Monte Carlo simulations were performed to examine the plasma in sputter magnetrons. The motion of electrons is traced by using realistic magnetic fields. Ionization of Ar due to collision with electrons is included in the model. The distribution of the ionization density is used to calculate the target erosion profile.
Monte Carlo simulations were performed to examine the layer thickness distribution of a sputter deposition process. The numerical results were used to optimize the uniformity of a large area cathode array for static thin film deposition on Gen6/Gen7 substrates. The influence of different target materials was investigated.
Abstract— The movement of particles from a target to a substrate during the sputter process was studied using the Monte Carlo Simulation technique. The momentum and energy distribution of the ejected particles were taken into account along with the change of momentum and energy in their collisions with gas atoms. The momentum transfer from the ejected target atom to the gas atom was used to estimate the gas rarefaction in front of the target. Layer‐thickness distributions of different target materials were calculated and compared with experimental measurements. The results were used to optimize the uniformity of static thin‐film depositions on Gen 6/Gen 7 substrates from a large‐area cathode array.
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