Glossary-11
Glossary
VISIBLE LASER DIODE (VLD) A solid state device which produces visible laser light. Laser
light emitted from the diode has a wavelength of 670 to 680
nanometers.
VOID Absence of ink within printed bars.
X-DIMENSION Width of the narrowest element (bar of space) in a bar code
symbol.
Y-DIMENSION Element height, as applied to a two-dimensional symbology,
which must equal or exceed a required minimum.
ZERO-SUPPRESSED CODE A version of UPC/EAN which reduces the number of
characters in the code. The resulting code combines the
manufacturer's code and the product's code of Version A in
a retail application.