Materials Literature
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Integrated circuits are built through a sequence of patterning steps. If the transistor shown in Fig. 6.1 is going to be contacted electrically so that it functions properly, the contact to the gate must physically connect to the gate and not short electrically to the source or drain. This requires that the pattern cr…
Measurement is required for developing lithographic processes and is fundamental to engineering and manufacturing control. The problem of accurate measurement is particularly significant for lithographers, where the extremely small features of state-of-the-art processes have pushed measurement capabilities to their li…
In addition to EUV lithography, a number of other alternatives to optical lithography have been or are being pursued. These alternative techniques have sometimes been called next-generation lithographies, and are frequently referred to by the acronym NGL. A number of alternatives to optical lithography have been conce…
Aos meus paisMax e Rosana. AgradecimentosGostaria de expressar o meu agradecimento a todos aqueles que de alguma forma contribuíram para a realização deste trabalho, em especial:• Aos meus pais Max e Rosana e à minha irmã Monique, sempre presentes em meu coração, pelo apoio incontestável, harmonia e superação que traz…
Established in 1964, the IUCN Red List of Threatened Species has evolved to become the world’s most comprehensive information source on the global conservation status of animal, fungi and plant species.
REFORMS SOUGHT FOR AGROCHEMICAL DATA USDA’s failure to collect agricultural pesticide and fertilizer usage data from 2007 to 2009 because of budget constraints had a big impact on data users, a report from the Government Accountability Office (GAO) concludes. The report (GAO-11-37) finds that when USDA’s National Agri…
This specification establishes the requirements for biodegradable, enzyme based, precoating surface cleaners.
As k1 factors [Eq. (2.8)] fall below 0.8, a number of effects become observable that are not seen when k1 is larger. Processes with small values of k1 began to appear in the mid-1990s, and are quite common today, as seen from Table 8.1. Some of the effects seen in patterns generated with low-k1 processes are discussed…
This specification covers an ethylene propylene elastomer in the form of molded sheet and shapes, color coded purple per ARP1527.
Established in 1964, the IUCN Red List of Threatened Species has evolved to become the world’s most comprehensive information source on the global conservation status of animal, fungi and plant species.
Imagine if the only way to determine whether bridges were designed with sufficient strength to support the weight of fully loaded trucks was to build each bridge in its desired location according to an engineer's best guess, drive trucks across to see if the bridge collapsed, and redesign the bridge if it failed. This…
Ces travaux ont pour but d'évaluer l'apport de la modélisation numérique pour étudier la modification de la plasticité des polycristaux métalliques par l'hydrogène absorbé. De précédents travaux ont proposé une quantification expérimentale de cet effet, grâce à des mesures par microscopie à force atomique (AFM) des ma…
High dimensional variation of the bamboo when in contact with fluids and its smooth surface can be responsible for a low bond between bamboo and concrete, to limit its use in reinforced beams. The research reported in this paper aimed to quantify experimentally the bamboo dimensional variation in watery environment. I…
The basic problem of imaging is shown in Fig. 2.1. Light from an illumination source passes through a photomask, which defines the patterns. The simple photomask illustrated here consists of two types of complementary areas—one type that is opaque, while the other is transparent. In this example, the transparent (or “…
Phase-Change Random Access Memories (PCRAM) are one of the most promising candidates for next generation of nonvolatile memories. However this technology presents two major drawbacks: an archival life for high operating temperatures too short and power consumption too high. The first objective of this work was to deve…
To support a new interpretation of the origin of the dynamic heterogeneity observed pervasively in fragile liquids as they approach their glass transition temperatures Tg, we demonstrate that the introduction of ~2 nm structural inhomogeneities into a homogeneous glassformer leads to a decoupling of diffusion from vis…
Electrical conduction and relaxation phenomena in bismuth borate glasses in the composition 2Bi2O3-B2O3 (Bi4B2O9) were investigated. Dielectric studies carried out on these glasses revealed near constant loss (NCL) response in the 1 kHz to 1MHz frequency range at moderately high temperatures (300-450K) associated with…
"Engineered muscle tissue offers a promising solution for the treatment of large muscle defects. Three-dimensional tissue engineered matrices, such as microthreads, can be used to grow new myofibers that will reduce scar formation and integrate easily into native myofibers. We hypothesize that adsorbing growth factors…
L'objectif de notre travail de developper des multi-materiaux de type sandwich acier/polymere/acier destines au secteur automobile en vue de l'allegement des structures. Ce nouveau materiau doit satisfaire plusieurs criteres, a savoir: i) grande deformabilite a froid en vue de l'emboutissage, ii) tenue au fluage a hau…
We summarize the renormalization-group properties of transverse-momentum dependent (TMD) parton distribution functions (PDF)s arguing that in the light-cone gauge the overlapping ultraviolet and rapidity divergences cannot be solely controlled by (dimensional) regularization, but necessitate their renormalization. In…