I'm kind of confused...Isn't laser welding a pretty well studied technique? Laser welding is pretty common for high tech industrial products. Is the breakthroug

I'm kind of confused...Isn't laser welding a pretty well studied technique? Laser welding is pretty common for high tech industrial products. Is the breakthrough the mix of materials? Even then I've seen different plastics laser welded together. Also, pico laser has been the industry standard for lasers for a while now. The main race is getting a robust fempto laser.