Page 25 - Six Sigma for electronics design and manufacturing

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Normal (probability) score
NS
No trouble found
NTF
OA
Orthogonal arrays
OEM
Original equipment manufacturers
PCB
Printed circuit board
PPM
Parts per million
PTF
Polymer thick film
Quality assurance
QA
Quality function deployment
QFD
QLF
Quality loss function
RFI Abbreviations
Radio frequency interference
ROI Return on investment
RPN Risk priority number
RSS Root sum of the squares
SA Structure analysis
SMT Surface mount technology
SOW Same old way
SL Specification limits
SS Sum of the squares
TH Through-hole (technology)
TQC Total quality control
TQM Total quality management