Patent
Use of multiple laser sources for rapid, flexible machining and production of vias in multi-layered substrates
Roy D. Mead,Jeffrey W. Pierce +1 more
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TLDR
In this paper, a laser via drilling system, and a method of use thereof, is provided, where the output beams from the independently controlled laser systems are combined using a beam splitter that combines the beams into single or multiple processing beams.Abstract:
A laser via drilling system, and a method of use thereof, is provided. The apparatus uses two or more laser systems to achieve processing parameter flexibility. The output beams from the independently controlled laser systems are combined using a beam splitter that combines the beams into single or multiple processing beams. The operational flexibility of the system can be further enhanced through the use of multiple EO modulators and a polarization sensitive beam splitter.read more
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Patent
Semiconductor structure processing using multiple laterally spaced laser beam spots delivering multiple blows
TL;DR: In this article, a semiconductor substrate is arranged in a plurality of substantially parallel rows extending in a generally lengthwise direction, and a first laser beam propagates along a first beam axis that intersects a first target location on or within the substrate.
Patent
Automated polarization correction
TL;DR: A chirped pulse amplification system includes one or more polarization compensators configured to compensate for polarization altering elements with the Chirped Pulse Amplification System (CPAS) as discussed by the authors.
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Laser apparatus having multiple synchronous amplifiers tied to one master oscillator
TL;DR: In this paper, the authors describe a beam splitter that divides a signal from the master oscillator into two or more sub-signals, and each output head receives one of the two sub signals.
Patent
High-speed, precision, laser-based method and system for processing material of one or more targets within a field
TL;DR: In this article, a laser-based method and system for high-speed, sequential processing of material of targets within a field are disclosed that control the irradiation distribution pattern of imaged spots.
Patent
Laser-based system for memory link processing with picosecond lasers
Bo Gu,Donald V. Smart,James J. Cordingley,Joohan Lee,Donald J. Svetkoff,Shepard D. Johnson,Jonathan S. Ehrmann +6 more
TL;DR: In this article, a laser-based system for processing target material within a microscopic region without causing undesirable changes in electrical or physical characteristics of at least one material surrounding the target material, the system includes a seed laser, an optical amplifier, and a beam delivery system.
References
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Patent
Ultraviolet laser system and method for forming vias in multi-layered targets
Mark D. Owen,James N. O'brien +1 more
TL;DR: In this paper, the output of a continuously pumped, Q-switched, Nd:YAG laser (10) is frequency converted to provide ultraviolet light for forming vias (72, 74) in multi-layered targets (40).
Patent
Method employing UV laser pulses of varied energy density to form depthwise self-limiting blind vias in multilayered targets
TL;DR: In this article, the output of a continuously pumped, Q-switched, Nd:YAG laser is converted to provide ultraviolet light for forming vias in targets (40) having metallic layers (64,68) and a dielectric layer (66).
Patent
Dental procedures and apparatus using ultraviolet radiation
TL;DR: In this paper, the authors proposed an improved dental procedure and apparatus where ultraviolet radiation pulses are used to etch selectively both hard tissue and soft tissue in dental procedures, where there exists distinct ablation thresholds for hard and soft tissues which are dependent on the material being ablated for a given wavelength of the ultraviolet radiation.
Patent
Low cost, high average power, high brightness solid state laser
TL;DR: In this article, a seed laser beam with a short pulse duration was used to produce a high average power, high brightness solid state laser system, where a laser amplifier (24) amplifies the seed beam to produce an amplified pulse laser beam which is tightly focused to produce pulses with brightness levels in excess of 1011 Watts/cm2.
Patent
Laser system and method for plating vias
TL;DR: The output of a continuously pumped, Q-switched, Nd:YAG laser is frequency converted to provide ultraviolet light for plating internal wall surfaces (79, 126) of vias in multilayered electronic devices as mentioned in this paper.