Screening the Best Production Line within Restricted Parameter Space

有限參數空間之最佳製程篩選

林真如(Chen-Ju Lin)

良率 ； 子集選擇 ； 降階程序 ； 有限參數空間 ； yield ； subset selection ； stepdown test procedure ； restricted parameter space

品質學報

17卷6期（2010 / 12 / 01）

453 - 467

英文

在評估製造系統表現的過程中，製程選擇爲常見問題之一。檢定程序可藉由比較生產線良率，進而鑑別出最佳製程。本文主要研究三個製程的挑選問題，檢定方法透過刪除較低良率的製程，達到篩選出具備最高良率製程的目標。本研究以良率的全距作爲先驗資訊，提出兩階段的降階檢定步驟，並採用較嚴謹的決策值，以提高篩選方法鑑別力。最後文中以3D加速計的製程比較爲例，說明有限參數空間之降階檢定程序的效率。

Process selection is a common problem when evaluating production systems. The screening procedure compares a group of production lines and identifies the one with the highest yield. This paper investigates the selection problem among three production lines by eliminating those with lower yields. A systematic approach utilizing the prior information about the range of yield is developed to solve the selection problem. The proposed two-phase stepdown test procedure incorporates sharper critical values and thus increases the power of the test scheme. An application on comparing 3D-accelerometer manufacturing lines is presented to demonstrate the efficiency of the proposed stepdown test procedure within the restricted parameter space.

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