Invention Grant
- Patent Title: Surface treatment solutions for gold and gold alloys
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Application No.: US15157453Application Date: 2016-05-18
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Publication No.: US09914838B2Publication Date: 2018-03-13
- Inventor: Yoko Mizuno , Makoto Kondo , Koichi Yomogida , Toshiyuki Morinaga
- Applicant: Rohm and Haas Electronic Materials LLC
- Applicant Address: US MA Marlborough
- Assignee: Rohm and Haas Electronic Materials LLC
- Current Assignee: Rohm and Haas Electronic Materials LLC
- Current Assignee Address: US MA Marlborough
- Agent John J. Piskorski
- Priority: JP2015-131719 20150630
- Main IPC: B05D5/12
- IPC: B05D5/12 ; C09D5/08 ; H05K1/03 ; H05K3/00 ; C07D333/04 ; C25D3/38 ; C08K5/3462 ; C07D233/02 ; C25D11/24 ; C09D7/12 ; C09D179/04 ; C23C26/00 ; C25D5/48 ; H01L21/288 ; C08G73/06 ; C08G59/00 ; H05K1/00 ; C07D233/00 ; C08K5/00 ; C08K3/32 ; C25D5/12
Abstract:
A composition containing a cationic polymer obtained from a reaction product of nitrogen-containing heterocyclic compound and epihalohydrin; and a phosphorus compound. The composition can be used as a surface treatment for gold or gold alloy. The composition can seal pinholes on the surface of the gold or gold alloy.
Public/Granted literature
- US20170002211A1 SURFACE TREATMENT SOLUTIONS FOR GOLD AND GOLD ALLOYS Public/Granted day:2017-01-05
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