Lapping tape

Details Lapping tape Lapping tape

1998-04-23

2000-07-04

Raimund, Christopher

Stock material or miscellaneous articles

Structurally defined web or sheet

Continuous and nonuniform or irregular surface on layer or...

428143, 428149, 428144, B32B 300

Patent

active

060836067

ABSTRACT:
Described is a lapping tape having, on a flexible substrate, a lapping layer comprising inorganic powders and a binder as main components. The binder contained in the lapping layer comprises:
1) a phenoxy resin; and
2) a polyester polyurethane resin having a number-average molecular weight Mn not less than 20000 but not greater than 100000. Accordingly, the lapping tape so obtained exhibits excellent advantages that the generation of lapping scratches on the surface to be lapped can be prevented to the utmost, the peeling of the lapping layer from the lapping tape can be suppressed and the lapping tape has excellent lapping ability.

REFERENCES:
patent: 5271964 (1993-12-01), Ohishi

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