The process of grinding and polishing sapphire substrate1. WaxingThe primary action of the LED chip grinding process is "waxing", which has the same meaning as the CMP chemical grinding of silicon chips. Fix the chip on the iron (Lapping pr···

The process of grinding and polishing sapphire substrate1. WaxingThe primary action of the LED chip grinding process is "waxing", which has the same meaning as ···

When polishing with polishing machine and polishing powder or polishing liquid, parameters such as polishing time and pressure should be set. After polishing, it should b···