Patent ID: 6012969
Filing Date: 2000-01-11
Classification: B24D,G02B

Abstract:
An abrasive member for a very high return loss optical connector ferrule, the abrasive member being used in abrading an end of an optical connector ferrule having a ferrule hole, in which an optical fiber has been inserted and secured, into a convex spherical surface, the abrasive member comprising a flexible substrate and an abrasive layer, which is formed on the surface of the flexible substrate and comprises a binder and abrasive grains, wherein the surface roughness Ra, expressed in terms of arithmetic mean deviation, of the abrasive layer falls within the range of 0.01 .mu.m to 0.05 .mu.m, and wherein the abrasive grains contained in the abrasive layer are constituted of chromium oxide grains having a mean grain diameter falling within the range of 0.1 .mu.m to 1 .mu.m.