Patent ID: 6190240
Filing Date: 2001-02-20
Classification: B24B,B24D

Abstract:
A method of producing a pad conditioner for a polishing pad for semiconductor substrates for performing conditioning by bringing the conditioner into slide-contact with the polishing surface of the polishing pad, which comprises the steps of:preparing a support member having a surface opposed to said polishing pad, a joining alloy material comprising an active metal, and a powder of hard abrasive grains;forming a layer of said joining alloy material on the surface of said support member opposed to said polishing pad;putting said powder of hard abrasive grains on the surface of said joining alloy material layer so as to uniformly distribute;inserting said support member to which said joining alloy material and said powder of hard abrasive grains are applied into a vacuum heating furnace;degassing said vacuum heating furnace to vacuum;raising the furnace temperature to the range of 650.degree. C. to 1200.degree. C. and holding it for a predetermined time to cause said respective hard abrasive grains to partially enter into said joining alloy material layer in a molten state; andlowering the furnace temperature to room temperature.