Appeal No. 97-1627 Page 16
Application No. 08/202,991
iron, and magnetic alloys such as permalloy. Materials for
the NM layers include copper, silver, and gold. (Spec. at 6,
12.) Different magnetic and NM materials can be used for
different layers of the sensor. (Id. at 5.) The minimum
number of layers is 3; the maximum, 400. The thickness of
each magnetic and NM layer is between 0.1 nm and 100 nm.
(Id. at 12.)
Given these ranges and the level of skill in the art, one
skilled in the art could make and use the invention. Although
some experimentation might be required to decide which
materials, numbers, and thicknesses would be optimum for a
particular application of the sensor, the disclosure indicates
that any combination within the parameters would produce a
working sensor. Thus, the experimentation would not be undue.
For the foregoing reasons, we find that the specification
would enable any person skilled in the art to which it
pertains, or with which it is most nearly connected, to make
and use the invention without undue experimentation.
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