Appeal No. 95-3849
Application 08/029,549
of 0.2 µm to 3.0 µm and even if the 10 µm (0.010 mm) roughness
was the pitch x, it does not fall within the claimed range of
0.050 mm # x # (329*) mm. Therefore, Tollefson does not0.25
teach crests having a pitch or height as claimed.
The examiner finds that "Kuroda discloses a magnetic head
drum apparatus having a guide member 1 in which the height of
the crest is 3.0 µm (see column 3, lines 47 to 49)" (EA4). We
agree. Claim 1 is broadly drafted and does not require the
crests to be formed by the height of material between grooves;
thus, the crests may be formed by individual particles such as
Kuroda. Claim 1 does not specify grooves or any shape to the
roughness, such as the sinusoidal-shaped surface in
appellants' figure 1. Nor does claim 1 specify that the crest
height or pitch are uniform. Furthermore, none of the claims
recited any orientation for the crests compared to the
direction of tape movement: claim 6 recites "substantially
parallel grooves," but the grooves could be circumferential or
longitudinal on the cylindrical guide member. Kuroda,
however, does not disclose the distance between the silicon
particles corresponding to the pitch.
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