Lakkalevyn
Lakkalevyn is a term of Finnish origin that translates to "lacquer plate" or "varnish plate." It refers to a type of printed circuit board (PCB) where the substrate material is coated with a clear lacquer or varnish. This coating serves to protect the copper traces and other components from environmental factors such as moisture, dust, and corrosion.
Historically, lakkalevyn construction often involved a base material, typically phenolic paper or glass epoxy, which was
The use of lakkalevyn has largely been superseded by more advanced PCB manufacturing techniques. Modern PCBs
The term may still be encountered in historical contexts or when discussing older electronic equipment. Its