Positive Photomask Cleaners

PPC 1-1 and PPC 593

Transene Positive Photomask Cleaners are aqueous, water miscible cleaners for critical photomask cleaning applications. PPC 1-1 Positive Photomask Cleaner may be used on a variety of delicate mask substrates including iron oxide, chrome, or emulsion without damaging the surface. PPC 593 is a high pH (> 12) cleaner containing non-PFOS surfactant and suitable for glass, quartz, and other substrates.


Property PPC 1-1 PPC 593
Appearance Colorless liquid Colorless liquid
System Non-Toxic, Alkaline Ammonia
Viscosity (20°C) 60 cps 26° Baume
Specific Gravity 1.02 g/cc 0.89 g/cc
Shelf Life 1 year 1 year


Prior to further processing, the photomask should be submerged in Positive Photomask Cleaner.  Cleaning is enhanced by ultrasonic or megasonic agitation.  Alternatively, manual scrubbing is effective.  Care should be taken not to damage the part while scrubbing gently.