Yield and quality control

What is the approach called that emphasizes, when a problem occurs, going to the actual place, looking at the actual thing and confirming the actual situation?

  1. AFormalism
  2. BPerformance-based pay
  3. CSangen-shugi (actual place, actual thing, actual situation)
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Answer: C. Sangen-shugi (actual place, actual thing, actual situation)

Sangen-shugi is a basic problem-solving attitude long valued in Japanese manufacturing: rather than judging from reports or guesses alone, go to the actual place (genba), look at the actual item (defective part or tool) and confirm the actual situation and data.

  • A. Formalism values form over substance.
  • B. Performance-based pay is a human-resources concept.
  • C. Correct. It emphasizes the actual place, item and situation.
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More Yield and quality control questions

  1. Which technique varies several process conditions (temperature, time, gas flow and so on) simultaneously and systematically to efficiently determine each factor's effect with few experiments?
  2. What is the system called that monitors equipment sensor data (temperature, pressure, power and so on) during processing, detects unusual states and flags abnormalities early?
  3. Which metric evaluates equipment productivity by multiplying the fraction of time running, the performance (speed) and the good-product rate?
  4. In a semiconductor fab, what is the time from wafer start to completion called?
  5. Which control chart monitors shifts in a process's mean and changes in its spread at the same time by plotting each sample group's mean and range (max − min) over time?