WDigital micromirror device
WDiode
WField-programmable gate array
WFinFET
WGgNMOS
WHaitz's law
WIntegrated circuit
WInterband cascade laser
WMetal rectifier
WMOSFETWMOSFET applications
WMulti-junction solar cell
WOpto-isolator
WResistive opto-isolator
WShockley–Queisser limit
WSolar cell
WSolaristor
WSolid-state lighting
WTrancitor
WTransistor