Glass Etchant
Necessity to substitute HF
Jeonyoung’s glass etchants
-
- GT-2000
- Micro-etching
-
- GT-2004
- Slimming etching
-
- GT-6400
- Chemical cutting etching
-
- GT-7000
- Gorilla glass etching
-
- GT-250MG4
- Pattern etching
-
- Gfro-1
- Frost etching
[TFT-LCD Glass Etchant GT-series]
| HF | GT-2004 | Remarks | |
|---|---|---|---|
| Amount used | 3.5L / sheet | 3.5L / sheet | |
| Life time | ≒35~50 sheets / 1day | ≒360 sheets / 7days | |
| Faulty yield | 33% | 2% | |
| Faulty cause | Dimple, stain | Dimple | |
| Faulty size | Larger than 150㎛ Dimple 300ea/10㎠ |
Smaller than 150㎛ Dimple 40ea/10㎠ |
|
| Shape of dimple |  |
 |
|
| Etching rate(㎛/min.) | 12~15 | 7~7.5 | Both sides |
| Etching | 1.26T~0.8T | 1.26T~0.8T | |
| Temperature | 28~33℃ Automatic increase by exothermic reaction |
34℃ | |
| Surface tension | 68 dyne/㎝ | 40 dyne/㎝ | |
| Shape of sludge | Crystallized & hard type | Gel soft type |
| Product life time | Bump occurrence | Dimple distribution |
|---|---|---|
 |
 |
 |
