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采用综合法封装MEMS加速仪 被引量:2
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作者 Jian Wen Vijay Sarihan +1 位作者 Bill Myers gary li 《电子产品世界》 2011年第11期8-8,10-12,共4页
MEMS封装系统应有MEMS执行感应功能,而且还要避免受到外界环境的影响,同时持续地改进质量,达到较高的ppm性能。本文采用SOIC封装,必须维持一个特定的共振频率,从而防止传感器被粘住或卡住。同时,封装必须确保传感器是可靠和完整的,没有... MEMS封装系统应有MEMS执行感应功能,而且还要避免受到外界环境的影响,同时持续地改进质量,达到较高的ppm性能。本文采用SOIC封装,必须维持一个特定的共振频率,从而防止传感器被粘住或卡住。同时,封装必须确保传感器是可靠和完整的,没有出现断裂或输出偏差。本文采用一种综合学科研究方法,以确定合适的固晶材料来彻底解决器件断裂的问题。这种方法涉及振动分析、电气响应测定、压力分析和断裂力学。 展开更多
关键词 MEMS 封装 加速仪
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Opportunities and challenges in developing tissue-agnostic anti-cancer drugs
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作者 Ivan W.li Nithya Krishnamurthy +1 位作者 Ge Wei gary li 《Journal of Cancer Metastasis and Treatment》 CAS 2020年第1期131-147,共17页
The rapid advances in the understanding of oncogenic process and the maturation of affordable precision diagnostic tools have enabled the development of targeted therapeutic agents,such as those targeting BCR-ABL,epit... The rapid advances in the understanding of oncogenic process and the maturation of affordable precision diagnostic tools have enabled the development of targeted therapeutic agents,such as those targeting BCR-ABL,epithelial growth factor receptor L858R,EML4-anaplastic lymphoma kinase,and BRAF V600E,to treat cancers that harbor specific molecular alterations.Traditionally,each targeted drug has been developed for a particular tumor type where such alteration is most frequently found.Recently,the widespread adoption of next generation sequencing has led to an increase in the identification of rare and ultra-rare alterations,and,in some cases,the same rare alterations are found across multiple tumor types.The rarity of these alterations makes clinical trials traditionally designed for specific tumor types infeasible.As a result,tissue-agnostic trials have been developed to study the efficacy of these treatments and increase patient access.This review summarizes current successful cases of tissue-agnostic development,such as drugs targeting tropomyosin receptor kinase fusions,and proposes the next wave of potential tissue-agnostic targets,including fusions of ROS1,anaplastic lymphoma kinase,fibroblast growth factor receptor,and rearranged during transfection.In addition,the advantages and the challenges of such approach are discussed in the context of clinical development and approval. 展开更多
关键词 Tissue agnostic basket trial tropomyosin receptor kinase anaplastic lymphoma kinase ROS1 fibroblast growth factor receptor rearranged during transfection
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