| Patent Number |
Title Of Patent |
Date Issued |
| 6890664 |
Entry boards for use in drilling small holes |
May 10, 2005 |
| An entry board for use in drilling small holes in boards: the entry board comprises a lubricant layer of a mixture of a polyethylene glycol having an average molecular weight of at least 3000 to less than 10000, a polyethylene glycol having an average molecular weight of at least 10000 |
| 6221814 |
Aqueous compositions, aqueous cutting fluid using the same, method for preparation thereof, and |
April 24, 2001 |
| An aqueous cutting fluid which can reduce the impact on working environment and the global environment, and can achieve both preventing precipitates from becoming a hard cake and keeping high dispersibility for abrasive grains is provided. Such an aqueous cutting fluid is obtained by a m |
| 6001265 |
Recovery of coolant and abrasive grains used in slicing semiconductor wafers |
December 14, 1999 |
| A system for reusing water soluble slurry waste fluid wherein separated available abrasive grains and extracted water soluble coolant are reused. This system is capable of reducing a disposal cost due to a reduction of a load to a waste water disposal plant by effectively reusing water s |
| 5693596 |
Cutting fluid, method for production thereof, and method for cutting ingot |
December 2, 1997 |
| A water-soluble cutting fluid is produced by dissolving a polymer fatty acid triglyceride imidazole, 2-methyl-1-stearate, and boric acid imidazole in the dispersion of inorganic bentonite in water thereby preparing a main component and adding oleic acid (agent for enhancing the lubricity |
