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Classification > > g: physics >; & gtG03F & gt& gt2005 10086552.X
The patent application number is 2005 10086552. X. The filing date of this patent is September 30th, 2005.
Name: environment-friendly recycled PS ink and photoresist stripper and its preparation method (announcement)No. CN 1743965.
Date of publicity (announcement): Certification date: March 8, 2006.
Priority application (patent right) Shi Shenquan
Address 100074 Li, inventor (designer) of Preite Company in Xinzhuang Industrial Zone, Changxindian, Fengtai District, Beijing.
International publication of international applications
Patent agency Beijing Haihong Jiacheng Intellectual Property Agency Co., Ltd. Wu Xiaocan.
abstract
The invention provides a novel environment-friendly PS ink and photoresist stripper, which is characterized by being prepared from the following components in percentage by weight: 0.5-2% of organic surfactant, 0.5-2% of inorganic surfactant, 0/0-25% of organic solvent/kloc-,3- 15% of acid and water. The invention also provides a corresponding preparation method and use method.
Sovereignty terms
1. An environment-friendly PS ink and photoresist stripper, which is characterized by being made of the following components in percentage by weight: 0.5-2% of organic surfactant, 0.5-2% of inorganic surfactant, 0/0-25% of organic solvent and 3- 10 of organic solvent.