Appeal No. 1996-1777 Page 2
Application No. 08/034,009
understanding of the invention can be derived from a reading
of exemplary claims 1 and 24, which are reproduced below.
1. A method for preparing a permanent magnet having as
principal constituents at least one rare earth metal, iron,
boron and copper, comprising:
providing a magnet alloy composition including at least
one rare earth metal, iron, boron and copper;
melting the magnet alloy composition including the rare
earth metal, iron, boron and copper,
casting the alloy composition into an ingot,
hot working the alloy ingot at a temperature of at least
about 500EC with a strain rate of from about 10 to 10 per-4 2
second.
24. The permanent magnet formed by the method of claim 1.
The prior art references of record relied upon by the
examiner in rejecting the appealed claims are:
Kobayashi et al. 5,816,761 Feb. 16, 1993
(Kobayashi)
Akioka et al. (PCT/JP) WO 88/06797 Sep. 7, 1988
(Akioka ‘797)
Akioka et al. (UK) 2 206 241 Dec. 29, 1988
(Akioka ‘241)
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