The invention of the scanning capacitance microscope has all of that. R. Matey invented the scanning capacitance microscope, which used sensors cannibalized from the company’s VideoDisc players. Why the RCA VideoDisc FailedBut no story about the scanning capacitance microscope’s triumph would be complete without some discussion of the VideoDisc’s failure. RCA VideoDiscs were easily damaged by dust and fingerprints, so they were loaded into the SelectaVision player inside plastic sleeves. For a brief period, RCA VideoDiscs shared the shelves with videotapes, but usually only at independent shops and never with as many titles available.