Here are some examples of cuts in both clear plastic and polyimide using a variety of laser types.?
In the following figures, "A" shows clear plastic, while "B" shows polyimide.
||Figure 1 shows the 1.5 W, 355 nm laser results.? Both cuts are relatively clean with a small heat affected zone (HAZ). It took about one minute to make a complete part.
||Figure 2 shows the 3.0 W, 355 nm laser results.? A slightly higher HAZ, but still decent quality.? These parts took about 18 seconds to process at double the power of the previous.
||Figure 3 shows the 1.5 W, 266 nm laser results.? With one of the best cut qualities, this one still took the least time of the tested UV lasers, 12 seconds.
||Figure 4 shows the broadband RF CO? laser.? It took only about 400 ms to make the cut, but it's pretty poor quality?with a large HAZ.
||Figure 5 shows the 9 μm RF CO? laser.? Still can't compete with the UV lasers.? This also took about 400 ms.
||Figure 6 shows the results of a line-narrowed CO?-T laser.? Good cut quality, nice thin line.
||Figure 7 shows Q-switched CO? results.? The process speed was about 700 ms and produced results comparable to the UV lasers.
||Figure 8 shows cuts made with a 248 nm KrF Excimer laser.? The process took hours, not seconds, but not the exceptional edge quality.
||Figure 9 shows cuts made with a 355 nm, 12 ps laser.
||Figure 10 shows cuts made with a 532 nm, 12 ps laser.
||Figure 11 shows cuts made with a 1064 nm, 12 ps laser.