| 摘要 |
<p>Electrical device having a metal surface to at least a portion of which electrical connections are to be made by soldering, and having a coating on said portion which protects it against surface alteration which would tend to render such soldering more difficult but through which coating soldering can be effected, said coating comprising a polymer of at least one methacrylate of the general formula <IMAGE> wherein R is selected from the group comprising alkyl radicals having from 1-6 carbon atoms and a glycidyl radical.</p> |
