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Copper Vapor Drill

Microelectronics

Microelectronics

…(50 µm diameter vias in resin-coated copper (RCC), Fr4 and aramid-based dielectrics, as well as Cu-direct drilling processes. The AVIA-series diode-pumped UV lasers are ideal for drilling <70 µm diameter vias in RCC and PTFE-based dielectrics and copper. Related Products AVIA NX HyperRapid NX…

The PCB Magazine, November 2015

The PCB Magazine, November 2015

…which heats it until it vaporizes. Many dielectrics absorb well in the far infrared, while nearly all metals are highly reflective at these wavelengths. As a result, copper layers act as a natural stop when drilling with a CO 2 laser. In order to drill through copper (such as a top clad layer),…

Industrial Laser Solutions - September/October 2015

Industrial Laser Solutions - September/October 2015


sputtering or
vapor deposition processes
can be degraded
by "shadowing"
on the sides of
steep angled features (FIGURE 3).
Seed metal removal
Another unique advantage of excimer laser
ablation is that it does not affect copper or
aluminum layers above…

IndPhotonics Micromachining Glass Cutting.pdf

IndPhotonics Micromachining Glass Cutting.pdf

…cooling plates; hole drilling and structuring of biomedical filters; cutting and drilling of FR-4 resin; cutting and drilling of both lowtemperature co-fired ceramics and high-temperature cofired ceramics; and microprocessing of metals such as stainless steel and copper. More recently, picosecond…