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Related Categories: 248nm Laser | Stepper | Seed Laser | Llo | Amoled

Passivation Layers

Industrial Laser Solutions - September/October 2015

Industrial Laser Solutions - September/October 2015

…hazardous chemicals,
and aren't environmentally friendly.
In contrast, excimer
laser seed layer removal
is a dry, one-step process
for wafers with organic
passivation layers below
the seed metal. After plating and resist stripping,
the entire wafer surface is…

LLO WavelengthAdvantage.pdf

LLO WavelengthAdvantage.pdf

…the table below. Thin silicon device wafers separation LLO of thin silicon device wafers from their glass carriers is done by ablating the polymer layer through the glass wafer. After laser lift-off, the glass wafer can be easily removed from the silicon wafer, as shown in the figure above. Both the…

Powerline Rapid NX Marking Laser

Powerline Rapid NX Marking Laser

…extremely high-contrast
* Indestructible and non-corrosive mark
* Contamination-free sub-surface mark
* Non-destructive anodized layer marking
* No need for passivation
* Extremely small code dimensions possible
* Resistant against corrosion and multiple autoclaving cycles
* Automated high…

Solar Cell Manufacturing

Solar Cell Manufacturing

…carrier lifetimes and bulk mAlso known as Selective Removal, Dielectric Ablation involves ablating thin layers of SiNx or SiO2 included on the cell surfaces to increase surface passivation while further assisting light transmission (front) or reflection (rear). Laser-based tools can ablate fine…

IndustrialUltrafast Whitepaper.pdf

IndustrialUltrafast Whitepaper.pdf

…in a thin layer, 3) a shock
wave expands out, and 4) the thinner layer is blown off.
An example of the use of spallation is in the production
of solar cells. Adding a SiO2
passivation layer has
been shown to increase cell conversion efficiency. This
layer must be…

PHO v1 sstr std

PHO v1 sstr std

…small amount of material at the interface of two layers with
dissimilar absorption characteristics at
the laser's wavelength.The outer layer is
transparent to the laser wavelength, so
that the beam is absorbed at the next
layer, which must be a strongly absorbing material.…

COHR PicoSecScribing WP 1019.pdf

COHR PicoSecScribing WP 1019.pdf

…1) a laser beam passes through transparent layers, 2) it is focused on the
interface with a layer that absorbs the laser wavelength so that rapid heating occurs in a very thin
layer, 3) a shock wave expands out, and 4) the target layer is blown off.
Figure 3: (left) A gaussian…

Microsoft Word - Coherent Whitepaper - Marking Stainless Steel Medical Devices

Microsoft Word - Coherent Whitepaper - Marking Stainless Steel Medical Devices

…outer layer of oxide - the laser pulses cumulatively heat the
metal to the point at which it reacts with oxygen in the ambient air. This oxidation
compromises the corrosion resistance of the surface, so re-passivation is unavoidable after this
type of marking. However, the passivation

Laser Focus World - February 2018

Laser Focus World - February 2018

…autoclaving. This passivation can be compromised by machining, grinding, polishing, or other mechanical processes during device fabrication. Repassivation with a citric or nitric acid solution removes the culprit (unoxidized) iron particles from the outer surface layer. The challenge for medical…

Untitled-2

Untitled-2

…active and passive electronic components, all mounted on a substrate, which contains copper traces on its surface to act as connectors and ground planes. This entire assembly is encapsulated in molding compound. In turn, the molding compound may then be coated with a conductive layer which acts as…

Bio Photonics - October 2014

Bio Photonics - October 2014

…classic setup
involves a mouse with a thin glass cover
replacing a small part of the skull to provide visual access to the cortex at layers
I through VI.
Stimulating neurons: Optogenetics began with the expression of light-sensitive
proteins called opsins in specific types…

Bio Photonics - April 2015

Bio Photonics - April 2015

…setup involves a mouse with
a thin glass cover replacing a small part
of the skull to provide visual access to the
cortex at layers 1 through 6.
The overarching trends in neuroscience
rely on faster and deeper in vivo imaging.
At the same time, novel applications…