Interference correction of additives concentration...

Details Interference correction of additives concentration... Interference correction of additives concentration...

2005-08-30

2005-08-30

Olsen, Kaj K. (Department: 1753)

Electrolysis: processes, compositions used therein, and methods

Electrolytic analysis or testing

C205S081000, C205S787000, C204S434000

Reexamination Certificate

active

06936157

ABSTRACT:
The present invention relates to a method and apparatus for determining concentrations of various organic additives in metal electroplating solutions, by utilizing a mathematical correction model in combination with the conventional PCGA chrono-potentiometric analysis method, to eliminate the interaction between the observed electrochemical behavior of various organic additives, and to achieve accurate concentration determination of such additives.

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patent: 5223118 (1993-06-01), Sonnenberg et al.
patent: 6280602 (2001-08-01), Robertson
patent: 6572753 (2003-06-01), Chalyt et al.
patent: 6808611 (2004-10-01), Sun et al.
patent: 19911447 (2000-12-01), None
patent: WO 01/29548 (2001-04-01), None
Derwent Abstract of DE 19911447 A , Schmacher, et al., Dec. 7, 2000.
JPO Computer Translation of JP 2001-073183, Yasushi, et al, Mar. 21, 2001.

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