ZA967329B - Mold for pressing and molded glass substrate for computer memory by using it - Google Patents

Mold for pressing and molded glass substrate for computer memory by using it

Info

Publication number
ZA967329B
ZA967329B ZA967329A ZA967329A ZA967329B ZA 967329 B ZA967329 B ZA 967329B ZA 967329 A ZA967329 A ZA 967329A ZA 967329 A ZA967329 A ZA 967329A ZA 967329 B ZA967329 B ZA 967329B
Authority
ZA
South Africa
Prior art keywords
mold
pressing
glass substrate
computer memory
molded glass
Prior art date
Application number
ZA967329A
Other languages
English (en)
Inventor
Yasuaki Sakamoto
Original Assignee
Yasuaki Sakamoto
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=24073252&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ZA967329(B) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Yasuaki Sakamoto filed Critical Yasuaki Sakamoto
Publication of ZA967329B publication Critical patent/ZA967329B/xx

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B11/00—Pressing molten glass or performed glass reheated to equivalent low viscosity without blowing
    • C03B11/06—Construction of plunger or mould
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B11/00—Pressing molten glass or performed glass reheated to equivalent low viscosity without blowing
    • C03B11/06—Construction of plunger or mould
    • C03B11/08—Construction of plunger or mould for making solid articles, e.g. lenses
    • C03B11/084—Construction of plunger or mould for making solid articles, e.g. lenses material composition or material properties of press dies therefor
    • C03B11/086—Construction of plunger or mould for making solid articles, e.g. lenses material composition or material properties of press dies therefor of coated dies
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B40/00—Preventing adhesion between glass and glass or between glass and the means used to shape it, hold it or support it
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
    • C23C16/02—Pretreatment of the material to be coated
    • C23C16/0254—Physical treatment to alter the texture of the surface, e.g. scratching or polishing
    • C23C16/0263—Irradiation with laser or particle beam
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
    • C23C16/02—Pretreatment of the material to be coated
    • C23C16/0272—Deposition of sub-layers, e.g. to promote the adhesion of the main coating
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/62—Record carriers characterised by the selection of the material
    • G11B5/73—Base layers, i.e. all non-magnetic layers lying under a lowermost magnetic recording layer, e.g. including any non-magnetic layer in between a first magnetic recording layer and either an underlying substrate or a soft magnetic underlayer
    • G11B5/739—Magnetic recording media substrates
    • G11B5/73911—Inorganic substrates
    • G11B5/73913—Composites or coated substrates
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/62—Record carriers characterised by the selection of the material
    • G11B5/73—Base layers, i.e. all non-magnetic layers lying under a lowermost magnetic recording layer, e.g. including any non-magnetic layer in between a first magnetic recording layer and either an underlying substrate or a soft magnetic underlayer
    • G11B5/739—Magnetic recording media substrates
    • G11B5/73911—Inorganic substrates
    • G11B5/73921—Glass or ceramic substrates
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/84—Processes or apparatus specially adapted for manufacturing record carriers
    • G11B5/8404—Processes or apparatus specially adapted for manufacturing record carriers manufacturing base layers
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2215/00—Press-moulding glass
    • C03B2215/02—Press-mould materials
    • C03B2215/08—Coated press-mould dies
    • C03B2215/14—Die top coat materials, e.g. materials for the glass-contacting layers
    • C03B2215/24—Carbon, e.g. diamond, graphite, amorphous carbon
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2215/00—Press-moulding glass
    • C03B2215/40—Product characteristics
    • C03B2215/44—Flat, parallel-faced disc or plate products
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2215/00—Press-moulding glass
    • C03B2215/40—Product characteristics
    • C03B2215/45—Ring or doughnut disc products or their preforms
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B11/00—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor
    • G11B11/10—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field
    • G11B11/105—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field using a beam of light or a magnetic field for recording by change of magnetisation and a beam of light for reproducing, i.e. magneto-optical, e.g. light-induced thermomagnetic recording, spin magnetisation recording, Kerr or Faraday effect reproducing
    • G11B11/10582—Record carriers characterised by the selection of the material or by the structure or form
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/26—Apparatus or processes specially adapted for the manufacture of record carriers

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Inorganic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Metallurgy (AREA)
  • Mechanical Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Toxicology (AREA)
  • Optics & Photonics (AREA)
  • Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Manufacturing Of Magnetic Record Carriers (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Magnetic Record Carriers (AREA)
  • Liquid Crystal (AREA)
  • Re-Forming, After-Treatment, Cutting And Transporting Of Glass Products (AREA)
  • Manufacturing Optical Record Carriers (AREA)
ZA967329A 1995-08-29 1996-08-29 Mold for pressing and molded glass substrate for computer memory by using it ZA967329B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US52058595A 1995-08-29 1995-08-29

Publications (1)

Publication Number Publication Date
ZA967329B true ZA967329B (en) 1997-03-04

Family

ID=24073252

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA967329A ZA967329B (en) 1995-08-29 1996-08-29 Mold for pressing and molded glass substrate for computer memory by using it

Country Status (13)

Country Link
JP (2) JP3275091B2 (fr)
KR (1) KR100385257B1 (fr)
CN (1) CN1102470C (fr)
AU (1) AU718549B2 (fr)
CA (1) CA2184206C (fr)
DE (1) DE19634974A1 (fr)
FR (1) FR2738236B1 (fr)
GB (1) GB2304736B (fr)
IL (1) IL119144A0 (fr)
MY (1) MY115041A (fr)
NL (1) NL1003899C2 (fr)
SG (1) SG47172A1 (fr)
ZA (1) ZA967329B (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69834385T2 (de) * 1997-07-30 2007-04-19 Hoya Corp. Verfahren zur herstellung von glassubstrat zur informationsaufzeichnung
NL1008105C2 (nl) * 1998-01-23 1999-07-26 Axxicon Moulds Eindhoven Bv Spuitgietmatrijs.
JP2002079522A (ja) * 2000-06-23 2002-03-19 Hitachi Maxell Ltd ディスク基板成形金型及び樹脂成形金型
JP4702201B2 (ja) * 2006-06-28 2011-06-15 東洋製罐株式会社 樹脂加工用部材
DE102019216893A1 (de) * 2019-10-31 2021-05-06 Flabeg Deutschland Gmbh Verfahren zur Umformung eines Flachglases in ein Glasbauteil und Umformwerkzeug zur Verwendung in dem Verfahren

Family Cites Families (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA968561A (en) * 1970-11-27 1975-06-03 Gerald E. Blair Method for molding glass lenses
DE3533856A1 (de) * 1985-09-23 1987-05-21 Wilhelm Koenig Vorrichtung zur herstellung von hartdisketten aus glas
JPS6483529A (en) * 1987-09-28 1989-03-29 Hoya Corp Production of glass forming mold
DE3800567A1 (de) * 1988-01-12 1989-07-20 Wilhelm Koenig Presswerkzeug zum pressen von hartdisketten aus glas
DE3808380A1 (de) * 1988-03-12 1989-09-21 Wilhelm Koenig Verfahren zum praegen von festprogrammen auf glasdisks und vorrichtung zur durchfuehrung des verfahrens
JPH01301864A (ja) * 1988-05-31 1989-12-06 Hoya Corp ガラス成形型の製造方法
US5202156A (en) * 1988-08-16 1993-04-13 Canon Kabushiki Kaisha Method of making an optical element mold with a hard carbon film
US5026415A (en) * 1988-08-16 1991-06-25 Canon Kabushiki Kaisha Mold with hydrogenated amorphous carbon film for molding an optical element
JPH0624991B2 (ja) * 1988-08-24 1994-04-06 松下電器産業株式会社 光学ガラス素子のプレス成形用型
US5380349A (en) * 1988-12-07 1995-01-10 Canon Kabushiki Kaisha Mold having a diamond layer, for molding optical elements
JP2572438B2 (ja) * 1989-01-30 1997-01-16 ホーヤ株式会社 ガラスプレス成形型の製造方法
JP2837700B2 (ja) * 1989-08-23 1998-12-16 ティーディーケイ株式会社 ダイヤモンド様薄膜を形成する方法
US5112025A (en) * 1990-02-22 1992-05-12 Tdk Corporation Molds having wear resistant release coatings
US5246198A (en) * 1990-06-01 1993-09-21 Canon Kabushiki Kaisha Diamond crystal coated mold for forming optical elements
GB9019219D0 (en) * 1990-09-01 1990-10-17 Atomic Energy Authority Uk Diamond-like carbon coatings
US5125945A (en) * 1991-04-09 1992-06-30 Corning Incorporated Method and apparatus for parallel alignment of opposing mold surfaces by controlling the thermal expansion of the apparatus
JP3009761B2 (ja) * 1991-07-26 2000-02-14 日本タングステン株式会社 成形用型材料
FR2682125A1 (fr) * 1991-10-07 1993-04-09 Nitruvid Procede de traitement pour deposer une couche de carbone en phase vapeur sur la surface d'une piece metallique et piece ainsi obtenue.
JP3049132B2 (ja) * 1991-10-11 2000-06-05 オリンパス光学工業株式会社 光学素子成形用型の製造方法および光学素子成形用型
US5347887A (en) * 1993-03-11 1994-09-20 Microsurgical Techniques, Inc. Composite cutting edge
JPH06320636A (ja) * 1993-05-12 1994-11-22 Canon Inc 光学素子成形用型の製造方法
JPH0790553A (ja) * 1993-09-27 1995-04-04 Shojiro Miyake 摺動部品およびその製造方法
JPH07109128A (ja) * 1993-10-12 1995-04-25 Hoya Corp ガラス成形用型およびその製造方法
US5458927A (en) * 1995-03-08 1995-10-17 General Motors Corporation Process for the formation of wear- and scuff-resistant carbon coatings
GB2300424A (en) * 1995-05-01 1996-11-06 Kobe Steel Europ Ltd Diamond growth on ion implanted surfaces

Also Published As

Publication number Publication date
CA2184206C (fr) 2002-10-08
CN1102470C (zh) 2003-03-05
DE19634974A1 (de) 1997-03-27
AU718549B2 (en) 2000-04-13
JPH09183622A (ja) 1997-07-15
GB2304736B (en) 1999-09-22
SG47172A1 (en) 1998-03-20
NL1003899C2 (nl) 1998-02-12
AU6432296A (en) 1997-03-06
JP3275091B2 (ja) 2002-04-15
GB9618034D0 (en) 1996-10-09
IL119144A0 (en) 1996-11-14
MY115041A (en) 2003-03-31
NL1003899A1 (nl) 1997-03-03
CA2184206A1 (fr) 1997-03-01
GB2304736A (en) 1997-03-26
FR2738236A1 (fr) 1997-03-07
KR970010687A (ko) 1997-03-27
JP2909724B2 (ja) 1999-06-23
FR2738236B1 (fr) 1999-03-12
JPH09194227A (ja) 1997-07-29
KR100385257B1 (ko) 2003-08-09
CN1147983A (zh) 1997-04-23

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