oeing wont give any details of the secretive manufacturing methods behind this technology. But in 1988, then-McDonnell Douglas engineer Kenneth Perun filed a patent for a process that enabled laminar flow by using lasers to make the tiny, precise perforations in the titanium edges of wings and tail.
t give any details of the secretive manufacturing methods behind this technology. But back in 1988, then-McDonnell Douglas engineer Kenneth Perun filed a patent for a process that enabled laminar flow by using lasers to make the tiny, precise perforations in the titanium edges of wings and tail.