dfr for tenting ability ft-2500 series
introduction
specially for first time yield, fh-1500 series exhibit excellent tenting ability and good stripping property, which are newly water-soluble dry film photoresist.
■ high resolution & adhesion
■ scum free and low sludge
■ super tenting ability
characteristics
| property | unit | ft-2538 |
| thickness | μm | 38±2.0 |
| exposure energy (sst=23/41st) | mj/cm2 | 35 |
| resolution (sst=23/41st) | μm | 40 |
| adhesion (sst=23/41st) | μm | ≤15 |
| minimum developing time | s | 26 |
| stripping time (3%naoh, 50 ℃) | s | 38 |
| tenting ability | 7 mm hole | ok |
