Abrasive member
Patent 5456734 Issued on October 10, 1995. Estimated Expiration Date: 
May 6, 2014. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
May 6, 2014. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent ReferencesInventorsApplicationNo. 239387 filed on 05/06/1994US Classes:51/295, IMPREGNATING OR COATING AN ABRASIVE TOOL360/128Head accessoryExaminersPrimary: Jones, DeborahAttorney, Agent or FirmForeign Patent References
International ClassesB24D 003/24G11B 005/41 Foreign Application Priority Data1993-05-07 JPAbstractAn abrasive tape for polishing a magnetic head includes a substrate and an abrasive layer which is formed on the substrate. The abrasive layer is composed of abrasive grains and a binder having an acidic functional group. The abrasive layer contains basic carbon black having a pH within the range of 7 to 10 and a mean grain size of 0.01 to 0.1 μm. | |
