Patent ID: 8260557

Claim:
A system for determining one or more occurrence factors of particles, comprising: a user interface device; and an apparatus for detecting the occurrence factors of particles, wherein the apparatus for detecting the occurrence factors of particles includes: a storage unit that stores a program for executing a calculation method for calculating a probability of each of the occurrence factors of particles in the form of a quantified score; and a calculation unit for determining whether to calculate the quantified score depending on a type of a substrate processing system using the stored program and calculating the quantified score for each of the occurrence factors of particles based on particle distributions at least on a surface of a substrate using the stored program, wherein the user interface device displays the calculated quantified score for each of the occurrence factors of particles, wherein the calculation unit determines a dominant occurrence factor of particles based on quantified scores calculated by using the following calculation methods (i) to (iv); the calculation method (i) wherein the quantified score is calculated based on deviation between placement positions of gas holes of a shower head for supplying a processing gas in each of process modules of the substrate processing system and positions of a particle distributions on the surface of the substrate, the calculation method (ii) wherein the quantified score is calculated based on the number of particles distributed on a surface at a central portion of the substrate and the number of particles distributed on a surface in the peripheral portions of the substrate, the calculation method (iii) wherein the quantified score is calculated based on distributions of second degree curves of the particles on the surface of the substrate, and the calculation method (iv) wherein the quantified score is calculated based on spiral distributions of the particles on the surface of the substrate wherein the occurrence factors of particles respectively corresponding to the programs for executing the calculation methods stored in the storage unit include at least one of gas hole penetration, deposited residue, and a reaction between water and halogen-based gas, and particles generated in a measurement unit having a rotary device for rotating the substrate, wherein the calculation methods (i) to (iv) are respectively employed in calculating a probability of the gas hole penetration, a probability of the deposited residue, a probability of the reaction between water and halogen-based gas and a probability of the particles generated in a measurement unit having a rotary device for rotating the substrate.