Flexible printed circuit board foil, has portion of adhesive layer added outside of portions of another adhesive layer and polyamide layer below electrical contacts, and portion of copper layer added to portion of adhesive layer

摘要

The foil (1) has two copper layers (4, 8) exhibiting electrical contacts (11) contacting with a corresponding counter contact of an electrical component. The electrical contacts are arranged on one of two flat sides of the foil and accessible from outside of the foil. Portions of an adhesive layer (5) and a polyamide layer (6) are arranged below the copper layer (4). A portion of an adhesive layer (7) is added outside of the portion of the layer (5) and the polyamide layer below the electrical contacts. A portion of the other copper layer (8) is added to the portion of the layer (7).