Apparatus for manufacture of information recording medium, information recording medium/apparatus/method

Application Number: 00108941
Application Date: 2000.05.19
Publication Number: 1274924
Publication Date: 2000.11.29
Priority Information: 1999/5/20 JP 140636/99
International: G06F12/14;G11B7/00;G11B20/12
Applicant(s) Name: Pioneer Electronic Corp.
Inventor(s) Name: Kuroda Kazuo
Patent Agency Code: 11105
Patent Agent: ma ying
Abstract On an information record medium (10, 11), record information can be recorded one time or a plurality of times by a predetermined record format. An apparatus for manufacturing the information record medium comprising area judging device (40) by using a stamper (27, 28) is provided with an embossed pit array forming device (20 to 26, 50) for forming on the stamper as an embossed pit array, pre-record data (SFi) which is a predetermined data row to disable overwriting on the record information in a pre-record area, which is set in advance in a range including an area (13c) assigned to information required to control a reproduction of the record information, which is recorded by the predetermined record format.