| Summary: | 碩士 === 國立交通大學 === 管理學院碩士在職專班工業工程與管理組 === 95 === It almost becomes the normal state that demand forecast isn't predictable in the industry of the semiconductor. Especially in IC OEM factory, not only the longer supply chain but also the more numerous products in it, and the knowledge of management needed is also comparatively complex .Although the methodology of the forecast progress rapidly .None of methodology can prepare the target inventory well in the supply chain till now. And, the customer satisfies with the level of such inventory .In the OEM case study between M company and P company. It is disaster which comes high level of the supply chain inventory after P company complained of supply shortage in succession. The repeated problem result in conflict and obstruction between supply and demand .These problems are in aggravated relationship and cost increasing in inventory and hot lot. The variation of demand appear in market with frequency. Due to “Bullwhip Effect”, the supplier miss direction in the preparing for target inventory. The purpose in this paper want to analyze supply history of M company and find out the better model for supply chain management. There are many kinds of supply chain models . Now ,the model in M company is a “ push “ supply chain. M company prepare target inventory for the demand forecast of P company every month ,then M company release the WIP from bank when they get orders from P company , the finish goods will be delivered to P company after assembly and final testing process .The paper would like to build a virtual warehouse through the change of supply chain model and product depend on finish goods consuming. By the ‘VMI” simulation of M company’s supply history, the change of production control index will be monitored the deviation between “push” and “ pull “ supply chain model. The production control index includes TDD and Target Inventory .
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