Assertion: cd | /r/HasProperty | 1–3 microns long
Facets:
value: 1–3 microns
type: OTHER
Source sentences:
text: Information (either audio on a music CD or data of many kinds on a CD-ROM) is stored in pits on the CD that are 1–3 microns long, about 0.5 micron wide, and 0.1 micron deep.