In the paper “Silver reduction through direct wire bonding for Silicon Heterojunction ... For the cell front side, they used copper wires with a diameter of 30 μm, with silver-coated copper ...

The lawsuit points out that copper wire and metal can be found in all scrap metal including sterling silver, car brakes and radiators, electronics, circuit boards, coins, gardening tools ...

A citywide map provided by St. Paul Public Works showed roughly 2,500 copper wire thefts were reported via the department's main phone line in 2024.

Consumer electronics firm says a program created with Mitsubishi Materials has yielded more than 8,000 tons of recycled metal ...