Method of manufacturing printed circuit board by a build-up technique
A method of manufacturing a printed wiring board by a build-up technique improves the bonding force between a conductor circuit and a resin. After the surface of the first conductor pattern is roughened by oxidation, an insulating layer is formed to expose a viahole portion of the first conductor pa...
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| Format: | Patent |
| Sprache: | eng |
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| Zusammenfassung: | A method of manufacturing a printed wiring board by a build-up technique improves the bonding force between a conductor circuit and a resin. After the surface of the first conductor pattern is roughened by oxidation, an insulating layer is formed to expose a viahole portion of the first conductor pattern. Then the resin insulating layer is roughened and the board is reduction processed before a plating operation is carried out. |
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