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Nanosecond Laser

USP Lasers Semiconductor Packaging Whitepaper.pdf

USP Lasers Semiconductor Packaging Whitepaper.pdf

…polyimide sheets scribed with a nanosecond and USP laser (in the UV). The
nanosecond laser processed at 66 mm/sec, while the USP laser cut at 193 mm/sec. The nanosecond laser produced
a substantial HAZ - seen as a darkening in this image - while the USP laser produced none, and also…

Whitepaper - USP Lasers Deliver Cleaner Cuts for Semiconductor Packaging.pdf

Whitepaper - USP Lasers Deliver Cleaner Cuts for Semiconductor Packaging.pdf

…polyimide sheets scribed with a nanosecond and USP laser (in the UV). The
nanosecond laser processed at 66 mm/sec, while the USP laser cut at 193 mm/sec. The nanosecond laser produced
a substantial HAZ - seen as a darkening in this image - while the USP laser produced none, and also…

COHR WhitePaper High Repetition Rate USP Lasers Improve OLED Cutting Results.pdf

COHR WhitePaper High Repetition Rate USP Lasers Improve OLED Cutting Results.pdf

…zone, and leaves no recast material that
could require post-processing.
Figure 2. 30 µm thick polyimide sheets cut with a nanosecond and USP laser (in the UV). The nanosecond
laser processed at 66 mm/sec, while the USP laser cut at 193 mm/sec. The nanosecond laser produced a

Ted Haensch  Sharing His Unique Perspective on Lasers

Ted Haensch Sharing His Unique Perspective on Lasers

…his unique experience in lasers and laser spectroscopy. O&P: Long before your work with stabilized frequency combs you were wellknown to many in the laser community because of your work stabilizing nanosecond dye lasers at Stanford - "The Haensch-type dye laser". TH: After I finished my PhD…

ULTRAFAST LASERS Free-Space CPA Approach Uses Volume Holographic Gratings.pdf

ULTRAFAST LASERS Free-Space CPA Approach Uses Volume Holographic Gratings.pdf


to implement and operate.
CPA-based ultrafast laser applications
High-power ultrafast lasers are especially useful in laser machining and cold ablation of nearly
any material. Traditional millisecond to nanosecond lasers rely on localized heating, melting, and
vaporization…

CMM 10.4.indd

CMM 10.4.indd

…polyimide sheets scribed with a nanosecond and USP laser (in the UV). The nanosecond laser processed at
66 mm/sec, while the USP laser cut at 193 mm/sec. The nanosecond laser produced a substantial HAZ - seen as a darkening in this image - while
the USP laser produced none, and also…

2016-Ultrafast-Laser-Systems-Catalog.pdf

2016-Ultrafast-Laser-Systems-Catalog.pdf


7 Contrast ratio (nanosecond) with optional Pulse Slicer increases to >106:1 pre-pulse. Pulse energy specification must be decreased by 20% when optional
Pulse slicer is added.
8 M2 deviation is less than 0.2 between X to Y after compression.
9 Pump laser must be qualified for…

Microsoft Word - Coherent Whitepaper - Marking Stainless Steel Medical Devices

Microsoft Word - Coherent Whitepaper - Marking Stainless Steel Medical Devices

…reduced compared to nanosecond lasers. With picosecond lasers, a
much higher portion of the total laser power is used to remove material, rather than produce
unwanted heating. Second, because the pulsewidth is a thousand times shorter than a
nanosecond laser, the peak power to average…

IndPhotonics Micromachining Glass Cutting.pdf

IndPhotonics Micromachining Glass Cutting.pdf


nanosecond laser for laser grooving, but
now we've switched to a 1064-nm picosecond laser and perform stealth dicing. This has delivered several benefits.
First, the picosecond laser produces a
much smaller heat-affected zone than
the nanosecond laser," Zhao explained.…

Coherent-new-lasers-improve-glass-cutting-methods wp.pdf

Coherent-new-lasers-improve-glass-cutting-methods wp.pdf

nanosecond pulse width lasers, and
ultrafast (picosecond and femtosecond) lasers yield particles hundreds of nanometers in size.
Nanosecond pulse width lasers, operating in either the green (532 nm) or ultraviolet (355 nm),
are usually employed in "bottom-up" cutting. Here, the laser

Microsoft Word - NovusLight 2018-07 Microelectronics Packaging

Microsoft Word - NovusLight 2018-07 Microelectronics Packaging

…pulse (USP) lasers such as the Coherent HyperRapid NX
picosecond laser and Monaco femtosecond laser can be an alternative when the cut quality is of
utmost importance. These produce a smaller kerf, reduced HAZ, and less debris as compared to
nanosecond lasers, and can under…

Europhotonics - Spring 2016

Europhotonics - Spring 2016

lasers pose another problem:
In the past, the reliability of industrial
femtosecond, and even picosecond, lasers
was not optimal, often compromising
24/7 applications. What's more, these
lasers were only available for a premium
price, compared with nanosecond lasers.