METHOD OF POLISHING A SURFACE OF COPPER OR AN ALLOY COMPRISING MAINLY COPPER, MAGNETIC HEAD OBTAINABLE BY MEANS OF SAID METHOD, X-RAY RADIATION-COLLIMATING ELEMENT, BOTH HAVING A SURFACE POLISHED BY MEANS OF THE METHOD, AND POLISHING MEANS FOR USE IN THE.

摘要

the invention is a procedure and polu00edrozu00f3szert gives ru00e9zru00e9teg (5) or fu0151ku00e9ntrezet polu00edrozu00e1su00e1ra containing alloy surface, where the surface (5a) and a polu00edrozu00f3eszku00f6zt compacted to move relative to each other.there is a kolloidszuszpenziu00f3 polu00edrozu00f3u00f6sszetevu0151 apolu00edrozu00f3szer kompozu00edciu00f3ju00e1ban than that between 20 and 50 nm sio2 u00e1tlagmu00e9retu0171 szemcsu00e9kvalamilyen alku00e1lioldattal formthe product contains su00f3mentesvizet and chemical activator of hydrogen peroxide, a szervesperoxid, hypochlorite or a combination of these.the polu00edrozu00f3szerben 100tu00e9rfogategysu00e9g polishing components, 60u2013100 tu00e9rfogategysu00e9g salt-free vu00edzu00e9s 25-50 tu00e9rfogategysu00e9g chemical activator.the polishing elju00e1ru00e1shoz4u20136 n / cm2 per unit power is applied between u00f6sszenyomu00f3 egypolu00edrozu00f3szert host polu00edrozu00f3eszku00f6zzel, a40 and shore d hardness shore which falls between 90.this procedure is used in the polu00edrozhatu00f3kjelu00e1tvitelben magnetic heads, and visszaveru0151tu00fckru00f6k kollimu00e1torok ru00f6ntgensugarakhoz,where are those of a substrate (1) kialaku00edtottru00e9zru00e9teg (5) on the surface (5a) are polished. a