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In-house development of scheduling decision support systems: case study for scheduling semiconductor device test operations

机译:调度决策支持系统的内部开发:调度半导体器件测试操作的案例研究

摘要

Most manufacturing processes can benefit from an automated scheduling system.However, the design of a fast, computerised scheduling system that achieveshigh-quality results and requires minimal resources is a difficult undertaking.Efficient scheduling of a semiconductor device test facility requires aninformation system that provides good schedules quickly. Semiconductor devicetesting is the last stage of the long semiconductor manufacturing process, andtherefore is subjected to customer service pressures. The cost of an off-the-shelfcomputerised scheduling system may be prohibitive for many companies.In addition, many companies are taken aback by other characteristics ofoff-the-shelf scheduling systems, such as code confidentiality, maintenance costs,and failure rates. We draw upon the literature and our field case to discuss someof the trade-offs between in-house development and off-the-shelf acquisition ofsoftware. We describe the in-house design and implementation of a schedulingdecision support system for one device test facility. Using the design andimplementation process of this system as a case study, we discuss how one facilityuses in-house design of systems in a strategic way, as a competitive capability.
机译:大多数制造过程都可以从自动调度系统中受益,但是要实现高质量结果且需要最少资源的快速计算机化调度系统的设计是一项艰巨的任务。半导体器件测试设施的高效调度需要一个信息系统,该系统应提供良好的性能。快速安排时间。半导体器件测试是漫长的半导体制造过程的最后阶段,因此承受着客户服务压力。对于许多公司而言,现成的计算机调度系统的成本可能会高得无法承受。此外,许多公司对现成调度系统的其他特征(例如代码机密性,维护成本和故障率)感到吃惊。我们利用文献和现场案例来讨论内部开发与现成的软件购买之间的一些权衡。我们描述了针对一个设备测试设施的调度决策支持系统的内部设计和实现。以该系统的设计和实现过程为案例研究,我们讨论了一种设施如何以战略方式利用内部系统设计来提高竞争力。

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