congruent evaporation

congruent evaporation

[kən′grü·ənt i‚vap·ə′rā·shən]
(metallurgy)
In laser deposition, the tendency of the deposited film to have the same composition or stoichiometry as the material that serves as the target of the laser radiation.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.