JPH0250059B2 - - Google Patents

Info

Publication number
JPH0250059B2
JPH0250059B2 JP57223506A JP22350682A JPH0250059B2 JP H0250059 B2 JPH0250059 B2 JP H0250059B2 JP 57223506 A JP57223506 A JP 57223506A JP 22350682 A JP22350682 A JP 22350682A JP H0250059 B2 JPH0250059 B2 JP H0250059B2
Authority
JP
Japan
Prior art keywords
spherical
mold
glass material
optical lens
surface roughness
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.)
Expired - Lifetime
Application number
JP57223506A
Other languages
English (en)
Japanese (ja)
Other versions
JPS59116137A (ja
Inventor
Kenzo Matsuzaka
Seitaro Okano
Nobuo Nakamura
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 JP22350682A priority Critical patent/JPS59116137A/ja
Publication of JPS59116137A publication Critical patent/JPS59116137A/ja
Publication of JPH0250059B2 publication Critical patent/JPH0250059B2/ja
Granted 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
    • C03B11/005—Pressing under special atmospheres, e.g. inert, reactive, vacuum, clean
    • 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
    • C03B11/12—Cooling, heating, or insulating the plunger, the mould, or the glass-pressing machine; cooling or heating of the glass in the mould
    • C03B11/122—Heating
    • 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
    • C03B11/12—Cooling, heating, or insulating the plunger, the mould, or the glass-pressing machine; cooling or heating of the glass in the mould
    • C03B11/125—Cooling
    • 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
    • C03B2215/03—Press-mould materials defined by material properties or parameters, e.g. relative CTE of mould parts
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2215/00—Press-moulding glass
    • C03B2215/65—Means for releasing gas trapped between glass and press die
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2215/00—Press-moulding glass
    • C03B2215/66—Means for providing special atmospheres, e.g. reduced pressure, inert gas, reducing gas, clean room
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2215/00—Press-moulding glass
    • C03B2215/68—Means for parting the die from the pressed glass other than by cooling or use of a take-out

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Surface Treatment Of Glass (AREA)
  • Glass Compositions (AREA)
  • Glass Melting And Manufacturing (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
JP22350682A 1982-12-20 1982-12-20 光学素子の製造方法 Granted JPS59116137A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP22350682A JPS59116137A (ja) 1982-12-20 1982-12-20 光学素子の製造方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP22350682A JPS59116137A (ja) 1982-12-20 1982-12-20 光学素子の製造方法

Publications (2)

Publication Number Publication Date
JPS59116137A JPS59116137A (ja) 1984-07-04
JPH0250059B2 true JPH0250059B2 (zh) 1990-11-01

Family

ID=16799208

Family Applications (1)

Application Number Title Priority Date Filing Date
JP22350682A Granted JPS59116137A (ja) 1982-12-20 1982-12-20 光学素子の製造方法

Country Status (1)

Country Link
JP (1) JPS59116137A (zh)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS609716A (ja) * 1983-06-29 1985-01-18 Canon Inc 光学素子の製造方法
JPS61146723A (ja) * 1984-12-19 1986-07-04 Matsushita Electric Ind Co Ltd 非球面レンズの成形方法
JPH0828098B2 (ja) * 1985-09-24 1996-03-21 日立マクセル株式会社 記録媒体を収納したカ−トリツジ
JPS62191128A (ja) * 1986-02-19 1987-08-21 Canon Inc 光学素子成形用型
JPH01301528A (ja) * 1988-05-30 1989-12-05 Matsushita Electric Ind Co Ltd 光学ガラス素子のプレス成形方法
US5087279A (en) * 1989-07-14 1992-02-11 Matsushita Electric Industrial Co., Ltd. Method of producing optical glass element and production apparatus using this method
JP3224472B2 (ja) * 1993-05-26 2001-10-29 キヤノン株式会社 光学レンズ及びその成形用型
JPH08169721A (ja) * 1995-08-01 1996-07-02 Canon Inc 光学素子成形用のガラス素材
JP5927637B1 (ja) * 2015-06-19 2016-06-01 Hoya株式会社 プレス成形用ガラス素材、プレス成形用ガラス素材の製造方法、及び光学素子の製造方法

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5244A (en) * 1975-06-21 1977-01-05 Nikkei Kizai Kk Blade shielding mechanism for damper, shutter and the like
JPS5884134A (ja) * 1981-10-30 1983-05-20 コ−ニング　グラス　ワ−クス 精密ガラス製品の成形方法

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5244A (en) * 1975-06-21 1977-01-05 Nikkei Kizai Kk Blade shielding mechanism for damper, shutter and the like
JPS5884134A (ja) * 1981-10-30 1983-05-20 コ−ニング　グラス　ワ−クス 精密ガラス製品の成形方法

Also Published As

Publication number Publication date
JPS59116137A (ja) 1984-07-04

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