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Master Thesis

Improvement of the volume ramp up process

Abstract : The release to production of a semiconductor device is a tough phase. Despite all stages of validation to qualify the product and its tools of test, the lack of experience about the product means that initial deliveries are made in difficult conditions. These difficulties seem to be mainly due to any process having a capability too limited. This has as consequence that if any slight variation on the production flow occurs, the impact on performances can be critical. Due to unpredictable production yields, this might delay deliveries. It is important to consider that many processes make up the whole supply chain and that the problems linked to each process is very specific. It is then necessary to optimize as much as possible the capability of each process during the phase before the release of the product to production. The goal is to minimize the risks of late deliveries. Typically, the sooner the limitations of the process are identified, the higher the chances to solve them before the release to production. By exploiting this phase better, one is also minimize the effort of operations to bring performances of the product to their maturity. To achieve the goal, a structured approach is mandatory.
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Antoine Mauduit. Improvement of the volume ramp up process. Micro and nanotechnologies/Microelectronics. 2016. ⟨dumas-01735579⟩

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