  The scaling properties of one-dimensional deconstructed surfaces are studied
by numerical simulations of a disaggregation model.
  The model presented here for the disaggregation process takes into account
the possibility of having quenched disorder in the bulk under deconstruction.
The disorder can be considered to model several types of irregularities
appearing in real materials (dislocations, impurities). The presence of
irregularities makes the intensity of the attack to be not uniform. In order to
include this effect, the computational bulk is considered to be composed by two
types of particles. Those particles which can be easily detached and other
particles that are not sensible to the etching attack. As the detachment of
particles proceeds in time, the dynamical properties of the rough interface are
studied. The resulting one-dimensional surface show self-affine properties and
the values of the scaling exponents are reported when the interface is still
moving near the depinning transition. According to the scaling exponents
presented here, the model must be considered to belong to a new universality
class.
