Patent attributes
A method of producing a vehicle glass assembly, includes (A) providing a connector made of metal plate and comprising a first flat portion, a second flat portion and a bridge portion connecting between the first and the second flat portions, each the flat portion having a respective surface to be soldered, (B) soldering lead-free solder onto the surfaces to form first and second blocks of lead-free solder on the surfaces of the first flat portion and the second flat portion, respectively, (C) providing a glass substrate layer on which an electrically conductive layer comprising a wire pattern and a busbar is formed, and (D) sandwiching the lead-free solder blocks between their respective surfaces and the busbar, and then melting the blocks to form solder connections between the connector and the busbar; wherein the amount of lead-free solder in each of the blocks is between 15 mg and 50 mg.