System and method for supplying grinding fluid by chemically mechanical polishing (CMP)
A technology of supplying system and grinding fluid, applied in surface polishing machine tools, grinding devices, grinding machine tools, etc., can solve problems such as yield reduction and scratches
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[0040] In order to make the objectives, technical solutions and advantages of the present invention clearer, the present invention will be further elaborated below in conjunction with the accompanying drawings.
[0041] The polishing liquid supply system proposed in the embodiment of the present invention is such as figure 2 Shown, with figure 1 Compared with the slurry supply system in the prior art shown, the injection device 201, the reflux device 202 and the discharge device 203 are mainly added. Correspondingly, an inlet F and two outlets G and H are added to the supply tank 102. The inlet F is used to connect the injection device 201, the outlet G is used to connect the return device 202, and the outlet H is used to connect the 出装置203。 Discharge device 203. An inlet I is added to the backup tank 101 for connecting the reflux device 202. The above-mentioned connections are all connected by hollow pipes. The injection device 201 is connected to the inlet F and is used to in...
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