Inventor: Frederick P. Benning

Address: Rochester, MN
No. of patents: 4
Last patent issue date: 07/04/2006

Number	Title	Issue Date
7070703	Process for producing glass disk substrates for magnetically recordable data storage disks A polished glass disk is prepared for a magnetically recordable coating by texturing the surfaces with a highly abrasive material being abrasively engaged with the surfaces as the disk is rotated, thereby creating a relatively coarse texture with the abrasions conce...	07/04/2006
6752687	Method of polishing disks A method of preparing for a disk polishing operation includes providing a polishing machine having a first and a second superposed platen. A first polishing pad is on the first platen and a second polishing pad is on the second platen. A plurality of carriers are di...	06/22/2004
6736705	Polishing process for glass or ceramic disks used in disk drive data storage devices Disk substrates are polished in a process which uses a single load of the disks to a polishing apparatus and a single polishing slurry. Preferably, the process varies at least one polishing parameter at multiple stages to achieve both a reasonable rate of removal du...	05/18/2004
6254461	Process of dressing glass disk polishing pads using diamond-coated dressing disks A dressing disk for dressing and reconditioning the polishing pad of a planetary disk polishing machine is fabricated by plating a nickel/diamond matrix layer onto a stainless steel disk wherein the matrix layer thickness is developed or plated to a thick...	07/03/2001

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