JPH01133948A - 光学素子の製造方法 - Google Patents

光学素子の製造方法

Info

Publication number
JPH01133948A
JPH01133948A JP29140987A JP29140987A JPH01133948A JP H01133948 A JPH01133948 A JP H01133948A JP 29140987 A JP29140987 A JP 29140987A JP 29140987 A JP29140987 A JP 29140987A JP H01133948 A JPH01133948 A JP H01133948A
Authority
JP
Japan
Prior art keywords
glass
mold
cutting
fluid
molding
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
JP29140987A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0471853B2 (enrdf_load_stackoverflow
Inventor
Isamu Shigyo
勇 執行
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.)
Canon Inc
Original Assignee
Canon 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
Application filed by Canon Inc filed Critical Canon Inc
Priority to JP29140987A priority Critical patent/JPH01133948A/ja
Publication of JPH01133948A publication Critical patent/JPH01133948A/ja
Publication of JPH0471853B2 publication Critical patent/JPH0471853B2/ja
Granted legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B7/00—Distributors for the molten glass; Means for taking-off charges of molten glass; Producing the gob, e.g. controlling the gob shape, weight or delivery tact
    • C03B7/10—Cutting-off or severing the glass flow with the aid of knives or scissors or non-contacting cutting means, e.g. a gas jet; Construction of the blades used
    • 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
    • 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
    • C03B11/16—Gearing or controlling mechanisms specially adapted for glass presses
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B21/00—Severing glass sheets, tubes or rods while still plastic
    • C03B21/02—Severing glass sheets, tubes or rods while still plastic by cutting
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2215/00—Press-moulding glass
    • C03B2215/40—Product characteristics
    • C03B2215/46—Lenses, e.g. bi-convex
    • C03B2215/48—Convex-concave
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2215/00—Press-moulding glass
    • C03B2215/70—Horizontal or inclined press axis
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2215/00—Press-moulding glass
    • C03B2215/76—Pressing whereby some glass overflows unrestrained beyond the press mould in a direction perpendicular to the press axis
    • C03B2215/77—Pressing whereby some glass overflows unrestrained beyond the press mould in a direction perpendicular to the press axis with means to trim off excess material

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Container, Conveyance, Adherence, Positioning, Of Wafer (AREA)
  • Manipulator (AREA)
  • Re-Forming, After-Treatment, Cutting And Transporting Of Glass Products (AREA)
JP29140987A 1987-11-18 1987-11-18 光学素子の製造方法 Granted JPH01133948A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP29140987A JPH01133948A (ja) 1987-11-18 1987-11-18 光学素子の製造方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP29140987A JPH01133948A (ja) 1987-11-18 1987-11-18 光学素子の製造方法

Publications (2)

Publication Number Publication Date
JPH01133948A true JPH01133948A (ja) 1989-05-26
JPH0471853B2 JPH0471853B2 (enrdf_load_stackoverflow) 1992-11-16

Family

ID=17768519

Family Applications (1)

Application Number Title Priority Date Filing Date
JP29140987A Granted JPH01133948A (ja) 1987-11-18 1987-11-18 光学素子の製造方法

Country Status (1)

Country Link
JP (1) JPH01133948A (enrdf_load_stackoverflow)

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03228836A (ja) * 1990-01-31 1991-10-09 Canon Inc ガラス光学部品の製造方法
JPH03228837A (ja) * 1990-01-31 1991-10-09 Canon Inc ガラス光学部品の製造方法
US5275637A (en) * 1990-01-31 1994-01-04 Canon Kabushiki Kaisha Method of manufacturing a glass optical part
US5322541A (en) * 1991-03-28 1994-06-21 Matsushita Electric Industrial Co., Ltd. Method of producing glass blank
WO2011080912A1 (ja) * 2009-12-29 2011-07-07 Hoya株式会社 磁気ディスク用ガラス基板の製造方法および磁気ディスク用ガラス基板
WO2011080913A1 (ja) * 2009-12-29 2011-07-07 Hoya株式会社 磁気ディスク用ガラス基板の製造方法及び磁気ディスク用ガラス基板
US20130086945A1 (en) * 2011-03-31 2013-04-11 Hoya Corporation Manufacturing method of a sheet glass material for magnetic disk and manufacturing method of a glass substrate for magnetic disk
US20130316194A1 (en) * 2011-04-21 2013-11-28 Hoya Corporation Manufacturing method of glass blank for magnetic disk, manufacturing method of glass substrate for magnetic disk, glass blank for magnetic disk, glass substrate for magnetic disk, and magnetic disk
US20140065446A1 (en) * 2011-04-27 2014-03-06 Hideki Isono Method for manufacturing glass blank for magnetic disk, method for manufacturing glass substrate for magnetic disk, glass blank for magnetic disk
US20140060117A1 (en) * 2011-05-23 2014-03-06 Hoya Corporation Method for manufacturing glass substrate for magnetic disk
US8869559B2 (en) 2011-01-31 2014-10-28 Hoya Corporation Method of manufacturing a glass substrate for magnetic disk
US8973404B2 (en) 2010-03-31 2015-03-10 Hoya Corporation Manufacturing method of glass substrate for magnetic disk, manufacturing method of glass blank, glass substrate for magnetic disk, and glass blank

Cited By (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03228836A (ja) * 1990-01-31 1991-10-09 Canon Inc ガラス光学部品の製造方法
JPH03228837A (ja) * 1990-01-31 1991-10-09 Canon Inc ガラス光学部品の製造方法
US5275637A (en) * 1990-01-31 1994-01-04 Canon Kabushiki Kaisha Method of manufacturing a glass optical part
US5322541A (en) * 1991-03-28 1994-06-21 Matsushita Electric Industrial Co., Ltd. Method of producing glass blank
JP2011154772A (ja) * 2009-12-29 2011-08-11 Hoya Corp 磁気ディスク用ガラス基板の製造方法および磁気ディスク用ガラス基板
WO2011080913A1 (ja) * 2009-12-29 2011-07-07 Hoya株式会社 磁気ディスク用ガラス基板の製造方法及び磁気ディスク用ガラス基板
US8733129B2 (en) 2009-12-29 2014-05-27 Hoya Corporation Glass substrate for magnetic disk and manufacturing method thereof
JP2011154773A (ja) * 2009-12-29 2011-08-11 Hoya Corp 磁気ディスク用ガラス基板の製造方法及び磁気ディスク用ガラス基板
CN102656631A (zh) * 2009-12-29 2012-09-05 Hoya株式会社 磁盘用玻璃基板的制造方法以及磁盘用玻璃基板
US9085479B2 (en) 2009-12-29 2015-07-21 Hoya Corporation Glass substrate for magnetic disk and manufacturing method thereof
US9003834B2 (en) 2009-12-29 2015-04-14 Hoya Corporation Glass substrate for magnetic disk and manufacturing method thereof
WO2011080912A1 (ja) * 2009-12-29 2011-07-07 Hoya株式会社 磁気ディスク用ガラス基板の製造方法および磁気ディスク用ガラス基板
US8973404B2 (en) 2010-03-31 2015-03-10 Hoya Corporation Manufacturing method of glass substrate for magnetic disk, manufacturing method of glass blank, glass substrate for magnetic disk, and glass blank
US8869559B2 (en) 2011-01-31 2014-10-28 Hoya Corporation Method of manufacturing a glass substrate for magnetic disk
US8844320B2 (en) * 2011-03-31 2014-09-30 Hoya Corporation Manufacturing method of a sheet glass material for magnetic disk and manufacturing method of a glass substrate for magnetic disk
US20130086945A1 (en) * 2011-03-31 2013-04-11 Hoya Corporation Manufacturing method of a sheet glass material for magnetic disk and manufacturing method of a glass substrate for magnetic disk
CN103547539A (zh) * 2011-04-21 2014-01-29 Hoya株式会社 磁盘用玻璃坯料的制造方法及磁盘用玻璃基板的制造方法、磁盘用玻璃坯料、磁盘用玻璃基板及磁盘
US20130316194A1 (en) * 2011-04-21 2013-11-28 Hoya Corporation Manufacturing method of glass blank for magnetic disk, manufacturing method of glass substrate for magnetic disk, glass blank for magnetic disk, glass substrate for magnetic disk, and magnetic disk
US9242888B2 (en) * 2011-04-21 2016-01-26 Hoya Corporation Manufacturing method of glass blank for magnetic disk, manufacturing method of glass substrate for magnetic disk, glass blank for magnetic disk, glass substrate for magnetic disk, and magnetic disk
US20140065446A1 (en) * 2011-04-27 2014-03-06 Hideki Isono Method for manufacturing glass blank for magnetic disk, method for manufacturing glass substrate for magnetic disk, glass blank for magnetic disk
US9409809B2 (en) * 2011-04-27 2016-08-09 Hoya Corporation Method for manufacturing glass blank for magnetic disk, method for manufacturing glass substrate for magnetic disk, glass blank for magnetic disk
US20140060117A1 (en) * 2011-05-23 2014-03-06 Hoya Corporation Method for manufacturing glass substrate for magnetic disk
US9153269B2 (en) * 2011-05-23 2015-10-06 Hoya Corporation Method for manufacturing glass substrate for magnetic disk

Also Published As

Publication number Publication date
JPH0471853B2 (enrdf_load_stackoverflow) 1992-11-16

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