GELAMINEERD MATERIAAL BESTAANDE UIT TENMINSTE EEN LAAG LOOD EN EEN LAAG KOPER EN WERKWIJZE VOOR HET VERVAARDIGEN DAARVAN.

摘要

A copper coated lead sheet material in which the copper coating consists of a copper foil whereby the mutually facing surfaces of the copper foil and the lead sheet which are to be soldered are plated with a coating consisting of tin and lead, and a foil of soldering tin consisting of lead and tin is arranged between the lead sheet and the copper foil in thus forming a lead sheet material combining the properties of lead with those of copper.