This is a video of brazing a copper plate with a halogen line heater.
Please check the following site for more information.

Related page:

Brazing of Stainless Steal Plate with Halogen Line Heater Brazing Aluminum Plate with Halogen Line Heater Brazing of Stainless Steel Using Halogen Point Heater Powdery brazing of an aluminum board and a thermocouple Melting Aluminum Plate with Halogen Line Heater Melting of bismuth Melting of lead Brazing of Copper Using Halogen Point Heater