Browse Prior Art Database

Magnetic Plating Bath

IP.com Disclosure Number: IPCOM000097323D
Original Publication Date: 1962-Oct-01
Included in the Prior Art Database: 2005-Mar-07
Document File: 1 page(s) / 11K

Publishing Venue

IBM

Related People

York, ER: AUTHOR

Abstract

This plating bath effects plating for magnetic recording. The bath is comprised essentially of salts of chlorides and sulfamates of nickel and cobalt. A typical formulation is:

This text was extracted from a PDF file.
This is the abbreviated version, containing approximately 100% of the total text.

Page 1 of 1

Magnetic Plating Bath

This plating bath effects plating for magnetic recording. The bath is comprised essentially of salts of chlorides and sulfamates of nickel and cobalt. A typical formulation is:

Cobalt Chloride (COCL(2)- 6H(2)0) - 16-35 oz./gal.

Nickel Sulfamate (Ni- NH(2)SO(3))2 - 19-40 oz./gal.

Boric Acid - 1-3 oz./gal.

Potassium Thiocyanate - 12-24 mg./gal. The temperature of the bath ranges between 60 and 75 degrees C. in which A. C. current is superimposed upon a steady D. C. current during the plating operations.

1