Stripper Overview
An amine-based stripper that enables fast and complete D/F stripping,
and maintains copper and metal surfaces
without discoloration or oxidation after stripping.
Product Name : KDR-800
| Item | Details |
|---|---|
| Applicable Process | Photoresist (PR) stripping, IRP INK (shielding ink) stripping |
| Product Form | Liquid |
| Applicable Lines | MLB, FPC, RF-PCB, HDI |
Mechanism
| Component | Role |
|---|---|
| Alkaline Components | Alkalinity source |
| Amine Components | Components that neutralize/swell and strip DFR |
| Stripping Aid Components | Components that improve stripping of crosslinked PR (Crosslinked) residues |
| Inhibitor | Components that suppress corrosion and discoloration of metals such as copper and tin |
Stripper Evaluation Results
Lifting Point & Surface Oxidation
Reacted within 10% of the stripping time from D/F & IRP Ink surfaces, with no surface oxidation for over 72 hours| Category | Concentration | Before Treatment | After Treatment | L.P | Oxidation (72hr) |
|---|---|---|---|---|---|
| Dry Film | 7% |  |
|
10% |  |
| IRP INK | 7% |  |
 |
0% | 
|
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Stripping Performance Inside Holes
Excellent stripping performance inside PTH (Plated Through Hole)| Category | Competitor | KDR-800 |
|---|---|---|
| Image Metallurgical Microscope |
 
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Cu Surface and PI Attack
Harmless to Cu surfaces and PI materials| Category | Competitor | KDR-800 |
|---|---|---|
| Image -SEM- |
 
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