Appeal No. 96-3893
Application 08/063,302
Ihara et al. (Ihara) 4,985,796 Jan. 15, 1991
Sakata et al. (Sakata) 5,162,960 Nov. 10, 1992
(filed Mar. 19, 1990)
Yamada et al. (Yamada) 5,029,032 July 2, 1991
Terada 58-070418 April 26, 1983
(Japanese Application)
Claims 1, 2, 4, 7, 8, 10, 15, 17, 19, 20 and 22 stand
rejected under 35 U.S.C. § 103 over Terada in view of Ihara, with
additional reliance on Yamada for the first time in the
Supplemental Examiner's Answer (at p. 2) to explain why the
product of relative permeability and thickness would have been
selected to exceed 3000. Claims 9, 13, 14, 21, 25, and 26 stand
rejected over Terada in view of Ihara and Sakata. We reverse as
to both grounds of rejection.
DISCUSSION
Figure 1(I) of Terada shows the magnetic head structure
17 produced by the manufacturing steps depicted in Figures 1(A)
through 1(H). The magnetic head includes two half sections each
having a front or upper portion (i.e., elements 1-4) and a back
or bottom portion 9, with the gap (g) being formed between the
abutting ends of the two front portions. Each front portion
includes a laminated magnetic layer 4 sandwiched between two
layers 1 of non-magnetic material. The laminated magnetic layer
-3-
Page: Previous 1 2 3 4 5 6 7 8 9 Next
Last modified: November 3, 2007