Femtosecond Laser Micromachining Of Engineering Materials Process Parameters Study And Microrapid Prototyping

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Femtosecond Laser Micromachining of Engineering Materials: Process Parameters Study and Microrapid Prototyping

Author : Nitin Uppal
Publisher :
ISBN 13 : 9780549042310
Total Pages : 100 pages
Book Rating : 4.0/5 (423 download)

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Book Synopsis Femtosecond Laser Micromachining of Engineering Materials: Process Parameters Study and Microrapid Prototyping by : Nitin Uppal

Download or read book Femtosecond Laser Micromachining of Engineering Materials: Process Parameters Study and Microrapid Prototyping written by Nitin Uppal and published by . This book was released on 2005 with total page 100 pages. Available in PDF, EPUB and Kindle. Book excerpt: Femtosecond laser micromachining is a promising technology for micromachining of various engineering materials. The interaction mechanism of femtosecond laser pulses with matter is completely different compared to traditional lasers. This work presents a detailed study on the ablation of common engineering materials in air with femtosecond laser pulses. The single and multi-shot ablation threshold fluence and incubation coefficient of Nickel, SMA, Tungsten, PZT, Copper, Cobalt, Stainless Steel, Iron, Titanium, Brass and Aluminum are evaluated. The morphological changes on the material are discussed along with the identification of gentle and strong ablation phases.

Laser-Assisted Machining

Author : Sandip Kunar
Publisher : John Wiley & Sons
ISBN 13 : 1394213573
Total Pages : 500 pages
Book Rating : 4.3/5 (942 download)

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Book Synopsis Laser-Assisted Machining by : Sandip Kunar

Download or read book Laser-Assisted Machining written by Sandip Kunar and published by John Wiley & Sons. This book was released on 2024-06-05 with total page 500 pages. Available in PDF, EPUB and Kindle. Book excerpt: LASER-ASSISTED MACHINING This unique book develops exhaustive engineering perceptions of different laser-assisted techniques, reviews the engineering context of different laser fabrication techniques, and describes the application of laser-assisted fabrication techniques. Lasers are essential in the area of material processing because they can produce coherent beams with little divergence. The fabrication process known as surface cladding includes joining (soldering, welding), material removal (laser-aided drilling, cutting, etc.), deformation (extrusion, bending), and material addition. Some remarkable advantages of laser-assisted material development include faster processing rates and preservation of essential alloying components. However, the lack of widespread understanding of various material phenomena and how laser parameters affect them prevents the technology from being widely accepted on an industrial scale. Among the subjects Laser-Assisted Machining covers include high-powered lasers in material processing applications, laser-based joining of metallic and non-metallic materials, direct laser cladding, laser surface processing, laser micro and nano processing, emerging laser materials processing techniques, solid-state lasers, laser cutting, drilling and piercing, laser welding, laser bending or forming, laser cleaning, laser automation and in-process sensing, femtosecond laser micromachining, laser-assisted micro-milling/grinding, laser-assisted jet electrochemical micro-machining, laser-assisted water jet micro-machining, hybrid laser-electrochemical micromachining process, quill and nonreciprocal ultrafast laser writing, laser surface engineering, ultrashort pulsed laser surface texturing, laser interference patterning systems, laser interference lithography, laser-guided discharge texturing. Audience The book will be used by researchers in the fields of manufacturing technology and materials science as well as engineers and high-level technicians for a better understanding of various innovative and novel techniques to cope with the need of micromachining, as well as microfabrication industries for successful implementation of microproduct manufacturing.

Femtosecond Laser Micromachining

Author : Roberto Osellame
Publisher : Springer Science & Business Media
ISBN 13 : 364223366X
Total Pages : 485 pages
Book Rating : 4.6/5 (422 download)

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Book Synopsis Femtosecond Laser Micromachining by : Roberto Osellame

Download or read book Femtosecond Laser Micromachining written by Roberto Osellame and published by Springer Science & Business Media. This book was released on 2012-03-05 with total page 485 pages. Available in PDF, EPUB and Kindle. Book excerpt: Femtosecond laser micromachining of transparent material is a powerful and versatile technology. In fact, it can be applied to several materials. It is a maskless technology that allows rapid device prototyping, has intrinsic three-dimensional capabilities and can produce both photonic and microfluidic devices. For these reasons it is ideally suited for the fabrication of complex microsystems with unprecedented functionalities. The book is mainly focused on micromachining of transparent materials which, due to the nonlinear absorption mechanism of ultrashort pulses, allows unique three-dimensional capabilities and can be exploited for the fabrication of complex microsystems with unprecedented functionalities.This book presents an overview of the state of the art of this rapidly emerging topic with contributions from leading experts in the field, ranging from principles of nonlinear material modification to fabrication techniques and applications to photonics and optofluidics.

Laser Fabrication and Machining of Materials

Author : Narendra B. Dahotre
Publisher : Springer Science & Business Media
ISBN 13 : 0387723447
Total Pages : 565 pages
Book Rating : 4.3/5 (877 download)

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Book Synopsis Laser Fabrication and Machining of Materials by : Narendra B. Dahotre

Download or read book Laser Fabrication and Machining of Materials written by Narendra B. Dahotre and published by Springer Science & Business Media. This book was released on 2008-01-25 with total page 565 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book covers the fundamental principles and physical phenomena behind laser-based fabrication and machining processes. It also gives an overview of their existing and potential applications. With laser machining an emerging area in various applications ranging from bulk machining in metal forming to micromachining and microstructuring, this book provides a link between advanced materials and advanced manufacturing techniques. The interdisciplinary approach of this text will help prepare students and researchers for the next generation of manufacturing.

Effects of Process Parameters on Micro Feature Topography in Femtosecond Laser Micromachining of Silicon

Author : Gaurav Keswani
Publisher :
ISBN 13 :
Total Pages : 132 pages
Book Rating : 4.:/5 (568 download)

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Book Synopsis Effects of Process Parameters on Micro Feature Topography in Femtosecond Laser Micromachining of Silicon by : Gaurav Keswani

Download or read book Effects of Process Parameters on Micro Feature Topography in Femtosecond Laser Micromachining of Silicon written by Gaurav Keswani and published by . This book was released on 2004 with total page 132 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Micromachining of Engineering Materials

Author : J.A. McGeough
Publisher : CRC Press
ISBN 13 : 9780824706449
Total Pages : 420 pages
Book Rating : 4.7/5 (64 download)

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Book Synopsis Micromachining of Engineering Materials by : J.A. McGeough

Download or read book Micromachining of Engineering Materials written by J.A. McGeough and published by CRC Press. This book was released on 2001-11-29 with total page 420 pages. Available in PDF, EPUB and Kindle. Book excerpt: Explaining principles underlying the main micromachining practices currently being used and developed in industrial countries around the world, Micromachining of Engineering Materials outlines advances in material removal that have led to micromachining, discusses procedures for precise measurement, includes molecular-level theories, describes vaporizing workpiece material with spark discharges and photon light energy, examines mask-based and maskless anodic dissolution processes, investigates nanomachining by firing ions at surfaces to remove groups of atoms, analyzes the conversion of kinetic to thermal energy through a controlled fine-focused beam of electrons, and more.

Comparative Study of the Capabilities of Various Micromachining Processes

Author :
Publisher : GRIN Verlag
ISBN 13 : 3638147770
Total Pages : 233 pages
Book Rating : 4.6/5 (381 download)

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Book Synopsis Comparative Study of the Capabilities of Various Micromachining Processes by :

Download or read book Comparative Study of the Capabilities of Various Micromachining Processes written by and published by GRIN Verlag. This book was released on 2002-10-16 with total page 233 pages. Available in PDF, EPUB and Kindle. Book excerpt: Master's Thesis from the year 2002 in the subject Engineering - Mechanical Engineering, grade: 1.0 (A), University of Illinois at Chicago (Department of Mechanical Engineering), language: English, abstract: Introduction 1.1 Background and Motivation There has been a significant increase in the importance of miniature parts in recent years. The forerunner of this technology was mostly the electronics industry with their need of manufacturing processes for electronic components, like printed circuit boards and integrated circuits. The market of microsystem technologies is in general a very fast growing market. According to a study of the European NEXUS organization (Network of Excellence in Multifunctional Microsystems), the worldwide market for microsystem technologies is growing at an average rate of 18% a year to a total of $38 billion in 2002. However, the focus of the development is distributed different in certain countries. While the US has for example a focus on parts for micro-electro-mechanical systems (MEMS), equipment for information technology, biomedicine and genetic engineering, Germany dominates in sensor technology for the automotive industry. Japan has traditionally a strong position in fine mechanics and precision engineering as well as in equipment for information technology and consumer goods. Until recently, the production of miniature components was focused on technologies, traditionally used in the electronics and semiconductor industry, like etching and other photofabrication techniques. Using these technologies extremely small feature sizes can be produced. Optical lithography for example produces features as small as 0.18 um and X-ray lithography can be used to produce even smaller features. Table 1.1 gives an overview of some of the methods which can be used for the production of miniature parts. An introduction to these techniques is given in some papers which brie y summarize different micromachining methods. A very good paper was published by Masuzawa. The most complete description of different processes is included in the book "Fundamentals of microfabrication: the science of miniaturization" by Marc J. Madou. Some other papers summarizing different micromachining methods are for example. [...]

Experimental Characterization of Femtosecond Laser Micromachining for Silicon Mold Fabrication and Hot Embossing for Polymer Microreplication

Download Experimental Characterization of Femtosecond Laser Micromachining for Silicon Mold Fabrication and Hot Embossing for Polymer Microreplication PDF Online Free

Author : Sunil Ranganath Belligundu
Publisher :
ISBN 13 : 9780542449567
Total Pages : pages
Book Rating : 4.4/5 (495 download)

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Book Synopsis Experimental Characterization of Femtosecond Laser Micromachining for Silicon Mold Fabrication and Hot Embossing for Polymer Microreplication by : Sunil Ranganath Belligundu

Download or read book Experimental Characterization of Femtosecond Laser Micromachining for Silicon Mold Fabrication and Hot Embossing for Polymer Microreplication written by Sunil Ranganath Belligundu and published by . This book was released on 2005 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Hot embossing is a fabrication technique employed for replicating microfeatures on a polymer surface that was primarily developed to fabricate MEMS devices for microfluidic applications. This manuscript deals with characterization of the femtosecond laser micromachining (FLM) and hot embossing (HEMM) processes for master mold fabrication on silicon and polymer replication respectively. Given the required size of the features to be fabricated or replicated, process parameters for FLM can be determined using the derived empirical equations, process parameters for the HEMM process can be established using the characteristic plots. A novel two-stage embossing process is developed and introduced that employs polymer molds during the second stage. Validation experiments along with results focusing on mold quality with respect to the embossing cycles of the secondary polymer mold and the embossing quality of the substrate as compared to the primary silicon mold have been presented. Micromachining of a biodegradable polymer, PLLA, with potential drug delivery applications have been performed using hot embossing and laser micromachining. The comparison of flow rate of PLLA into the mold during single and two stage embossing has been studied. Threshold fluence values of different number of pulses for PLLA during femtosecond laser micromachining have been determined. Finally, process parameters for thermal bonding using the HEMM system of two PMMA substrates are established along with their effects on feature quality after bonding.

Femtosecond Laser Material Processing for Micro-/nano-scale Fabrication and Biomedical Applications

Author : Hae Woon Choi
Publisher :
ISBN 13 :
Total Pages : 232 pages
Book Rating : 4.:/5 (46 download)

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Book Synopsis Femtosecond Laser Material Processing for Micro-/nano-scale Fabrication and Biomedical Applications by : Hae Woon Choi

Download or read book Femtosecond Laser Material Processing for Micro-/nano-scale Fabrication and Biomedical Applications written by Hae Woon Choi and published by . This book was released on 2007 with total page 232 pages. Available in PDF, EPUB and Kindle. Book excerpt: Femtosecond laser ablation has interesting characteristics for micromachining, notably non-thermal interaction with materials, high peak intensity, precision and flexibility. In this dissertation, the potential of femtosecond laser ablation for fabrication of biomedical and electronic devices is studied. In a preliminary background discussion, some key literature regarding the basic physics and mechanisms that govern ultrafast laser pulse interaction with conductive materials and dielectric materials are summarized. In the dissertation work, results from systematic experiments were used characterize laser ablation of ITO (Indium Tin Oxide), stainless steel (hot embossing applications), polymers (PMMA, PDMS, PET, and PCL), glass, and fused quartz. Measured parameters and results include ablation threshold, damage threshold, surface roughness, single- and multiple-pulse ablation shapes and ablation efficiency. In addition to solid material, femtosecond laser light interaction with electrospun nano-fiber fiber mesh was analyzed and studied by optical property measurements. Ablation of channels in nano-fiber mesh was studied experimentally. Internal channel fabrication in glass and PMMA polymers was also demonstrated and studied experimentally. In summary, it is concluded that femtosecond laser ablation is a useful process for micromachining of materials to produce microfluidic channels commonly needed in biomedical devices such as micro-molecular magnetic separators and DNA stretching micro arrays. The surface roughness of ablated materials was found to be the primary issue for femtosecond laser fabrication of microfluid channels. Improved surface quality of channels by surface coating with HEMA polymer was demonstrated.

Experimental Study and Modeling of Mechanical Micro-machining of Particle Reinforced Heterogeneous Materials

Author : Jian Liu
Publisher :
ISBN 13 :
Total Pages : 197 pages
Book Rating : 4.:/5 (878 download)

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Book Synopsis Experimental Study and Modeling of Mechanical Micro-machining of Particle Reinforced Heterogeneous Materials by : Jian Liu

Download or read book Experimental Study and Modeling of Mechanical Micro-machining of Particle Reinforced Heterogeneous Materials written by Jian Liu and published by . This book was released on 2012 with total page 197 pages. Available in PDF, EPUB and Kindle. Book excerpt: Firstly, homogenized material properties are employed to evaluate the effect of particles' volume fraction. Secondly, micro-structures of the two-phase material are modeled in FE cutting models. The effects of the existing micro-sized and nano-sized ceramic particles on micro-cutting performance are carefully evaluated in two case studies. Results show that by using the homogenized material properties based on Johnson-Cook plasticity and fracture model with damage evolution, the micro-cutting performance of nano-reinforced Mg-MMCs can be predicted. Crack generation for SiC particle reinforced MMCs is different from their homogeneous counterparts; the effect of micro-sized particles is different from the one of nano-sized particles. In summary, through this research, a better understanding of the unique cutting mechanism for particle reinforced heterogeneous materials has been obtained. The effect of reinforcements on micro-cutting performance is obtained, which will help material engineers tailor suitable material properties for special mechanical design, associated manufacturing method and application needs. Moreover, the proposed analytical and numerical models provide a guideline to optimize process parameters for preparing and micro-machining of heterogeneous MMCs materials. This will eventually facilitate the automation of MMCs' machining process and realize high-efficiency, high-quality, and low-cost manufacturing of composite materials.

Development of a Controlled Environment Apparatus for Laser Micro-machining Experiments

Author : Adeola Odusanya
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (111 download)

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Book Synopsis Development of a Controlled Environment Apparatus for Laser Micro-machining Experiments by : Adeola Odusanya

Download or read book Development of a Controlled Environment Apparatus for Laser Micro-machining Experiments written by Adeola Odusanya and published by . This book was released on 2019 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: "Femtosecond (fs) laser micro-machining of metals is useful in imparting surface roughness and wettability characteristics to a material. In fact, extensive research has been done to highlight the relationship between the variety of surface topographies and the resulting wettability characteristics. Recent studies have further explained that wettability can also be linked to surface chemistry, but the nature of this relationship is unclear. Since the surface chemistry of a material is dependent on the machining and storage environment, studies into its impact on surface wettability must be carried out in an environment that effectively isolates the materials from contamination. Hence, this thesis details the design, prototyping and construction of a chamber for fs laser micro-machining in controlled environments.Home-made and commercially available chamber designs were analysed according to a number of criteria. Using materials that were readily available, a prototype chamber was designed, assembled and tested to determine the limitations of such an apparatus. The cost-benefit analysis of the designed options and the data collected from prototype testing were used to inform the final design choice. A standard operating procedure (SOP) was also prepared to guide future operators in the use of the prototype and finalized chamber design.During the prototype testing, it became apparent that nanoparticle accumulation in the chamber could occur under certain conditions. Thus, a short study on a novel nanoparticle collection/removal method was conducted. Experiments showed that an electrically charged metal sheet can attract nanoparticles from a surface during laser micro-machining. While there is no indication of a net surface charge on nanoparticles, the results demonstrate that voltage and choice of material affect the volume of nanoparticles collected." --

Excimer Laser Micromachining of MEMS Materials

Author : Kewei Liu
Publisher :
ISBN 13 :
Total Pages : 392 pages
Book Rating : 4.:/5 (86 download)

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Book Synopsis Excimer Laser Micromachining of MEMS Materials by : Kewei Liu

Download or read book Excimer Laser Micromachining of MEMS Materials written by Kewei Liu and published by . This book was released on 2013 with total page 392 pages. Available in PDF, EPUB and Kindle. Book excerpt: Conventional photolithography-based microfabrication techniques are limited to two-dimensional fabrication and only particular materials can be used. Excimer laser micromachining enables to overcome those limitations and facilitates three-dimensional micromanufacturing with a variety of materials. The objective of this research is to present a comprehensive characterization study which provides guidelines to the efforts to identify optimal process parameters for excimer laser micromachining of micro-electro-mechanical systems (MEMS) materials. By using 248 nm KrF excimer laser and 193 nm ArF excimer laser with five representative MEMS materials (Si, soda-lime glass, SU-8 photoresist, poly-dimethysiloxane (PDMS) and polyimide), relations between laser parameters (fluence, frequency and number of laser pulses) and etch rates in vertical and lateral directions, aspect ratio of laser machined trenches and surface quality were investigated. Etch rate per shot was proportional to laser fluence but inversely proportional to number of laser pulses. Laser frequency did not show a notable impact on etch rates. Aspect ratio was also proportional to laser fluence and number of laser pulses but is not affected by laser frequency. Physical deformation in laser machined sites was investigated using SEM imaging. This qualitative study demonstrated that either laser frequency or laser fluence or sometimes their combined effect is the dominant factor in terms of ablation surface quality while the dominant factor varies from material to material under different wavelengths. Energy dispersive x-ray spectroscopy (EDXS) was utilized to analyze material surface before and after laser ablation. It was found that for all five materials oxygen amount increased while the amounts of other elements decreased after laser ablation. The mechanisms behind the process-feature relations are discussed based on the experimental data. This comprehensive characterization study provides guidelines to identify optimized laser ablation parameters for desired microscale structures on MEMS materials. In order to demonstrate the three-dimensional microfabrication capability of KrF and ArF excimer laser, two novel implantable biomedical microscale devices made of SU-8 and PDMS were successfully fabricated using the optimized KrF excimer laser ablation parameters obtained in the current study as well as cutting and local removal of insulation for a novel floating braided neural probe made of polyimide and nichrome using the optimized ArF excimer laser ablation parameters.

Femtosecond Laser Micromachining Technology, Materials Processing and Evaluation

Author : George Logan DesAutels
Publisher :
ISBN 13 :
Total Pages : 276 pages
Book Rating : 4.:/5 (255 download)

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Book Synopsis Femtosecond Laser Micromachining Technology, Materials Processing and Evaluation by : George Logan DesAutels

Download or read book Femtosecond Laser Micromachining Technology, Materials Processing and Evaluation written by George Logan DesAutels and published by . This book was released on 2008 with total page 276 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Micromanufacturing Engineering and Technology

Author : Yi Qin
Publisher : William Andrew
ISBN 13 : 081551980X
Total Pages : 429 pages
Book Rating : 4.8/5 (155 download)

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Book Synopsis Micromanufacturing Engineering and Technology by : Yi Qin

Download or read book Micromanufacturing Engineering and Technology written by Yi Qin and published by William Andrew. This book was released on 2010-07-02 with total page 429 pages. Available in PDF, EPUB and Kindle. Book excerpt: Micromanufacturing Engineering and Technology presents applicable knowledge of technology, equipment and applications, and the core economic issues of micromanufacturing for anyone with a basic understanding of manufacturing, material, or product engineering. It explains micro-engineering issues (design, systems, materials, market and industrial development), technologies, facilities, organization, competitiveness, and innovation with an analysis of future potential. The machining, forming, and joining of miniature / micro-products are all covered in depth, covering: grinding/milling, laser applications, and photo chemical etching; embossing (hot & UV), injection molding and forming (bulk, sheet, hydro, laser); mechanical assembly, laser joining, soldering, and packaging. Presents case studies, material and design considerations, working principles, process configurations, and information on tools, equipment, parameters and control Explains the many facets of recently emerging additive / hybrid technologies and systems, incl: photo-electric-forming, liga, surface treatment, and thin film fabrication Outlines system engineering issues pertaining to handling, metrology, testing, integration and software Explains widely used micro parts in bio / medical industry, information technology and automotive engineering Covers technologies in high demand, such as: micro-mechanical-cutting, lasermachining, micro-forming, micro-EDM, micro-joining, photo-chemical-etching, photo-electro-forming, and micro-packaging

Stereolithography

Author : Paulo Jorge Bártolo
Publisher : Springer Science & Business Media
ISBN 13 : 0387929045
Total Pages : 345 pages
Book Rating : 4.3/5 (879 download)

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Book Synopsis Stereolithography by : Paulo Jorge Bártolo

Download or read book Stereolithography written by Paulo Jorge Bártolo and published by Springer Science & Business Media. This book was released on 2011-03-18 with total page 345 pages. Available in PDF, EPUB and Kindle. Book excerpt: Stereolithography: Materials, Processes and Applications will focus on recent advances in stereolithography covering aspects related to the most recent advances in the field, in terms of fabrication processes (two-photon polymerization, micro-stereolithography, infrared stereolithography and stereo-thermal-lithography), materials (novel resins, hydrogels for medical applications and highly reinforced resins with ceramics and metals), computer simulation and applications.

Rapid Prototyping: Principles And Applications (2nd Edition) (With Companion Cd-rom)

Author : Chee Kai Chua
Publisher : World Scientific Publishing Company
ISBN 13 : 9813106042
Total Pages : 448 pages
Book Rating : 4.8/5 (131 download)

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Book Synopsis Rapid Prototyping: Principles And Applications (2nd Edition) (With Companion Cd-rom) by : Chee Kai Chua

Download or read book Rapid Prototyping: Principles And Applications (2nd Edition) (With Companion Cd-rom) written by Chee Kai Chua and published by World Scientific Publishing Company. This book was released on 2003-03-03 with total page 448 pages. Available in PDF, EPUB and Kindle. Book excerpt: Rapid Prototyping (RP) has revolutionized the landscape of how prototypes and products are made and small batch manufacturing carried out. This book gives a comprehensive coverage of RP and rapid tooling processes, data formats and applications. A CD-ROM, included in the book, presents RP and its principles in an interactive way to augment the learning experience.Special features:

Rapid Manufacturing

Author : Duc Pham
Publisher : Springer Science & Business Media
ISBN 13 : 1447107039
Total Pages : 238 pages
Book Rating : 4.4/5 (471 download)

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Book Synopsis Rapid Manufacturing by : Duc Pham

Download or read book Rapid Manufacturing written by Duc Pham and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 238 pages. Available in PDF, EPUB and Kindle. Book excerpt: Rapid prototyping is an exciting new technology used to create physical models and functional prototypes directly from CAD models. Rapid tooling concerns the production of tooling using parts manufactured by rapid prototyping. The book describes the characteristics and capabilities of the main known rapid prototyping processes. It covers in detail various commercially available processes such as: Stereolithography (SLA), Selective Laser Sintering (SLS), and others. The text places a strong emphasis on practical applications and contains an abundance of photographs and diagrams to illustrate clearly the principles of the machines and processes involved.