本研究使用無限產能規劃建立晶圓凸塊封裝產能規劃系統 (Bumping Capacity Planning System)，此系統係使用Microsoft Visual Basic for Application (VBA)應用程式建立，系統可以處理在製品、訂單外可按不同優先順序與機台負荷不超過最大的情況下做規劃。此晶圓凸塊產能規劃系統可以分為五個模組︰在製品指派模組 ( WIP-pulling module, WPM )、訂單優先順序模組( Order Priority module, OPM)、批量投料模組( Lot release module, LRM )、產能堆疊模組 ( Workload accumulation module, WAM )與產能平衡模組 ( Workload balance module, WBM ) 。
本研究使用系統代替人員做產能規劃，系統可依循同樣的步驟完成規劃，不會因為人的健康狀況與環境突發狀況造成規劃結果與準確性。系統可有效的安排機台負荷，本研究若有機台負荷超過機台最大負荷即會先按後推排程確認是否後推，若無則按前推排程將超過負荷的問題改善。本文亦使用實驗設計評估各因子與層級的影響效力。四種分析因子產品比例、訂單間數量變異程度 、訂單順序與產能平衡，各因子有兩個或四個層級，兩層級的因子為︰分別為產品比例、訂單間數量變異程度與產能平衡；四層級的因子為︰訂單順序。三個能力表現的衡量回饋是瓶頸機台的平均使用率、達成率與遲交訂單數。

關鍵字：晶圓凸塊封裝、無限產能規劃、產能規劃系統、實驗設計、扇入型晶圓凸塊封裝

This research uses Infinite Capacity Planning to develop a Bumping Capacity Planning System (BCPS). This system was created via Microsoft Visual Basic for Application (VBA). It can plan the orders and work in process according to different priorities with machine load not exceeding the maximum capacity. BCPS consists of five models, WIP-Pulling Module (WPM), Order Priority Module (OPM), Lot Release Module (LRM), Workload Accumulation Module (WAM) and Workload Balance Module (WBM). BCPS is created for automatic capacity planning to replace production planner. It can follow the same steps of manual production planning. However, its planning results and accuracy will not be influenced by planner’s instability and urgent orders.

BCPS takes into account machine loading. If the required load of the machine exceeds its maximum, backward scheduling will be used. If all available capacity is used, forward scheduling will be used. Experimental design is applied to evaluate the effectiveness BCPS. There are four control factors, product mix, degree of quantity variation between orders, orders priority, and workload balance. Each factor has two or four levels. The factors of product mix, degree of quantity variation between orders, and workload balance have two levels, while orders priority has four levels. Three responses factors are average utilization of the bottleneck machine, the achieve rate and tardiness of orders.

Key words: Bumping, Infinity capacity planning, capacity planning system, design of experiment and Fan-in Bumping

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