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題名 | An Effective Modern Approach for Measuring High-Tech Product Manufacturing Process Quality=評估高科技產品製程績效之有效方法 |
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作者 | 彭文理; 吳建瑋; | 書刊名 | 工業工程學刊 |
卷期 | 22:2 民94.03 |
頁次 | 頁119-133 |
分類號 | 494.55 |
關鍵詞 | 臨界值; 產品不良率; 信賴下界; 百萬分之一; 製程能力指標; Critical values; Fraction of nonconformities; Lower confidence bound; PPM; Process capability indices; |
語文 | 英文(English) |
中文摘要 | 近年來,隨業製程技術的快速進行,供應商不斷要求產品具有高的水準以及相當低的產品不良率。然而,由於在這些高品質製程(不良品敗通常用百萬分之一為衝量單位)所取出適當大小的樣本中幾乎沒有不良品,因此傳統用來衝量這些傳不良率製程的報變得沒有效率具不適用。有鑑於此,本研究提出一個評估高科技產品製程水準的有效方法,也就是利製程能力指標來評估製程能力與產出績效。此外,本文亦針對一些實務上的推廣及應用情形提出應論與建議。因此,操作人員可能根據所提出的檢定程序簡單地斷他們的製程是否達到指定所要求的製程能力水準,以做為衡量製程能力好壞及接單與否的重要參考。 |
英文摘要 | As rapid advancement of the manufacturing technology, suppliers require their require their products be high quality with very low fraction of nonconformities. Traditional methods for measuring fraction of nonconformities become inapplicable for those high quality process since any manufacturing sample of reasonable size likely contains no defective product items. In this paper, we first comment on the classical approach, then present an effective modern approach based on process capability indices for measuring manufacturing process quality, specifically for high technology product requiring very low fraction of nonconformities (often measured in PPM, parts per million). In addition, several implementation issues and extensions and discussed. The manufacturers can use the presented approach to perform quality testing and determine whether their processes are capable for reproducing product items satisfying customers’ stringent quality requirements. |
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