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Process planning and scheduling of micromachined transducer

机译:微机械换能器的过程规划和调度

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The paper presents the process planning and scheduling of two types of micromachined capacitive transducers for pressure measurements. The fabrication process includes micromachined silicon and glass components. The different stages, process parameters and the required time to obtain devices with flat and corrugated membranes, are presented. The information generated from a laboratory scale experiment is extended to an industrial system. A process that involves the manufacturing of 4,800 devices once on 100 three-layer sandwich structures is studied. A total of 47 activities and 9 alternate operations are identified. For each of them, the time period is established using the acquired experience of the laboratory process. All the techniques and their parameters, the resources are screened and the time necessary to accomplish the above mentioned devices, starting from the si and glass wafers are determined. The activities are considered according to their priorities and two process networks are considered for the two types of devices for flat plate and for corrugated plate. The critical activities and the necessary resources at each step are established. An optimum activities' scheduling for the processes is proposed, in which the priorities and the critical processes are identified. The resource allocations and their capacity are also determined.
机译:本文介绍了两种类型的微机动电容换能器的过程规划和调度,用于压力测量。制造过程包括微机械型硅和玻璃部件。提出了不同的阶段,工艺参数和所需时间来获得具有扁平和波纹膜的装置。从实验室规模实验产生的信息延伸到工业系统。研究了涉及在100个三层夹层结构上制造4,800台设备的过程。共识别47个活动和9个替代操作。对于它们中的每一个,使用实验室过程的获得经验来建立时间段。确定所有技术及其参数,筛选资源,并确定从Si和玻璃晶片开始的上述设备所需的时间。这些活动根据其优先事项,两种过程网络被考虑为平板两种类型的装置和瓦楞板。建立了每个步骤的关键活动和必要的资源。提出了一个最佳活动的计划,其中确定了优先级和关键过程。还确定资源分配及其容量。

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