【発明の名称】2層ディスクのためのスタンパ

Title:

【発明の名称】2層ディスクのためのスタンパ

Document Type and Number:

Japanese Patent JPH11515130

Kind Code:

A

Abstract:

Because of peculiarities of the second layer of the DVD compact disc a Mother is used as a Stamper to replicate the proper pit structure and sequence. This has the advantages of incurring no additional cost at Mastering or Plating other than the cost of replicating additional Mothers, and of allowing the manufacturer to use either layer of data as the upper or lower DVD layer.

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Inventors:

Jenkins, Harold

Application Number:

JP51242598A

Publication Date:

December 21, 1999

Filing Date:

September 05, 1997

Export Citation:

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Assignee:

Ware Manufacturing, Incorporated

International Classes:

B29C65/48; B29D17/00; B32B7/00; G11B7/24018; G11B7/24027; G11B7/24038; G11B7/26; (IPC1-7): G11B7/26; G11B7/24

Attorney, Agent or Firm:

Nao Okuyama (3 others)

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