Reasons for Spheroidization of Spherical Quartz Powder | Mis-asia
What's a sphere of spherical Quartz Powder?
Spherical Quartz Powder, also known by spherical Silica Powder, refers to an Amorphous Quartz powder material that is spherical-shaped and contains silicon dioxide as its main component.
Spherical quartz powder can be used to make copper-clad laminates or epoxy molding compound, as well as for fillers in large scale integrated circuit packaging.
Quartz Powder is Spheroidized:
1. The largest surface area of the balls is 90.5%. This is due to an increase in filling speed of silica powder.
The silicon micropowder's filling rate is greater than the temperature expansion coefficient. This means the material will have a lower thermal conductivity. It also has a higher thermal expansion.
2. Spherical powder plastic sealant has the highest strength and lowest stress concentration. If the plastic sealing material of the angulous powder has a stress level of 1 then the stress for the spherical is only 0.6. When the spherical plastic powder seals the integrated circuit chips, it is difficult to create mechanical damage through transportation, installation, or use.
3. The friction coefficient for spherical dust is low, so the mold wear is very minimal and it has a longer service life. The service life of the mold is doubled when compared with angular powder. Packaging molds made of plastic sealing compounds are expensive. It is therefore necessary for some to be imported.
4. This is because silicon micropowder has the ability to strengthen epoxy resin. Spherical powders can also enhance this effect.
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