LIQUID MIXING SYSTEM FOR SEMICONDUCTOR FABRICATION

A liquid measuring beaker is suitable for measuring an amount of a liquid required in a liquid mixing process. The liquid measuring beaker includes a shell and an adjusting partition. The shell defines a reservoir having a volumetric capacity, in which the shell has a first opening passing through a bottom of the shell. The adjusting partition is vertically movable in the reservoir for adjusting the volumetric capacity, in which the adjusting partition has a second opening passing through the adjusting partition. 1. A liquid measuring beaker suitable for measuring an amount of a liquid required in a liquid mixing process , the liquid measuring beaker comprising:a shell defining a reservoir having a volumetric capacity, wherein the shell has a first opening passing through a bottom of the shell; andan adjusting partition which is vertically movable in the reservoir for adjusting the volumetric capacity, wherein the adjusting partition has a second opening passing through the adjusting partition.2. The liquid measuring beaker of claim 1 , wherein the bottom of the shell has a top surface inclined downward inwardly.3. The liquid measuring beaker of claim 1 , wherein the adjusting partition has a bottom surface inclined upward inwardly.4. The liquid measuring beaker of claim 1 , further comprising:a screw connected to the adjusting partition; anda motor connected to the screw for driving the screw to vertically move the adjusting partition.5. The liquid measuring beaker of claim 4 , wherein the screw is connected to a center of a top surface of the adjusting partition.6. A liquid supplying system suitable for supplying a required amount of a liquid to a mixing tank claim 4 , the liquid supplying system comprising: a shell defining a reservoir having a volumetric capacity, wherein the shell has a first opening passing through a bottom of the shell; and', 'an adjusting partition which is vertically movable in the reservoir for adjusting the volumetric capacity, wherein ...