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AU6432296A - Mold for pressing and molded glass substrate for computer me mory by using it - Google Patents

Mold for pressing and molded glass substrate for computer me mory by using it

Info

Publication number
AU6432296A
AU6432296A AU64322/96A AU6432296A AU6432296A AU 6432296 A AU6432296 A AU 6432296A AU 64322/96 A AU64322/96 A AU 64322/96A AU 6432296 A AU6432296 A AU 6432296A AU 6432296 A AU6432296 A AU 6432296A
Authority
AU
Australia
Prior art keywords
mory
mold
pressing
computer
glass substrate
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
AU64322/96A
Other versions
AU718549B2 (en
Inventor
Yasuaki Sakamoto
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ZAATEC TECHNOLOGY Inc
Original Assignee
Zaatec Tech Inc
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=AU6432296(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Zaatec Tech Inc filed Critical Zaatec Tech Inc
Publication of AU6432296A publication Critical patent/AU6432296A/en
Application granted granted Critical
Publication of AU718549B2 publication Critical patent/AU718549B2/en
Assigned to SAATEC ENGINEERING CORPORATION reassignment SAATEC ENGINEERING CORPORATION Alteration of Name(s) in Register under S187 Assignors: SAKAMOTO, YASUAKI
Assigned to ZAATEC TECHNOLOGY INC. reassignment ZAATEC TECHNOLOGY INC. Alteration of Name(s) in Register under S187 Assignors: SAATEC ENGINEERING CORPORATION
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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)
  • Re-Forming, After-Treatment, Cutting And Transporting Of Glass Products (AREA)
  • Manufacturing Optical Record Carriers (AREA)
  • Liquid Crystal (AREA)
AU64322/96A 1995-08-29 1996-08-28 Mold for pressing and molded glass substrate for computer me mory by using it Ceased AU718549B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US52058595A 1995-08-29 1995-08-29
US08/520585 1995-08-29

Publications (2)

Publication Number Publication Date
AU6432296A true AU6432296A (en) 1997-03-06
AU718549B2 AU718549B2 (en) 2000-04-13

Family

ID=24073252

Family Applications (1)

Application Number Title Priority Date Filing Date
AU64322/96A Ceased AU718549B2 (en) 1995-08-29 1996-08-28 Mold for pressing and molded glass substrate for computer me mory by using it

Country Status (13)

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

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6332338B1 (en) 1997-07-30 2001-12-25 Hoya Corporation Method of producing glass substrate for information recording medium
NL1008105C2 (en) * 1998-01-23 1999-07-26 Axxicon Moulds Eindhoven Bv Injection mold.
JP2002079522A (en) * 2000-06-23 2002-03-19 Hitachi Maxell Ltd Die for molding disk substrate and die for molding resin
JP4702201B2 (en) * 2006-06-28 2011-06-15 東洋製罐株式会社 Resin processing parts

Family Cites Families (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA968560A (en) * 1970-11-27 1975-06-03 Gerald E. Blair Method for molding glass lenses
DE3533856A1 (en) * 1985-09-23 1987-05-21 Wilhelm Koenig Apparatus for producing hard discs of glass
JPS6483529A (en) * 1987-09-28 1989-03-29 Hoya Corp Production of glass forming mold
DE3800567A1 (en) * 1988-01-12 1989-07-20 Wilhelm Koenig Compression mould for pressing hard glass diskettes
DE3808380A1 (en) * 1988-03-12 1989-09-21 Wilhelm Koenig Process for embossing fixed programs on glass discs and apparatus for carrying out the process
JPH01301864A (en) * 1988-05-31 1989-12-06 Hoya Corp Manufacture of glass forming die
US5026415A (en) * 1988-08-16 1991-06-25 Canon Kabushiki Kaisha Mold with hydrogenated amorphous carbon film for molding an optical element
US5202156A (en) * 1988-08-16 1993-04-13 Canon Kabushiki Kaisha Method of making an optical element mold with a hard carbon film
JPH0624991B2 (en) * 1988-08-24 1994-04-06 松下電器産業株式会社 Mold for press molding of optical glass element
US5380349A (en) * 1988-12-07 1995-01-10 Canon Kabushiki Kaisha Mold having a diamond layer, for molding optical elements
JP2572438B2 (en) * 1989-01-30 1997-01-16 ホーヤ株式会社 Manufacturing method of glass press mold
JP2837700B2 (en) * 1989-08-23 1998-12-16 ティーディーケイ株式会社 Method for forming diamond-like thin film
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 (en) * 1991-07-26 2000-02-14 日本タングステン株式会社 Mold material for molding
FR2682125A1 (en) * 1991-10-07 1993-04-09 Nitruvid PROCESSING PROCESS FOR DEPOSITING A CARBON LAYER IN A STEAM PHASE ON THE SURFACE OF A METAL PART AND A PART THUS OBTAINED.
JP3049132B2 (en) * 1991-10-11 2000-06-05 オリンパス光学工業株式会社 Manufacturing method of optical element molding die and optical element molding die
US5347887A (en) * 1993-03-11 1994-09-20 Microsurgical Techniques, Inc. Composite cutting edge
JPH06320636A (en) * 1993-05-12 1994-11-22 Canon Inc Production of mold for molding optical element
JPH0790553A (en) * 1993-09-27 1995-04-04 Shojiro Miyake Sliding member and its production
JPH07109128A (en) * 1993-10-12 1995-04-25 Hoya Corp Mold for molding glass and its production
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
KR970010687A (en) 1997-03-27
JP2909724B2 (en) 1999-06-23
IL119144A0 (en) 1996-11-14
SG47172A1 (en) 1998-03-20
JPH09194227A (en) 1997-07-29
NL1003899C2 (en) 1998-02-12
GB2304736A (en) 1997-03-26
GB2304736B (en) 1999-09-22
ZA967329B (en) 1997-03-04
NL1003899A1 (en) 1997-03-03
FR2738236A1 (en) 1997-03-07
FR2738236B1 (en) 1999-03-12
JPH09183622A (en) 1997-07-15
GB9618034D0 (en) 1996-10-09
DE19634974A1 (en) 1997-03-27
JP3275091B2 (en) 2002-04-15
CN1147983A (en) 1997-04-23
CA2184206A1 (en) 1997-03-01
CN1102470C (en) 2003-03-05
AU718549B2 (en) 2000-04-13
MY115041A (en) 2003-03-31
KR100385257B1 (en) 2003-08-09
CA2184206C (en) 2002-10-08

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Legal Events

Date Code Title Description
FGA Letters patent sealed or granted (standard patent)
PC Assignment registered

Owner name: SAATEC ENGINEERING CORPORATION

Free format text: FORMER OWNER WAS: YASUAKI SAKAMOTO

PC Assignment registered

Owner name: ZAATEC TECHNOLOGY INC.

Free format text: FORMER OWNER WAS: SAATEC ENGINEERING CORPORATION