Appeal No. 2002-1061 Page 4
Application No. 09/358,365
1532, 28 USPQ2d 1955, 1956 (Fed. Cir. 1993). A prima facie case of obviousness is
established by presenting evidence that would have led one of ordinary skill in the art to
combine the relevant teachings of the references to arrive at the claimed invention.
See In re Fine, 837 F.2d 1071, 1074, 5 USPQ2d 1596, 1598 (Fed. Cir. 1988) and In re
Lintner, 458 F.2d 1013, 1016, 173 USPQ 560, 562 (CCPA 1972).
Claim 1, the only independent claim on appeal, reads as follows:
A method for producing a double-sided wiring board comprising the steps
of:
providing a conductive substrate having first and second opposing
conductive surfaces;
forming a first insulating layer on said first conductive surface of said
substrate;
forming at least one via hole in said first insulating layer on said first
conductive surface;
thermally curing said first insulating layer on said first conductive surface,
resulting in said second conductive surface having a first oxidized layer thereon;
removing said oxidized layer formed on said second conductive surface of
said conductive substrate;
forming a second insulating layer on said second conductive surface from
which said first oxidized layer is removed;
forming at least one via hole in said second insulating layer; and
forming thin conductive wiring on the surfaces of both said first and
second insulating layers, including within both of said via holes, said forming of
said thin conductive wiring on both said first and second insulating layers
involving using only a single plating process.
The Admitted Prior Art discloses a method for producing a double-sided wiring
board comprising the steps of: (1) providing a conductive substrate having first and
Page: Previous 1 2 3 4 5 6 7 8 9 10 Next
Last modified: November 3, 2007