The ChemicalVia process, patented by CERN, provides a new method of making microvias in high‐density multilayer printed circuit boards of different types, such as sequential build‐up (SBU), high density interconnected (HDI), or laminated multi‐chip modules (MCM‐L). The process uses chemical etching instead of laser, plasma or other etching techniques and can be implemented in a chain production line. This results in an overall reduced operation and maintenance cost and a much shorter hole production time as compared with other microvia processes.
A peça teatral “Um monge no jardim” (Anexo) aborda diversos temas na área de genética, incluindo desde a referência histórica sobre o surgimento da genética mendeliana até conceitos básicos atuais, como a definição de célula, cromossomos, genes e herança genética. O texto também se debruça sobre a existência das síndromes cromossômicas e conduz a uma reflexão sobre a inclusão social de pessoas com síndrome de Down.
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