Appeal No. 2003-1021 Application 09/507,507 invention is to overcome these drawbacks of the prior art devices and provide a thermally matched interface between a heat producing electronic device and a heat sink. Id., page 1, lines 6-7. DISCUSSION 1. Rejection of claim 24 under 35 U.S.C. § 112, first paragraph Claim 24 is a dependent claim which requires that the claim 1 heat sink comprise a plurality of discrete layers between the body of the heat sink and an intermediate region which is between a heat generating device and the body. In particular, claim 24 requires that each of the plurality of discrete layers has a coefficient of thermal expansion greater than the layer beneath it. Appellants maintain that the language of claim 24 complies with the requirements of 35 U.S.C. § 112, first paragraph, because this language appeared in original claim 6, now cancelled. See Appeal Brief, Paper No. 22, received September 10, 2002, page 14. Appellants note that although this language did not appear in the original specification, the specification has since been amended in a manner consistent with originally filed claim 6. Id. The examiner maintains that the 4Page: Previous 1 2 3 4 5 6 7 8 9 10 11 12 NextLast modified: November 3, 2007