Method of manufacturing a mold for an optically readable informa

Details Method of manufacturing a mold for an optically readable informa Method of manufacturing a mold for an optically readable informa

1988-11-04

1990-03-27

Cashion, Jr., Merrell C.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156245, 156247, 1562722, 1562755, 1562757, 156344, 264 13, 264 22, 264106, 264259, B29D 1700

Patent

active

049117769

ABSTRACT:
A mold is manufactured using a substrate and hub also used in the manufacture of the disc. A structure carrier provided with a mold structure is detachably connected to a substrate, and the mold structure is then centered relative to the central recess of an auxiliary tool. A disc hub is then centered relative to the recess and fixed to the substrate and the assembly of the hub, the substrate, and the structure carrier is centered on a mold base which likewise has a central recess. The structure carrier is fixed to the base, and the substrate is detached from the structure carrier leaving the mold structure centered relative to the central recess.

REFERENCES:
patent: 3035840 (1962-05-01), Scott
patent: 4074282 (1978-02-01), Balas
patent: 4224648 (1980-09-01), Roling
patent: 4312823 (1982-01-01), Kvaakman
patent: 4363116 (1982-12-01), Kleuters
patent: 4470137 (1984-09-01), Jago
patent: 4622395 (1987-06-01), Arai
patent: 4634617 (1987-01-01), Ohta

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