Read-Rite Low FPY Manufacturing Case Study

Read-Rite Philippines is the manufacturing site for the Tape Head Business Unit, and the core competency is assembly and test. Read-Rite Philippines manufactures magnetoresistive tape heads to the entry level through mid-range tape drive markets, with products such as Travan, DLT (Digital Linear Tape), SLR (Scalable Linear Recording) and SDLT (Super DLT). The Elite Sigma…

How to Avoid Common Mistakes When Measuring Performance

In manufacturing, key quality indices – performance capability index (Cpk), defects per million opportunities (DPMO) and first pass yield (FPY) – are prevalent criteria for gauging the performance of products and processes. These indices however, often are interpreted wrongly and used without taking into account the conditions of application. Moreover, alternative indices such as rolled…


Using Effective Metrics to Measure Production Test Flow

To characterize the effectiveness of productions tests, practitioners often use several types of metrics. Some measure the efficiency of the manufacturing process, while others measure the productivity. While these metrics are useful in many situations, they also come with drawbacks and limitations. One process can be efficient but not productive, while another may have high…

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