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Dpss 193

The PCB Magazine, November 2015

The PCB Magazine, November 2015

…substrates ranging in
thickness from 100-300 µm. The laser wavelength of 193 nm was used, with a 600 mJ pulse
energy, in a mask-based process that produced a
fluence of 7 J/cm² at the work surface. The 193
nm wavelength was chosen because glass exhibits strong absorption at this…

Microelectronics

Microelectronics

…saws due to increased cracking and chipping. DPSS UV lasers like the AVIA can dice thin wafers with good throughput and edge quality. Similarly, the very brittle low-k materials that are so important in today’s advanced chips are best scribed by a DPSS UV laser. Lasers enable narrower street widths…

CMM 11.3.indd

CMM 11.3.indd

…the costs of acquisition and operation afforded by the latest generation of 193 nm excimer laser, such as the Coherent ExciStar (figure 1)--there is cost parity with longer wavelength CO 2 and diode-pumped solid state (DPSS) laser-based solutions, as well as superior quality and throughput of the…

Lasers | Photonics Handbook®

Lasers | Photonics Handbook®

…power and lifetime characteristics of laser diodes
are causing these lasers to switch to diode pumping; i.e., DPSS lasers.
Conversely, lower-power Q-switched DPSS lasers are often based on Nd:YVO4
. These are usually optimized for high beam quality for micromachining and

COHR MaterialsProcessingBrochure 0816revA 3.pdf

COHR MaterialsProcessingBrochure 0816revA 3.pdf

Laser Products for
Materials Processing
Diode-Pumped Solid-State Lasers:
MATRIX is a family of diode-pumped, solid-state (DPSS), Q-switch
lasers, available in 1064 nm, 532 nm and 355 nm wavelengths.
MATRIX is optimized for cost-sensitive applications requiring high

07(IK14-10)p.53-57.fm

07(IK14-10)p.53-57.fm

…excimer is one with a high
pulse energy (> 500 millijoules/pulse) at the short UV
wavelength of 193 nm. (Longer wavelengths would not produce the clean drilling results as at 193 nm.) The excimer
output beam has a large rectangular cross-section which is
ideal for use with a…