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US 2024/0309298 A1Published application
Stripper composition
AssigneesSamsung Electronics Co., Ltd., Dongwoo Fine-Chem Co., Ltd.
InventorsMinhyung CHO, Minju IM, Hyojoong YOON, Mihyun PARK, Jinhye BAE, Taekyung LEE, Sangwon BAE
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Abstract
A stripper composition may include a polar organic solvent, a pH-adjusting agent, and an ammonium salt or a diamine compound, and deionized water (DIW). In the diamine compound, a main chain between amines may have 4 or fewer carbon atoms.
Claims16
A stripper composition comprising:
- a polar organic solvent;
- a pH-adjusting agent;
- an ammonium salt, and
- deionized water (DIW).
1 more element
A stripper composition comprising:
- at least one organic solvent selected from alcohols and glycol ethers;
- a pH-adjusting agent;
- a diamine compound in which a main chain between amines has 4 or fewer carbon atoms;
- and
- deionized water (DIW).
2 more elements
Dependencies are inferred from the claim text.