Disk cassette system

Abstract

A cassette system for disks to be manufactured into hard disks for computer memory storage includes a pair of end portions and a pair of side wall portions spanning between the end portions, defininga disk receiving region. The side wall portions together define a plurality of axially aligned slots for holding the disks. At least one of the end portions includes a test disk receiver, which may bea slot or pocket.

Description

[0001] related application [0002] This application claims priority to US Provisional Patent Application No. 60 / 556,848, filed March 26, 2004, entitled "Disc Carrier System," the entire contents of which are incorporated herein by reference. technical field [0003] This invention relates to disc carriers, and more particularly to cartridges for processing and packaging computer hard drive disc substrates. Background technique [0004] Substrate carriers configured for placement of multiple hard disk substrates during manufacturing and shipping are well known in the data storage device industry. Examples of such prior art are shown in US Patent Nos. 5,921,397, 5,704,494, 4,669,612, and 5,348,151, which are hereby incorporated by reference. [0005] During hard disk processing with well-known prior art carriers, typical quality control methods include designating one of these discs as a test disc for quality control monitoring and lot qualification. The test may damage or ...

AI Technical Summary

Problems solved by technology

Prior art carriers, while generally providing workable carrier positioning accuracy, still sometimes misalign, resulting in disc damage or excessive shredding in the processing environment

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