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Title:
【発明の名称】プレス成型用金型と、この金型で成型されたガラス原盤
Document Type and Number:
Japanese Patent JP2909724
Kind Code:
B2
Abstract:
IN ADVANCE OF CARBON COATING, BY INJECTING IONS INTO THE SHAPED SURFACE OF A METALLIC MOLD MADE OF SUPER-HARD MATERIALS, IT BECOMES POSSIBLE TO INCREASE THE ADHESIVENESS OF THE CARBON COAT ONTO THE MOLD MATERIAL, AND TO INCREASE THE LIFE OF THE MOLD. IN A METALLIC PRESSING MOLD WITH THE REQUIRED FLATNESS SECURED BY CARBON COATING ON THE SURFACES, THE SURFACE LAYER OF THE SHAPED SURFACES IS MODIFIED BY ION INJECTION IN ADVANCE OF CARBON COATING. FIG 1(A)

Inventors:
SAKAMOTO YASUAKI
Application Number:
JP24399896A
Publication Date:
June 23, 1999
Filing Date:
August 28, 1996
Export Citation:
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Assignee:
NIPPON KAIHATSU GINKO
NIPPON KOGYO GINKO KK
International Classes:
B29D17/00; C03B11/00; C03B11/06; C03B11/08; C03B40/00; C03B40/02; C23C16/02; B29C33/38; G02F1/1333; G11B5/73; G11B5/82; G11B5/84; G11B7/26; G11B11/105; (IPC1-7): C03B40/02; C03B11/00; G11B7/26
Domestic Patent References:
JP6263461A
Attorney, Agent or Firm:
Toru Seya (1 outside)