From Suntron Corporation
Suntron shares a common goal of Quality with its Customers. IPC workmanship standards are used to provide uniformity and consistency in the product that is built. To ensure that the Quality level is maintained, the Cost of Poor Quality is monitored with respect to internal process controls. The subject of component Tombstone as a recorded internal process control defect has become an increasing concern.
CCA's having this type of defect need special attention due to the high risk in late delivery and rework times associated with the replacement of parts and PCB repair.
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Suntron shares a common goal of Quality with its Customer's. IPC workmanship standards are used to provide uniformity and consistency in the product that is built. To ensure that the Quality level is...
3.8 Calculating Sigma Once the historical/collected information becomes available, the next step is to calculate the Sigma metrics to identify the quality level of the current product/process. This...
Chandra Saravanan, Zhuan Liu, Weidong Yang, Matthew F. Swisher, and Anlun Tang, Shrinking device dimensions place aggressive demands on defect detection metrology. As device density and critical...
14.1 INTRODUCTION During the production phase, the stress screening process and the screen fallout data must be monitored and controlled, and the screening program should be evaluated to assure that...
10.5 Defect Analysis and Prevention We have seen that defects are introduced during development and are removed by the various quality control tasks in the process. Whereas the focus of the quality...
