Wafer cutting liquid
A cutting fluid and wafer technology, applied in the petroleum industry, lubricating compositions, etc., can solve the problems of chip pollution, product performance failure, high conductivity, etc., and achieve the effect of reducing the probability of bonding and the formation of particles
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[0007] The invention is a wafer cutting liquid, which is prepared from pure water, glycerin and silicate, and the weight ratio of pure water, glycerin and silicate is 100:3:0.02.
[0008] Among them, sodium silicate is preferably used as the silicate.
[0009] The present invention changes the main component of the existing cutting fluid from soft water to pure water, reduces the composition of hard ions in the cutting fluid, thus reduces the combination probability of soft and hard ions, and greatly reduces the formation probability of particles in the cutting fluid; The electrical conductivity of the invented cutting fluid is controlled within 100us / cm, which is lower than the existing cutting fluid.
[0010] The cutting fluid of the present invention can also add a set of ultra-fine filters with a filter core of ≤3um, so as to achieve a water purification system, improve water cleanliness, reduce pollution to product surfaces and stabilize product performance.
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