Electrodeposition of nickel-iron magnetic alloy films

Claim 2

AN AQUEOUS ACIDIC BATH FOR THE ELECTRODEPOSITION OF A CRACK FREE NICKEL-IRON ALLOY CONTAINING NICKEL IONS, IRON IONS AND AN ANTIOXIDANT SELECTED FROM THE GROUP CONSISTING OF ASCORBIC ACID AND ISOACORBIC ACID IN AN AMOUNT SUFFICIENT TO PRODUCE A CRACK-FREE ELECTRODEPOSIT.

Claim 3

AN AQUEOUS ACIDIC BATH FOR THE ELECTRODEPOSITION OF A CRACKED FREE NICKEL-IRON ALLOY FILM COMPRISING: 48.00-113.00 GM/1. OF SOLUTUON OF NI++; 1.44-2.82 GM./1. SOLUTION OF FE++; 0-0.50 GM./1. OF SOLUTION OF CU++; 0-3.00 GM./1. OF SOLUTION OF CO++; 0-0.50 GM./1. OF SOLUTION OF NAH2PO2HO2O; AND 1.00-5.00 GM./1. OF SOLUTION OF AN ANTIOXIDANT SELECTED FROM THE GROUP CONSISTING OF ASCORBIC ACID AND ISOASCORBIC ACID.

Claim 4

AN AQUEOUS ACIDIC BATH FOR THE ELECTRODEPOSITION OF A CRACKED FREE NICKEL-IRON ALLOY FILM COMPRISING: 48.00-113.00 GM/1. OF SOLUTUON OF NI++; 1.44-2.82 GM./1. SOLUTION OF FE++; 0-0.50 GM./1. OF SOLUTION OF CU++; 0-3.00 GM./1. OF SOLUTION OF CO++; 0-0.50 GM./1. OF SOLUTION OF NAH2PO2HO2O; AND 1.00-5.00 GM./1. OF SOLUTION OF AN ANTIOXIDANT SELECTED FROM THE GROUP CONSISTING OF ASCORBIC ACID AND ISOASCORBIC ACID.

Claim 5

THE PROCESS OF PREPARING A CONTINUOUS SELF-SUPPORTING NICKEL-IRON ALLOY FILM COMPRISING THE STEPS OF: (A) PROVIDING A CLEAN, CONDUCTING STRIPPABLE SUBSTRATE SURFACE; (B) SUBJECTING SAID SUBSTRATE SURFACE TO ELECTRLYTIC ACTION AS THE CATHODE IN AN AQUEOUS ACIDIC ELECTROLYTE COMPRISING: 48.00-113.00 GM./1. OF SOLUTION OF NI++; 1.44-2.82 GM./1. OF SOLUTION OF FE++; 0-0.50 GM./1. OF SOLUTION OF CU++; 0-3.00 GM./1. OF SOLUTION OF CO++; 0-0.50 GM./1. OF SOLUTION OF NAH2PO2H2O; AND 1.00-5.00 GM./1. OF SOLUTION OF AN ANTIONIDANT SELECTED FROM THE GROUP CONSISTING OF ASCORBIC ACID AND ISOACORBIC ACID TO ELECTODEPOSIT A CONTINUOUS SELF-SUPPORTING NICKEL-IRON ALLOY FILM; (C) RINSING AND DRYING SAID PLATED ALLOY FILM; AND (D) STRIPPINGS SAID CONTINUOUS AND SELF-SUPPORTING ALLOY FILM FROM SAID SUBSTRATE.

Claim 6

THE PROCESS OF PREPARING A CONTINUOUS SELF-SUPPORTING NICKEL-IRON ALLOY FILM COMPRISING THE STEPS OF: (A) PROVIDING A CLEAN, CONDUCTING STRIPPABLE SUBSTRATE SURFACE; (B) SUBJECTING SAID SUBSTRATE SURFACE TO ELECTRLYTIC ACTION AS THE CATHODE IN AN AQUEOUS ACIDIC ELECTROLYTE COMPRISING: 48.00-113.00 GM./1. OF SOLUTION OF NI++; 1.44-2.82 GM./1. OF SOLUTION OF FE++; 0-0.50 GM./1. OF SOLUTION OF CU++; 0-3.00 GM./1. OF SOLUTION OF CO++; 0-0.50 GM./1. OF SOLUTION OF NAH2PO2H2O; AND 1.00-5.00 GM./1. OF SOLUTION OF AN ANTIONIDANT SELECTED FROM THE GROUP CONSISTING OF ASCORBIC ACID AND ISOACORBIC ACID TO ELECTODEPOSIT A CONTINUOUS SELF-SUPPORTING NICKEL-IRON ALLOY FILM; (C) RINSING AND DRYING SAID PLATED ALLOY FILM; AND (D) STRIPPINGS SAID CONTINUOUS AND SELF-SUPPORTING ALLOY FILM FROM SAID SUBSTRATE.