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Through Glass Via

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

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

…2287-7525 53 Laser Drilling of High-Density Through Glass Vias (TGVs) for 2.5D and 3D Packaging Ralph Delmdahl and Rainer Paetzel Coherent Laser Systems GmbH & Co. KG (Received May 21, 2014: Corrected June 19, 2014: Accepted June 19, 2014) Abstract: Thin glass (500oC) · Optically transparent for…

Monaco femtosecond laser

Monaco femtosecond laser

…Additionally, all interfaces to the laser are through the SoloBoard electronics board located in the Monaco head. We Bring the Cleanroom to You: The laser is built in a class 1000 cleanroom. The cleanliness, however, is maintained in the field via the PureFemtoTM active cleaning of the laser head.…

CMM 8.2.indd

CMM 8.2.indd

…silicon or glass.
Critical to the production of the interposer is
the creation of small through holes, called vias,
which are used to make electrical connections
between the circuit components. Target via
diameters are usually in the 25 µm size range.
These vias can be…

Laser Focus World - August 2016

Laser Focus World - August 2016

…because
it can produce blind vias using a simple,
three-pulse process. The first pulse drills
through the overlying copper, which has
a black oxide coating on it to make it absorb infrared (IR). The second pulse drills
through the glass resin board substrate material, which…

Photonik Feb2014.pdf

Photonik Feb2014.pdf

…and
substrate wafers are well-suitable [3].
In a final step, the glass carrier is released
from the finished thin wafer via laser
lift-off. To this end, the excimer laser is
shown through the glass wafer and selectively evaporates the most adjacent fraction of polymer film.…

AVIA NX nanosecond laser

AVIA NX nanosecond laser

…tools are singulating PCBs, drilling vias, scribing photovoltaics or micromachining metals, AVIA NX lasers are better than ever and better than the competition. Datasheet AVIA NX Green Datasheet AVIA NX Ultraviolet Applications Application µ-via drilling Glass Cutting & Drilling Thin-film Scribing…

CO Lasers from Lab to Fab

CO Lasers from Lab to Fab

…silicon or
glass. Currently, actual microelectronics production utilizes 2.5D packaging.
This is an intermediate step where just a
single set of circuit dies is stacked on the
interposer.
A critical process is the creation of
small through holes (vias) which are

Industrial Laser Solutions - September/October 2015

Industrial Laser Solutions - September/October 2015

…that produced a fluence of 7J/cm2 at the work surface. The 193nm wavelength was chosen because glass exhibits strong absorption at this wavelength. FIGURE 1. Excimer laser (193nm) vias drilled into glass: The 25µm diameter entrance hole (a), the exit hole (b), and the cross-sectional view (c).

COHR DIAMOND J-3-5 COlaser DS 0617 2.pdf

COHR DIAMOND J-3-5 COlaser DS 0617 2.pdf

…of carbon monoxide (CO) lasers from Coherent, promise enhanced processing characteristics in applications ranging from glass, ceramic and film cutting and drilling, through medical and aesthetics fractional skin resurfacing. While CO lasers were first developed decades ago, practical limitations…

Whitepaper Thin Wafer Laser Debonding.pdf

Whitepaper Thin Wafer Laser Debonding.pdf

…process is conducted with a 308
nm excimer laser. UV lasers work via a cold process
very much different from infrared lasers.
IR lasers penetrate far into the adhesive layer and
easily cause debonding through a thermal mechanism
(e.g. heating). Oxide layers are put into the…

COHR AILU CO Lasers 08-18.pdf

COHR AILU CO Lasers 08-18.pdf

…Inc, USA.
SEE OBSERVATIONS PXX
Figure 4: The CO laser readily passes through the outer PET layer and is well absorbed by the
inner PE layers producing rapid melting and a strong, high quality seal.
Figure 3: 30 µm via drilled in a commonly used PCB substrate with a CO laser

COHR DIAMOND E-1000 DS 1118 1.pdf

COHR DIAMOND E-1000 DS 1118 1.pdf

…engraving, perforating and drilling of paper, plastic films, plastics, glass, carbon composites, textiles, wood and even thin metals. The RF power supply is detachable and a full suite of on-board diagnostics (accessible via the Internet) is available that allows for proactive maintenance. FEATURES…