衛星通訊市場的競爭壓力一直存在，各通訊廠也不斷地找尋可努力的方向，尤其是面對被稱為「世界工廠」生產之大陸產品的價格破壞，台灣的製造業普遍地面臨「如何快速提昇競爭力」的重大課題。其中，新產品開發導入量產的良率提升速度，就是通訊廠重要的競爭指標之一。要持續的保有這項競爭力，是需要不斷的透過流程改善及創新。 本研究採用探索性個案研究方式，透過新產品導入量產的可製造性設計、設計驗證、製造準備檢討及供應商管理的相關資訊與文獻，以了解新產品導入量產後，良率無法提升的原因。本文以W公司兩種新產品導入量產為個案，針對各個階段良率及不良原因分析來做探討。 研究發現，於新產品導入量產流程中，製造單位於產品開發階段也是扮演重要角色。以往的新產品導入模式，於產品開發完成後，直接交予製造單位生產，往往未加考慮其生產性或者其它因製程造成的變異。尤其是衛星通訊產品，因產品的使用頻率較高，如果不做好製程能力分析與管控，是無法將產品良率快速提升。本研究並建立一套改善手法，讓W公司的製造單位透過此方式能夠於新產品導入量產上，快速的將良率提升至一定的水準，提升其產品製造的競爭力。 ;Competition of the satellite communication market has been fierce for long, and companies strive for their unique competitive advantage. Especially when facing underpriced Chinese products, manufacturers in Taiwan are encountered with the problem of “how to stay competitive”. The timing of new product introduction and the speed of yield rate improvement after mass production are important indicators in the communication industry. However, in order to stay competitive and to grow steadily, the company needs to improve its process flow continually. This research adopts the exploratory case study method, and develops a framework which comprises relevant constructs, namely design for manufacturing, design verification, manufacturing readiness review and vendor quality management to investigate the root cause of low yield rates in NPI（New Product Introduction）. Two NPI projects of W company are selected. It is discovered that the manufacturing division played an important role in the product development stage. Newly designed products were usually handed over to the manufacturing division for production without due consideration to the manufacturability of the product or other process variation. The satellite communication products feature high frequency of utilization. If the manufacturing processes are not well designed or monitored, it is unlikely to raise the yield rate of the products fast. Through the case study, we establish a set of improving methods for the manufacturing division in W company.
