Research output per year
Research output per year
Mark A Poole (Inventor), Andrew Cobley (Inventor), Amrik Singh (Inventor), Deborah V Hirst (Inventor)
Research output: Patent
PROBLEM TO BE SOLVED: To provide an electroless copper plating bath which does not contain formaldehyde, is stable, deposits an acceptable level of a copper deposit and is friendly to the environment. ;SOLUTION: This electroless copper plating bath has a composition including one or more copper ion sources, one or more chelating agents selected from hydantoin and a hydantoin derivative, and one or more redox couples. The hydantoin derivative is selected from among 1-methyl hydantoin, 1,3-dimethylhydantoin and 5,5-dimethylhydantoin. ;COPYRIGHT: (C)2008,JPO&INPIT
Original language | English |
---|---|
Patent number | JP2008101268A |
IPC | H05K 3/18,C23C 18/40 |
Priority date | 7/07/06 |
Filing date | 6/07/07 |
Publication status | Published - 1 May 2008 |
Research output: Patent
Research output: Patent