This document discusses ultra-large scale integration (ULSI) circuits and semiconductor manufacturing processes. It introduces ULSI and its applications. It then summarizes the key steps in the IC fabrication process, including crystal growth, thin film deposition, oxidation, etching, lithography and metallization. Finally, it discusses future trends in ULSI, such as following Moore's Law to continue increasing transistor density, performance and functionality through advances in device physics, materials and technology to shrink dimensions below physical limits.
This document discusses ultra-large scale integration (ULSI) circuits and semiconductor manufacturing processes. It introduces ULSI and its applications. It then summarizes the key steps in the IC fabrication process, including crystal growth, thin film deposition, oxidation, etching, lithography and metallization. Finally, it discusses future trends in ULSI, such as following Moore's Law to continue increasing transistor density, performance and functionality through advances in device physics, materials and technology to shrink dimensions below physical limits.
Este documento resume varios métodos de insensibilización para ganado bovino antes del sacrificio, incluyendo pistola de bala cautiva, aturdimiento por gas y electrocución. Explica que la electrocución generalmente no es apropiada y que los métodos deben causar pérdida inmediata de conciencia del animal. También describe una encuesta sobre conocimiento de zoonosis en la población y concluye enfatizando la importancia de un sacrificio indoloro y prevenir consecuencias para la salud pública.
El documento habla sobre el problema de la sobrepoblación animal de mascotas y sus efectos negativos. La sobrepoblación pone en riesgo la vida de las mascotas y afecta la salud humana al aumentar la transmisión de enfermedades zoonóticas y la contaminación ambiental. La autora busca crear conciencia sobre este problema a través de información para que la población ayude a disminuirlo. Se muestran los resultados de una encuesta sobre la esterilización de mascotas.
Erik Johansson is a 23-year-old Swedish student who creates impossible pictures that play tricks on the viewer's mind. His pictures use optical illusions and unusual perspectives to make scenes and objects appear in ways that defy perception and logic.
The document lists 13 famous gardens around the world, including Versailles in Paris, France; The Garden of Cosmic Speculation in Scotland, UK; Boboli Gardens in Florence, Italy; Rikugien Gardens in Tokyo, Japan; Claude Monet Gardens in Giverny, West Paris, France; Butchart Gardens in Victoria, BC, Canada; Kirstenbosch Botanical Gardens in Cape Town, South Africa; Guarapiranga Sacred Grounds in Sao Paulo, Brazil; Yu Gardens in Shanghai, China; Exbury Gardens in New Forest, England; Keukenhof Gardens in Holland; Mirabell Garden in Salzburg, Austria; and Zen Garden of Ryoan Temple in Kyoto