NOVELTY - An engineered material is manufactured by directing greater than or equal to 2 beams to particular location in three-dimensional space to dissociate (101) feedstock substance containing gas or vapor into constituents which contain individual atoms or molecules in which the directing of greater than or equal to 2 beams causes greater than or equal to 1 of constituents to deposit (102) at a deposition site proximate the particular location, and forming (103) layers of deposited constituents layer by layer in greater than or equal to 1 dimensions to produce a material structure in which layer formation includes dissociating additional feedstock substance into additional constituents.    USE - Manufacture of engineered material for electrochemical system, such as reversible fuel cell, bioreactor, filter, sensor, and molecular carrier and/or substrate for other assemblies, molecules, compounds, and substances, fuel technology, production of chemicals, pharmaceuticals, and nanomaterials, and building and construction materials.    ADVANTAGE - Required energy to dissociate feedstock substance into constituents is minimized, and excess by-product which reduces efficiency of the process can be removed from the exemplary chamber, and dissociation of feedstock substance can be repeated.    DETAILED DESCRIPTION - An engineered material is manufactured by directing greater than or equal to 2 beams to a particular location in three-dimensional space to dissociate (101) feedstock substance containing gas or vapor into constituents which contain individual atoms or molecules in which the directing of greater than or equal to 2 beams causes greater than or equal to 1 of the constituents to deposit (102) at a deposition site proximate the particular location, and forming (103) layers of deposited constituents layer by layer in greater than or equal to 1 dimensions to produce a material structure in which layer formation includes dissociating additional feedstock substance into additional constituents by directing greater than or equal to 2 beams to a location proximate a previously deposited constituent to cause greater than or equal to 1 of the additional constituents of the dissociated additional feedstock substance to deposit on a constituent deposition site of the previously deposited constituent, and greater than or equal to 2 beams include laser beam and/or atomic particle beam. An INDEPENDENT CLAIM is included for fabrication of engineered material which involves providing 1st energy of association to 1st gas or vapor feedstock substance by directing greater than or equal to 1 beams to 1st location in three-dimensional space to dissociate 1st gas or vapor feedstock substance into 1st group of constituents containing individual atoms or molecules, providing 2nd energy of association to 2nd gas or vapor feedstock substance by directing greater than or equal to 1 beams to 2nd location proximate the 1st location to dissociate 2nd gas or vapor feedstock substance into 2nd group of constituents and form a bond between greater than or equal to 1 of dissociated constituents of 2nd group and greater than or equal to 1 of dissociated constituents of 1st group to produce material deposit, and creating material structure deposit by sequentially bonding deposits of dissociated constituents to material deposit by directing greater than or equal to 1 beams to further dissociate additional gas or vapor feedstock substances and form bonds between their constituents and the material deposit in which the directed beams are laser beam and/or atomic particle beam.    DESCRIPTION OF DRAWING(S) - The drawing shows a process flow diagram of the manufacturing method of an engineered material or device.    Dissociation of feedstock substance (101)    Deposition of constituents on deposition surface (102)    Formation of layers of deposited constituents (103)