Patent ID: 9589820
Date: 2017-03-07
CPC Classifications: B41J,B82Y,H01L

Claim:
1. An adjustment method for a semiconductor apparatus, comprising: dispensing first chemical liquid by a first nozzle onto a wafer; continually taking images of the first nozzle and a second nozzle in sequence by an image device; dispensing second chemical liquid by the second nozzle onto the wafer at a first dispensing time; analyzing each of the images by a processing module; and processing an adjustment process when a first defective feature is shown in a first defect image of the images, wherein the first defective feature is that the first chemical liquid and the second chemical liquid existing in a space close to the first and the second nozzles, and flowing to the wafer, wherein the adjustment process further comprises adjusting the first dispensing time by the processing module.