with a bonding agent, (vi) bonding the thus treated conductive metal to a laminate, (vii) removing the substrate, and (vii) recovering the resulting laminate. The metal-clad laminate is also claimed. Esp. useful in forming copper (or other conductive metals such as Ni, Sn, Au etc) clad laminates for use in making printed circuits. The method allows a very thin metal layer to be formed on the laminate so that etching time is greatly reduced, the amt. of etching soln. is smaller, and less undercutting (allowing greater circuit density) occurs.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT2649976A IT1065714B (en) | 1976-08-24 | 1976-08-24 | Metal clad laminates mfr. for printed circuit prodn. - by plating metal onto substrate roughening it, oxidising it, contacting it with bonding agent, laminating it, and removing substrate |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT2649976A IT1065714B (en) | 1976-08-24 | 1976-08-24 | Metal clad laminates mfr. for printed circuit prodn. - by plating metal onto substrate roughening it, oxidising it, contacting it with bonding agent, laminating it, and removing substrate |
Publications (1)
Publication Number | Publication Date |
---|---|
IT1065714B true IT1065714B (en) | 1985-03-04 |
Family
ID=11219652
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT2649976A IT1065714B (en) | 1976-08-24 | 1976-08-24 | Metal clad laminates mfr. for printed circuit prodn. - by plating metal onto substrate roughening it, oxidising it, contacting it with bonding agent, laminating it, and removing substrate |
Country Status (1)
Country | Link |
---|---|
IT (1) | IT1065714B (en) |
-
1976
- 1976-08-24 IT IT2649976A patent/IT1065714B/en active
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