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PR Stripper for SC & PKG
PR Stripper to remove PR after PR process performed, which is semiconductor manufacturing and post process in PKG.
The products applied to the Positive PR and the Negative PR each are under development.
- As an organic solvent of DMSO free glycol series, it has advantage for the process safety and waste water generation
- Since it has long bath life and less damage to Cu material, it can be applied during the Cu bump or the seed
Principle
PR Strip
FIRST
Solvent ingredients allow the chemical to penetrate inside by swelling PR
SECOND
Organic alkali ingredient plays the role of breaking swelled PR chain
THIRD
It removes the broken chain by removing with the solvent with polarity
Subject Customer
We perform the sales by taking the post process company such as bump and PKG as target