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W/B	wire bonding
WAN	wide area network
WB	weak base
WBS	work breakdown structure
WBSEM	Wire Bonder Specific Equipment Model
WDS	wavelength-dispersive spectrometry of X-rays
WDX	wavelength-dispersive X-ray
WDXA	wavelength-dispersive X-ray analysis
WEC	wafer environment control
WFT	wafer fabrication template
WIB	within-batch
WIP	work in process; work in progress
WIW	within-wafer
WIWNU	within-wafer non-uniformity
WLBI	wafer-level burn-in
WLP	wafer-level package
WLT	wafer-level test
WNP	waste neutralization plant
WPC	wafer process chamber
wph	wafers per hour
WSI	wafer-scale integration
WTC	wafer transfer chamber
WTW	wafer to wafer
WTWNU	wafer-to-wafer non-uniformity