摘要 |
<p>First article registration of a printed image of magnetic toner resist composition on a printed circuit board is achieved by registration holes in artwork which registers the artwork with the magnetic film and separate holes in the artwork which registers the artwork with the printed circuit board, thereby registering the magnetic image in the magnetic film with the circuit board. This application is a continuation-in-part of pending application Serial No. 090,460, filed November 1, 1979 by the same inventors.</p> |