Cleaning compositions for solid surfaces – auxiliary compositions – Cleaning compositions or processes of preparing – For cleaning a specific substrate or removing a specific...
Reexamination Certificate
2006-11-14
2006-11-14
Webb, Gregory (Department: 1751)
Cleaning compositions for solid surfaces, auxiliary compositions
Cleaning compositions or processes of preparing
For cleaning a specific substrate or removing a specific...
C134S001300
Reexamination Certificate
active
07135445
ABSTRACT:
A new cleaning chemistry based on bis-choline and tris-choline compounds, such as their hydroxides, is provided in order to address the removal of photoresist and flux while minimizing any etching of the substrate.
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Charm Richard William
Lee Shihying
Small Robert J.
Zhou De-Ling
EKC Technology, Inc.
Morgan & Lewis & Bockius, LLP
Webb Gregory
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