Invention Grant
- Patent Title: Electrolyte for electrochemically polishing metallic surfaces
- Patent Title (中): 用于电化学抛光金属表面的电解液
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Application No.: US10556291Application Date: 2004-04-30
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Publication No.: US07807039B2Publication Date: 2010-10-05
- Inventor: Siegfried Piesslinger-Schweiger , Razmik Abedian , Olaf Böhme
- Applicant: Siegfried Piesslinger-Schweiger , Razmik Abedian , Olaf Böhme
- Applicant Address: DE Munich
- Assignee: Poligrat-Holding GmbH
- Current Assignee: Poligrat-Holding GmbH
- Current Assignee Address: DE Munich
- Agency: Crowell & Moring LLP
- Priority: DE10320909 20030509
- International Application: PCT/EP2004/004600 WO 20040430
- International Announcement: WO2004/100283 WO 20041118
- Main IPC: C25F3/22
- IPC: C25F3/22 ; C25F3/26
Abstract:
The present invention relates to electrolytes for electrochemically polishing workpieces consisting of titanium, titanium alloys, niobium, niobium alloys, tantalum and tantalum alloys, which electrolytes contain sulfuric acid, ammonium bifluoride and at least one hydroxycarboxylic acid, and a method for electrochemical polishing.
Public/Granted literature
- US20070029209A1 Electrolyte for electrochemically polishing metallic surfaces Public/Granted day:2007-02-08
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