TRANSFER METHOD FOR DISK SUBSTRATE

Title:

TRANSFER METHOD FOR DISK SUBSTRATE

Document Type and Number:

Japanese Patent JPH03225641

Kind Code:

A

Abstract:

PURPOSE: To well transfer the rugged patterns of a stamper to a UV curing resin layer by maintaining the stamper in a constant temp. state and bringing the stamper into pressurized contact with a disk substrate coated with a UV curing resin.

CONSTITUTION: The disk substrate 7 coated with the UV curing resin is disposed on the stamper 10 of a transfer device 11 in such a manner that the UV curing resin comes into tight contact with the stamper 10. The stamper 10 is held on a stamper holding part 14. This stamper holding part 14 is constituted of a magnet adapter, magnet chuck and holder. A pipe is installed to the thick plate holder of the holder and hot water is circulated. The stamper 10 is maintained in the constant temp. state in such a manner and the disk substrate 7 is pressed by a pressing device 12 to the stamper 10 device, by which the rugged patterns of the stamper 10 are well transferred.

Inventors:

ANEZAKI YOSHIKAZU
SASAKI KOJI
WATANABE HIDETOSHI
SUZUKI KOJI

Application Number:

JP1883290A

Publication Date:

October 04, 1991

Filing Date:

January 31, 1990

Export Citation:

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Assignee:

SONY CORP

International Classes:

B29C43/02; B29C43/18; B29C43/52; B29D17/00; G11B7/26; G11B11/10; G11B11/105; B29C33/04; B29C35/08; B29L17/00; (IPC1-7): B29C43/18; B29C43/52; B29L17/00; G11B7/26; G11B11/10

Domestic Patent References:

JPH01163025A	1989-06-27
JPS63160035A	1988-07-02
JPS60174619A	1985-09-07

Attorney, Agent or Firm:

Akira Koike (2 outside)

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