Molten Salt Bath, Deposit Obtained Using The Molten Salt Bath, Method Of Manufacturing Metal Product, And Metal Product

Abstract

A molten salt bath includes at least one kind selected from the group consisting of chlorine, bromine, and iodine, zinc, at least two kinds of alkali metals; and fluorine. Here, the molten salt bath may include oxygen. Furthermore, the molten salt bath may include at least one kind selected from the group consisting of tungsten, chromium, molybdenum, tantalum, titanium, zirconium, vanadium, hafnium, and niobium. Additionally provided are a deposit obtained using the aforementioned molten salt bath, a method of manufacturing a metal product using the aforementioned molten salt bath, and a metal product.

1 . A molten salt bath including at least one kind selected from the group consisting of chlorine, bromine and iodine, zinc, at least two kinds of alkali metals, and fluorine. 
     
     
         2 . The molten salt bath according to  claim 1 , characterized by including oxygen. 
     
     
         3 . The molten salt bath according to  claim 1 , characterized by including at least one kind selected from the group consisting of tungsten, chromium, molybdenum, tantalum, titanium, zirconium, vanadium, hafnium, and niobium. 
     
     
         4 . The molten salt bath according to  claim 1 , characterized by being made of at least two kinds selected from the group consisting of sodium, potassium and cesium as said alkali metals, at least one kind of chlorine and bromine, zinc, and fluorine. 
     
     
         5 . The molten salt bath according to  claim 1 , characterized in that a content of said zinc is at least 14 atomic % and at most 30 atomic % of said molten salt bath as a whole. 
     
     
         6 . The molten salt bath according to  claim 1 , characterized in that a content of said zinc is at least 17 atomic % and at most 25 atomic % of said molten salt bath as a whole. 
     
     
         7 . The molten salt bath according to  claim 1 , characterized in that a content of said fluorine is at least 0.1 atomic % and at most 20 atomic % of said molten salt bath as a whole. 
     
     
         8 . A deposit obtained using the molten salt bath according to  claim 1 . 
     
     
         9 . The deposit according to  claim 8 , characterized in that the deposit is formed in a state in which said molten salt bath includes at least 0.01 atomic % of oxygen. 
     
     
         10 . The deposit according to  claim 8 , characterized in that arithmetic mean roughness Ra (JIS B0601-1994) of a surface of said deposit is at most 3 μm. 
     
     
         11 . The deposit according to  claim 8 , characterized in that a relative density of said deposit is at least 85%. 
     
     
         12 . A method of manufacturing a metal product comprising the steps of: forming a resist pattern on a conductive substrate to expose a part of said conductive substrate; immersing the conductive substrate having said resist pattern formed thereon in the molten salt bath according to  claim 1 ; and depositing a metal from said molten salt bath on the exposed part of said conductive substrate. 
     
     
         13 . The method of manufacturing a metal product according to  claim 12 , characterized in that a temperature of said molten salt bath is at most 250° C. 
     
     
         14 . A metal product manufactured using the method of manufacturing a metal product according to  claim 13 .