Using to lapping/polishing for sapphire and ceramic products
- Customizing thickness and roughness
- Control available
- Customer lapping/polishing condition consulting
- Various diamond type & size, concentration
- Oil and liquid variations according to viscosity and
dispersion
| Micron Size | Median (D50) | Upper Limit (D99) |
|---|---|---|
| um | um | um |
| 2 - 4 | 3.12 | 6.20 |
| 2 - 6 | 4.27 | 8.29 |
| 3 - 7 | 5.17 | 10.02 |
| 4 - 8 | 6.38 | 12.3 |
• For substrate wafer:
- White pad with small square pattern, having remove ability, remove amount around 15~20um
• Application: for sapphire substrate wafer polish, having remove ability, need dresser to dress
• Characteristic
- Longer life
- Higher polish rate
| Product Name | TADC Pad | Baseline |
|---|---|---|
| Hardness (A) | 84 | 83 |
| Thickness (mm) | 1.50 | 1.35 |
| Compressibility (%) | 1.57 | 1.78 |
• For device wafer:
- White pad with small square pattern, no remove ability, don’t need to dress
- Black pad, no remove ability, don’t need to dress
• Quality Request
- No grinding/scratch mark
- Wafer thickness ± 5um
| Machine | NTS | - |
|---|---|---|
| Final wafer thickness | 150um | 100/120um |
| A. Competitor pad life (2" sapphire wafer) | 13,000 pcs | 4,000 pcs |
| B. TADC pad life (2" sapphire wafer) | 22,500 | 15,000 |
| Pad life increase raio (B/A) | 1.73 | 3.75 |
- Made up of Ultra fine artificial diamond powder.It is filled in a syringe. to be used adequately.
- Paste consists of uniform diamond dispersion. Can be washed with any detergent.
- Safety and environment factors are taken into consideration.
- Widely used from grinding to finishing and polishing of all kinds of metals and crystals.
Description
Triethanolamine (TEA) Pure is a colorless to yellow liquid with an amine-like odor.
It is miscible with water in all proportions.
Applications
Intermediate used in the production of:
• Additive for cement industry
• Corrosion inhibitors and cosmetic
• Intermediate for anionic and nonionic
surfactants
