Weeks 27-28

Report

Inspection Accept

32%

Electrical Testing Pass

74%

Weeks 27-28 Summary                                                                                                          

Electrical Testing yields continued to increase, despite a slight dip in Week 27. Yields have improved in 3 of the past four weeks, reaching 79% in Week 28 and 74% for the period, up 8 points over the previous period's 62%.

Nine different devices had a high failure rate in Electrical Testing, and two of those had a 100% failure rate.

Inspection results reached an all-time low in Week 27, plummeting to 21% before "recovering" to 42% in Week 28 and a 32% for the period, compared to 46% in the previous period.

Weeks 27-28 Quality Report

Samsung CL31B106KLHNNNE - Capacitance "Free" Capacitor

STMicroelectronics L200CH (Date Code not marked or labeled) - 6% Failure Rate - Random mix of High, Low, and No Output devices.

Infineon ADM6999X-A2-T-1-XP (Date Code not marked or labeled) - 27% Failure Rate - Shorted pins and bad protective diodes.

Altera EP2S180F1508I4 (Date Code 1005) - 6% Failure Rate - VCCIO shortted to GND.

Texas instruments TMS9995NL (Date Code not marked or labeled) -26% Failure Rate - Bad protective diodes.

Altera EP2S90F1020I4N (Date Code 1219) - 100% Failure Rate - No output.

Samsung Electronics CL31B106KLHNNNE (Date Code not marked or labeled) - 100% Failure Rate - No capacitance.

Altera AT91SAM7S64C-AU (Date Code 1120) - 52% Failure Rate - Can not load the program with ID error.

International Rectifier PVT312LSTPBF (Date Code 1140) - 20% Failure rate - High leakage current.