TUNGSTEN REPLENISHING LIQUID FOR NICKEL-TUNGSTEN ELECTROPLATING BATH
PROBLEM TO BE SOLVED: To provide a tungsten replenishing liquid for nickel-tungsten alloy electroplating bath capable of solving the conventional problem in a method of nickel-tungsten alloy electroplating using, especially, as anode, an insoluble anode singly, or using the insoluble anode and a nic...
Gespeichert in:
Hauptverfasser: | , , , |
---|---|
Format: | Patent |
Sprache: | eng |
Schlagworte: | |
Online-Zugang: | Volltext bestellen |
Tags: |
Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
|
Zusammenfassung: | PROBLEM TO BE SOLVED: To provide a tungsten replenishing liquid for nickel-tungsten alloy electroplating bath capable of solving the conventional problem in a method of nickel-tungsten alloy electroplating using, especially, as anode, an insoluble anode singly, or using the insoluble anode and a nickel anode. SOLUTION: The tungsten replenishing liquid for nickel-tungsten electroplating bath is made of an aqueous solution containing tungsten trioxide, citric acid or ammonium salt thereof and ammonia. COPYRIGHT: (C)2011,JPO&INPIT |
---|