臺灣博碩士論文加值系統

半導體供應鍊系統是相當複雜且龐大的系統，可能包含著數個晶圓廠，封裝廠，測試廠以及客戶，整體的效能對於半導體產業有著相當大的影響。派屈網路理論是一個數學與圖形化的工具，它適合建立系統的模型和分析。藉由了解整個半導體業的生產過程，我們可以將屬於各成員的特徵，加上供應鍊中其他的部份，以派屈網路理論來建構其網路模型，並改變不同的參數來模擬，以分析此模型的可靠度及特性。另外，利用線性規劃的方法，可以為我們帶來參考性的實驗數據，以作為跟模擬數據的一個比較。在本論文中，我們將討論與分析半導體供應鍊模型的建構，以及其整體效能的評估。

Semiconductor supply chain systems are large and complex systems. It may contain several members such as: foundry, wafer sort, packaging and testing factories. Petri nets are graphical and mathematical tool suitable for modeling and analyzing the systems. By understanding the processing flow of semiconductor industry, we can build the Petri net models according to the character of system members, and simulate them with various parameters for analysis of reliability of this model. And we can get experimental data for comparing with simulation ones by the uniformization technique and linear programming. In this thesis, we discuss and analyze the construction and performance evaluations of semiconductor supply chain systems.

CHAPTER 1 INTRODUCTION 6
1.1 MOTIVATION 6
1.2 CONTRIBUTIONS 7
1.3 THESIS OUTLINE 8
CHAPTER 2 LITERATURE REVIEW 9
2.1 BASIC PETRI NETS DEFINITIONS 9
2.2 PERFORMANCE EVALUATION REVIEW 11
2.3 SUPPLY CHAIN AND MODELING 12
CHAPTER 3 MODELING OF SEMICONDUCTOR SUPPLY CHAIN 15
3.1 OVERVIEW OF A SEMICONDUCTOR SUPPLY CHAIN 15
3.2 SEMICONDUCTOR SUPPLY CHAIN MEMBERS 16
3.3 TYPICAL SUBNETS OF THE MODEL 21
3.4 ASSUMPTION AND CONSTRUCTION OF THE MODEL 25
CHAPTER 4 UNIFORMIZATION TECHNIQUE 31
4.1 UNIFORIMIZATION TECHNIQUES 31
4.2 REVIEW OF SPECIFIC CONSTRAINTS 35
4.3 SECOND MOMENT CONSTRAIN REDUCE 36
CHAPTER 5 EXPERIMENTAL RESULTS 45
5.1 ANALYSIS OF THE INVENORY SYSTEM 45
5.2 ASSUMPTIONS AND RESULT OF SIMULATION 46
5.3 SIMULATION AND COMPUTATION RESULT 50
CHAPTER 6 CONCLUSIONS 51
6.1 CONCLUSIONS 51
6.2 FUTURE RESEARCH 52
REFERENCE 53

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