Appeal No. 1997-3473 Application No. 08/331,684 the top paddle extends through aperture 16 (answer-top of page 4). (2) The Examiner further states: Additionally, the area between insulation (13) and (25), filled by the magnetic pole (12), as depicted in FIGS. 12 and 13, is also considered to be a cavity substantially containing a top magnetic pole piece (12) in which a height of the top magnetic pole piece (12) is “defined” by the depth of the cavity. (Answer-page 4.) And (3) where the Examiner states: Alternatively, the insulation portion (28) is considered to have a “cavity”, i.e., if the magnetic head including portions (11-16, 21,22,25,26 and 81) were removed, a cavity would exist. (Answer-page 4.) Appellants argue that Kawabe’s aperture 16 is a contact hole, and as such, does not define at least a portion of the shape of the top paddle region (brief-page 5). We agree with the Examiner that Kawabe’s contact hole 16 can be considered an aperture, and part of that aperture can be looked upon as a cavity. “However, words of ordinary usage must nonetheless be construed in the context of the patent documents. Thus the court must determine how a person of experience in the field of this invention would, upon reading the patent documents, understand the words used to define the 7Page: Previous 1 2 3 4 5 6 7 8 9 10 11 12 NextLast modified: November 3, 2007