Appeal No. 2006-1869 Application No. 10/396,814 Claim 1 is illustrative: 1. A magnetic recording medium which comprises at least a magnetic layer and a protective layer comprising a hard film containing carbon as a principal component in this order on one surface of a non-magnetic support, and comprises a back coating layer comprising a hard film containing carbon as a principal component on the other surface of said non-magnetic support, wherein a surface of said back coating layer has a three-dimension center surface roughness SRa in a range of 3 to 7 nm and a three- dimension ten-point average roughness SRz in a range of 30 to 55 nm. The prior art references relied upon by the examiner are: Matsumura et al 5,908,684 June 1, 1999 (Matsumura) Onodera et al (Onodera) 6,696,183 February 24, 2004 (Filing Date: Sept. 10, 2001) Ochi et al (Ochi) 6,723,415 April 20, 20042 (Filing Date: Dec. 28, 2000) All of the appealed claims stand rejected under 35 U.S.C. § 103(a). Matsumura has been applied by the examiner to establish obviousness with regard to claims 1, 3-5, and 7. Onodera has been applied along with Matsumura against claim 2. Ochi has been applied along with Matsumura against claim 6. 2 We note that the patent number of the Ochi reference is listed incorrectly on page 2 of the examiner’s answer. 2Page: Previous 1 2 3 4 5 6 NextLast modified: November 3, 2007