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Diamond Wheels for Various Wafer Surface Grinding

Business Units
Electronics & Semiconductor
Types of tools
Grinding Tools
Processing method
Grinding
Work
Semiconductor materials, Glass, Ceramics
Bond
Metal, Vitrified, Resin

Product Details

This is a diamond wheel for surface grinding of various wafers such as semiconductor materials and electronic device materials. We provide the most suitable wheels for each material. It minimizes machining damage, improves machining efficiency, and contributes to the reduction of machining costs. It can be customized according to the customer's needs.

Application

  • Silicon semiconductor wafer
  • Compound semiconductor wafers
  • Wide bandgap semiconductor wafers (SiC/GaN)
  • SAW filter wafers (LT/LN)
  • Sapphire/Glass wafer
  • Packaged resin (WLP, etc. )
  • Ceramic wafers (Al2O3/AIN, etc. )

Bond Type

  • Vitrified
  • Resin
  • Metal

Product characteristics

feature

Provide various wheels for each applications
Modify wheel specifications upon request of customers

Product Lineup

Resin Wheels
Recommended for Silicon Wafer, Heat sink substrate, and Encapsulation materials
Vitrified wheels
Recommended for almost all "electronic components and semiconductor's substrates and materials
Metal wheel
Recommended for Support substrate, Heat sink substrate, Sapphire, and Encapsulation materials

Target Work

Semiconductor substrate materials
Silicon
Silicon Carbide
Gallium Nitride
Gallium Oxide
Sapphire
Indium Phosphide
Other Compound Semiconductors
Electronic component materials
Lithium Tantalate
Lithium Niobate
Encapsulation materials
Epoxy Molding Compounds
Polyimide Resin
EMC and Copper electrode
Support substrate
Borosilicate Glass
Non-alkali Glass
Quartz Glass
Other glass
Heat sink substrate
Sintered Aluminum Nitride
Sintered Silicon Nitride
Sintered Silicon Carbide
Sintered Alumina Oxide
Other Ceramics

Other optimal specifications are available upon request.

Example of high count vitrified wheel processing

Comparison of surface roughness and damage depth after grinding various semiconductor substrate materials with a high number wheel

Work materialMesh sizeBond TypeSurface roughnessDamage depth
Φ12inch-Si#30000Vitrified 1~2nm≦100nm
Φ6inch-LT#8000Vitrified 3~5nm≦250nm
Φ6inch-LN#8000Vitrified 2~4nm≦350nm
Φ6inch-SiC#30000Vitrified ≦1nm≦100nm
Φ2inch-GaN#30000Vitrified ≦1nm≦450nm
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Other Processing Examples

EMC and Cu

No drag, etc. even with high Cu occupancy.
Less step difference between EMC and Cu.

If you have any questions or concerns, please feel free to contact us at