초록

This invention relates to an apparatus for making circuit boards in which insulated conductors are applied and bonded to a nonconductive surface to form a conductive path between contact points thereon in a predetermined precise pattern.

대표청구항 ▼

An apparatus for scribing a conductor to a surface of a substrate in a predetermined pattern between two points on said surface, each of said points defining a terminal point, said conductor being coated with a coating which is non-tacky and non-blocking in its coated state but activatable to be an

An apparatus for scribing a conductor to a surface of a substrate in a predetermined pattern between two points on said surface, each of said points defining a terminal point, said conductor being coated with a coating which is non-tacky and non-blocking in its coated state but activatable to be an adhesive at the time the conductor is applied to said surface and to return to a non-tacky state after said conductor is fixed to said surface, said apparatus including means for feeding said coated conductor to the first of the pair of terminal points on said surface to be connected by said conductor, mean for supplying the end of said conductor to said first terminal point on said surface, tacking means comprising radiant heating means directed at a point on the conductor adjacent the terminal point to activate said adhesive coating to a tacky state and a tacker for fixing the supplied end of said conductor to said first terminal point prior to scribing a conductor path, means for moving said surface and said conductor feeding means relative to each other along a predetermined path from said first of said pair of terminal points to the second of said pair of terminal points, said radiant means activating said coating to an adhesive state as said conductor is applied to said surface, pressure means for urging said conductor with said activated adhesive coating into contact with said surface along said predetermined path, means for cutting the end of said conductor, means for applying said cut end of said conductor to said second of said terminal points and means for fixing said conductor end to said second terminal point. An apparatus for scribing a conductor to a surface of a substrate in a predetermined pattern between two points on said surface, each of said points defining a terminal point, said conductor being coated with a coating which is non-tacky and non-blocking in its coated state but activatable to be an adhesive at the time the conductor is applied to said surface and to return to a non-tacky state after said conductor is fixed to said surface, said apparatus including means for feeding said coated conductor to the first of the pair of terminal points on said surface to be connected by said conductor, means for supplying the end of said conductor to said first terminal point on said surface, means for fixing the supplied end of said conductor to said first terminal point to scribe a conductor path, means for moving said surface and said conductor feeding means relative to each other along a predetermined path from said first of said pair of terminal points to the second of said pair of terminal points, means for activating said coating to an adhesive state as said conductor is applied to said surface, pressure means for urging said conductor with said activated adhesive coating into contact with said surface along said predetermined path, means for cutting the end of said conductor, means for applying said cut end of said conductor to said second of said terminal points and means for fixing said conductor end to said second terminal point in which said pressure means includes a wheel and means for bringing said pressure wheel into pressure contact with said conductor after said conductor has been applied comprising an indexing head and said means for fixing the applied end of said conductor to said first terminal point being mounted thereon, said indexing head including means for rotating said indexing head to a first position for engaging said fixing means with said conductor and into a second position for engaging said pressure wheel with said conductor.