Resultados de búsqueda - ((bestee OR este) OR (est OR (((esterasas OR presteas) OR restar) OR (pastes OR testaas)))) point*

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    Thermomechanical Performance of fr-4 Laminates in the Manufacturing Process of Printed Circuit Boards. por Rodríguez Vázquez, Carlos Alfonso

    Publicado 2016
    “…In 2006 the Restriction of Hazardous Substances (RoHS) prohibited the use of lead (Pb) in solder paste, which has a melting temperature around 180oC, whereas lead-free solder pastes have a melting point around 230oC, 30oC-40oC higher than Pb solder paste, this has generated PCB thermo mechanical problems due to the temperature increase at which the material is exposed. …”
    Enlace del recurso
    Tesis
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    Thermomechanical Performance of fr-4 Laminates in the Manufacturing Process of Printed Circuit Boards. por Rodríguez Vázquez, Carlos Alfonso

    Publicado 2016
    “…In 2006 the Restriction of Hazardous Substances (RoHS) prohibited the use of lead (Pb) in solder paste, which has a melting temperature around 180oC, whereas lead-free solder pastes have a melting point around 230oC, 30oC-40oC higher than Pb solder paste, this has generated PCB thermo mechanical problems due to the temperature increase at which the material is exposed. …”
    Enlace del recurso
    Tesis
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    ¿Cuánto cuesta la calidad? por Cruz Álvarez, Jesús Gerardo

    Publicado 2005
    “…In this article the eonomic impact of of quality on operation costs of the ompanies, highlithing tow following factors: 1) poor quality cost, and 2) quality cost are pointed out is described. The theory behind the quality cost is discussed and a case in the metropolitan area of Monterrey with the objective of exploring the fenomenon of quality and its imoact on the related costa is given. …”
    Enlace del recurso
    Artículo
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    Pintura y realismo, el juego de la representación = Painting and realism, the game of representation por Morales Orona, Héctor Manuel

    Publicado 2012
    “…ENGLISH: This article tries to come closer the topic of the realism from a point of view that concerns the painting using for it of concepts extracted from some philosophers’ texts that indicated the limits in which the art and the philosophy join. …”
    Enlace del recurso
    Artículo

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