A prototyping and microfabrication CAD/CAM tool for the excimer laser …- excimer laser ablation tool ,Excimer laser ablation provides the micromachining engineer with a unique tool for patterning, cutting, and structuring a wide variety of materials, including ceramics, glasses, and polymers.A 3D visualization tool for excimer laser micromachining ...Request PDF | A 3D visualization tool for excimer laser micromachining | MEMS CAD tools have been developed for conventional micromachining processes, however, …

### Discovery of excimer laser surgery laid foundation for PRK ...

Apr 01, 2022· Trokel speculated that the excimer laser might be a better tool for creating the RK incisions. ... thought beyond RK and filed a patent application describing the use of …

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### Case Series and Brief Review Report: Excimer Laser ...

Oct 11, 2021· The excimer laser has revolutionary impact on lesion preparation and chronic total occlusion outcomes. Furthermore, this technology has made huge progression in modern percutaneous intervention, especially in ones labeled as noncrossable lesions. This device has the advantage of crossing lesions that 0.14 wire pass through.

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### Excimer laser phototherapeutic keratectomy

Excimer laser phototherapeutic keratectomy (PTK) is an important tool in the management of superficial corneal pathology. It works well in the treatment of anterior corneal dystrophies and degenerations, but we are learning that it may have a role in the treatment of certain patients with deeper corneal pathology.

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### LA-ICPMS Analysis - ESL193 System

Excimer-based laser ablation system, ideal for opaque and highly transmissive materials alike. Utilization of a short pulse width 193nm excimer laser source provides highest peak power for efficient ablation of all materials to produce small particles that can be efficiently transported and ionized by the ICP.

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### Teledyne CETAC - Analyte HE - Laser Ablation - High Energy Excimer Laser Ablation …

Excimer Laser Ablation System. The Analyte HE offers excimer technology at 193 nm with all the analytical capabilities you require, delivering finely controlled, “homogenized-flat” ablations with high sensitivity and split second response. “Fire-on-the-fly” lasing that is synchronized to the stage motion, combined with fast washout ...

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### Embedded Trench Redistribution Layers at 2– $5~\mu \text{m} The trenches and vias in 8-15-μm-thick dry-film dielectrics were formed by 308-nm excimer laser ablation, followed by the metallization of the trenches and vias by copper electrodeposition. A low-cost planarization process was used to remove the copper overburden with a surface planer tool. Using an optimized set of materials and processes ... | ### 193 nm excimer laser ablation of bone - Lustmann - 1991 ... The argon fluoride excimer laser is investigated as a cutting‐ablating tool for bone surgery. Quantitative measurements are presented for various fluences of laser energy and number of pulses. Histological data are presented that demonstrate the minimal damage to the surrounding material from the laser interaction. | ### Excimer laser ablation of glass-based arrayed ... Feb 09, 2005· An excimer laser has been used for ablation of glass-based substrates for making arrayed microstructures. The arrayed microstructures are fabricated by repetition of a simple-patterned mask associated with substrate movement controlled by an x-y stage synchronizing with laser pulses. The associated ablation efficiency, specifically the impact of … | ### (PDF) Excimer Laser Ablation of Egg Tempera Paints and ... In this work a series of egg tempera paint and varnish systems have been prepared, artiﬁcially aged and irradiated with KrF excimer laser at a wavelength of 248 nm. The samples were prepared with pure pigments and selected mixtures. It was found that, for some pigments, the colour changed upon laser irradiation even at low energy densities ... | ### Excimer laser ablation of ferrites: Journal of Applied Physics: Vol … Aug 17, 1998· Laser etching of ferrites was previously done by scanning a focused continuous‐wave laser beam on a ferrite sample in a chemical environment. We study the phenomenon of photo‐ablation of Ni‐Zn or Mn‐Zn ferrites by pulsed 248‐nm KrF excimer laser irradiation. A transfer lens system is used to project a grating pattern of a mask irradiated by … | ### Plasma-mediated excimer laser ablation of bone: A ... Plasma-mediated excimer laser ablation of bone: A potential microsurgical tool ... Abstract. A pulsed ultraviolet excimer laser was used to ablate bone in vitro at 193, 248, 308, and 351 nm and in vivo at 193 nm. Ablation was dependent on sufficient fluence (energy delivered per unit area per pulse) for plasma formation at the target site at ... | ### Embedded Trench Redistribution Layers at 2–$5~\mu \text{m ...

The trenches and vias in 8-15-μm-thick dry-film dielectrics were formed by 308-nm excimer laser ablation, followed by the metallization of the trenches and vias by copper electrodeposition. A low-cost planarization process was used to remove the copper overburden with a surface planer tool. Using an optimized set of materials and processes ...

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### Excimer laser: a new tool for precision micromachining ...

The resolution of excimer laser processing is very high: typical structures of 100 μm down to 0.2 μm are produced. Moreover, typical ablation rates of about 0.1–1 μm per laser pulse also allow extremely high precision in the depth of material removal.

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### Excimer laser ablation of polyimide: a 14-year IBM perspective

May 09, 1997· IBM introduced the first commercial high-end mainframe computer system incorporating laser ablation technology in 1991. This milestone was the culmination of nearly a decade of scientific, engineering, and manufacturing effort. Extensive research and development on 308 nm laser ablation of polyimide lead to the first IBM prototype ablation tool in 1987 for …

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### Nanosecond Excimer Laser Ablation (W,Ti)C-Co Cemented …

In order to increase the serving life of the cemented carbide, high energy pulsed excimer laser ablation was conducted on the surface of (W,Ti)C-Co cemented carbide cutting tool, and the processing parameters were optimized. The morphology of ablation surface was observed by SEM, composition analysis was applied by EDS. The results showed that with the increase of …

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### Characterization, setup, and control of a manufacturing ...

Apr 19, 1993· This paper is a description of the ablation of polyimide with an excimer laser ablation tool in a manufacturing line. The light source is a 150 watt, XeCl (308 nm) gas laser. Two methods of ablating via patterns with the laser tool (full-chip and scan modes) will be discussed, in addition to the tool, set-up, operation and tool/process control.

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### Microstructuring by excimer laser - NASA/ADS

Excimer laser ablation provides the micromachining engineer with a unique tool for patterning, cutting, and structuring a wide variety of materials, including ceramics, glasses, and polymers. The short pulse (20 ns) ultra violet laser beam is used for nonthermal ablative material removal producing structures with a depth resolution of the order of 0.1 micrometers and spatial …

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### Excimer laser ablation of polyimide: a 14-year IBM ...

IBM introduced the first commercial high-end mainframe computer system incorporating laser ablation technology in 1991. This milestone was the culmination of nearly a decade of scientific, engineering, and manufacturing effort. Extensive research and development on 308 nm laser ablation of polyimide lead to the first IBM prototype ablation tool in 1987 for the production of …

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### Case Series and Brief Review Report: Excimer Laser ...

Oct 11, 2021· This device has the advantage of crossing lesions that 0.14 wire pass through. The mechanism through which excimer laser coronary atherectomy (ELCA) works are photochemical, photothermal, and photomechanical. In this review cases article, we discuss the uses of ELCA in daily catheterization laboratory alone and with other plaque modification tools.

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### 308-nm excimer laser ablation of human cartilage

Jul 21, 1993· The XeCl excimer laser was investigated as an ablating tool for human fibrocartilage and hyaline cartilage. Quantitative measurements were made of tissue ablation rates as a function of fluence in meniscal fibrocartilage and articular hyaline cartilage. A force of 1.47 Newtons was applied to an 800 micrometers fiber with the laser delivering a range of …

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### 308-nm excimer laser ablation of human cartilage - NASA/ADS

The XeCl excimer laser was investigated as an ablating tool for human fibrocartilage and hyaline cartilage. Quantitative measurements were made of tissue ablation rates as a function of fluence in meniscal fibrocartilage and articular hyaline cartilage. A force of 1.47 Newtons was applied to an 800 micrometers fiber with the laser delivering a range of fluences (40 to 190 …

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### Vascular - RA Medical Systems

Destruction of Arteriosclerotic Blockages by laser Radiation Ablation. DABRA is our minimally-invasive excimer laser and disposable catheter system that is used by physicians as a tool in the endovascular treatment of vascular blockages resulting from lower extremity vascular disease, a form of peripheral artery disease (PAD), both above- and below-the-knee.

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### Coronary Intervention with the Excimer Laser: Review of ...

Dec 16, 2015· Excimer laser tissue ablation is mediated through three distinct mechanisms: photochemical, photo-thermal and photomechanical. UV laser light is absorbed by intra-vascular material and breaks carbon–carbon bonds (photochemical). It elevates the temperature of intra-cellular water, causing cellular rupture and generates a vapour bubble at the ...

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### Excimer laser phototherapeutic keratectomy

Excimer laser phototherapeutic keratectomy (PTK) is an important tool in the management of superficial corneal pathology. It works well in the treatment of anterior corneal dystrophies and degenerations, but we are learning that it may have a role in the treatment of certain patients with deeper corneal pathology.

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