Optical recording medium-manufacturing apparatus

Details Optical recording medium-manufacturing apparatus Optical recording medium-manufacturing apparatus

2006-05-23

2006-05-23

Shoap, Allan N. (Department: 3724)

Cutting

Means to drive or to guide tool

With simple rectilinear reciprocating motion only

C083S051000, C083S863000, C083S956000, C264S442000, C264S155000

Reexamination Certificate

active

07047859

ABSTRACT:
An optical recording medium-manufacturing apparatus which is capable of reducing wear of a cut-forming blade section used for forming a cut in a resin layer, without increasing the component costs of the apparatus. An ultrasonic horn includes a hollow-cylindrical cut-forming blade section for being pushed into a resin layer formed on one side of a disk-shaped substrate, thereby forming a circular cut in the resin layer. A control section controls motion of the ultrasonic horn caused by a moving mechanism. The control section causes the ultrasonic horn to be pushed in to the resin layer while causing ultrasonic vibration thereof to thereby form the cut, and while maintaining a state of ultrasonic vibration of the abutment section and a pushed-in state of the cut-forming blade section, causes the punching blade section to be pushed into the disk-shaped substrate, to form the central hole.

REFERENCES:
patent: 6740181 (2004-05-01), Lim
patent: 1245109 (1961-04-01), None
patent: 58-175630 (1982-04-01), None
patent: 2003-059124 (2003-02-01), None
patent: 2004-118880 (2004-04-01), None
English Language Abstract of JP 2002-276491 which was published on Apr. 15, 2004.

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