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It’s Only Common Sense: A Step-by-Step Guide to Problem-solvingRBP Releases Circutek CC-720 PTH Acid Cleaner Conditioner
August 4, 2020 | RBP Chemical TechnologyEstimated reading time: Less than a minute
RBP Chemical Technology has recently released Circutek CC-720 PTH Acid Cleaner Conditioner.
Circutek CC-720™ is an acidic cleaner/conditioner for use in the electroless copper metallization process in the PCB industry. It is formulated to remove fingerprints, light soil and other contaminants from copper foil. It also conditions non-metallic surfaces including glass fiber fabric and multiple resin systems used in the construction of high-reliability rigid, rigid-flex and flexible printed circuit boards.
The Circutek CC-720 is formulated to affect maximum adsorption of palladium tin catalyst to insure uniform deposition of the subsequent electroless copper deposit.
Positive Customer Impact
Circutek CC-720 provides the fabricator with wide process latitude with respect to enhancing the chemisorption of the palladium-tin catalyst without building up a heavy conditioning film on the interconnect and resin-glass surfaces. The Circutek CC-720 is acidic in nature and is free-rinsing. Many competitive conditioners on the market often over-condition the resin, leaving it difficult to rinse film. This excessive film causes over adsorption of the catalyst that often leads to defects such as hole-wall pullaway (HWPA) and interconnect defect (ICD)
The Circutek CC-720 is another innovation in RBP’s Circutek PTH Process Technology portfolio.
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