CIRCUIT BOARD, BATTERY PACK, AND METHOD OF MANUFACTURING CIRCUIT BOARD

摘要

A circuit board (10) comprises a first substrate (11) with a predetermined wiring pattern (16) and a second substrate (12) with a predetermined wiring pattern (17), and they are connected together electrically and/or mechanically and bent in the connection. The connection includes a foldable joint material (13) composed of a thin base film (20) holding a plurality of parallel leads (14), and the joint material (13) connects the first and second substrates (11, 12) together.