Diskettes having crosslinked adhesive bond to hub

Details Diskettes having crosslinked adhesive bond to hub Diskettes having crosslinked adhesive bond to hub

1992-09-21

1995-02-21

Ryan, Patrick J.

Stock material or miscellaneous articles

Circular sheet or circular blank

Recording medium or carrier

428 65, 428913, 430270, 430945, 3461351, B32B 300

Patent

active

053914147

ABSTRACT:
A magnetic recording disk that includes an annular recording medium disk bonded to a hub with a pressure sensitive adhesive. The pressure sensitive adhesive bonds the disk to a flange portion of the hub. The present invention also includes a method of bonding an annular recording medium disk to a hub, comprising the steps of: providing a crosslinkable hot-melt adhesive containing a fluorescent dye; applying a quantity of the crosslinkable adhesive to the hub at a specified application temperature; and using a light detector to measure the amount of adhesive on the hub.

REFERENCES:
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patent: 4634617 (1987-01-01), Ohta et al.
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patent: 5128386 (1992-07-01), Rehmer et al.
patent: 5141989 (1992-08-01), Jung et al.
patent: 5167996 (1992-12-01), Kurisu et al.
patent: 5315579 (1994-05-01), Hector et al.
Encyclopedia of Polymer Science and Engineering, vol. 1, A. Wiley-Interscience Publication, John Wiley & Sons, pp. 548-549.
Handbook of Adhesive Bonding, Charles V. Cagle, 1973 McGraw-Hill Company, pp. 8-1-8-10.
Fuji MF2DD and 2HD Diskette box graphics circa Apr. 1992.

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