JPH01148717A - 光学素子の成形装置 - Google Patents

光学素子の成形装置

Info

Publication number
JPH01148717A
JPH01148717A JP30741287A JP30741287A JPH01148717A JP H01148717 A JPH01148717 A JP H01148717A JP 30741287 A JP30741287 A JP 30741287A JP 30741287 A JP30741287 A JP 30741287A JP H01148717 A JPH01148717 A JP H01148717A
Authority
JP
Japan
Prior art keywords
glass
molding
mold
cutting
temperature
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
JP30741287A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0513096B2 (enrdf_load_stackoverflow
Inventor
Isamu Shigyo
勇 執行
Takeshi Nomura
剛 野村
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 JP30741287A priority Critical patent/JPH01148717A/ja
Publication of JPH01148717A publication Critical patent/JPH01148717A/ja
Publication of JPH0513096B2 publication Critical patent/JPH0513096B2/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
    • C03B11/06—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
    • 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

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Re-Forming, After-Treatment, Cutting And Transporting Of Glass Products (AREA)
JP30741287A 1987-12-07 1987-12-07 光学素子の成形装置 Granted JPH01148717A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP30741287A JPH01148717A (ja) 1987-12-07 1987-12-07 光学素子の成形装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP30741287A JPH01148717A (ja) 1987-12-07 1987-12-07 光学素子の成形装置

Publications (2)

Publication Number Publication Date
JPH01148717A true JPH01148717A (ja) 1989-06-12
JPH0513096B2 JPH0513096B2 (enrdf_load_stackoverflow) 1993-02-19

Family

ID=17968742

Family Applications (1)

Application Number Title Priority Date Filing Date
JP30741287A Granted JPH01148717A (ja) 1987-12-07 1987-12-07 光学素子の成形装置

Country Status (1)

Country Link
JP (1) JPH01148717A (enrdf_load_stackoverflow)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5322541A (en) * 1991-03-28 1994-06-21 Matsushita Electric Industrial Co., Ltd. Method of producing glass blank
WO2012043704A1 (ja) * 2010-09-30 2012-04-05 Hoya株式会社 磁気記録媒体ガラス基板用ガラスブランク製造方法、磁気記録媒体ガラス基板製造方法、磁気記録媒体製造方法、および、磁気記録媒体ガラス基板用ガラスブランクの製造装置
JP2012079361A (ja) * 2010-09-30 2012-04-19 Hoya Corp 磁気記録媒体ガラス基板用ガラスブランク製造方法、磁気記録媒体ガラス基板製造方法、および、磁気記録媒体製造方法
CN103946166A (zh) * 2011-11-30 2014-07-23 Hoya株式会社 电子设备用盖板玻璃毛坯及其制造方法、以及电子设备用盖板玻璃及其制造方法
JP2016194970A (ja) * 2011-04-27 2016-11-17 Hoya株式会社 磁気ディスク用ガラス基板の製造方法

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102811957A (zh) * 2010-03-31 2012-12-05 Hoya株式会社 磁记录介质玻璃基板用玻璃坯料的制造方法、磁记录介质玻璃基板的制造方法以及磁记录介质的制造方法
JP5657586B2 (ja) * 2011-03-30 2015-01-21 Hoya株式会社 電子機器用カバーガラスブランクの製造方法および電子機器用カバーガラスの製造方法
MY186189A (en) * 2011-04-21 2021-06-30 Hoya Corp Method for manufacturing glass blank for magnetic disk, method for manufacturing glass substrate for magnetic disk, glass blank for magnetic disk, glass substrate for magnetic disk and magnetic disk

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5322541A (en) * 1991-03-28 1994-06-21 Matsushita Electric Industrial Co., Ltd. Method of producing glass blank
WO2012043704A1 (ja) * 2010-09-30 2012-04-05 Hoya株式会社 磁気記録媒体ガラス基板用ガラスブランク製造方法、磁気記録媒体ガラス基板製造方法、磁気記録媒体製造方法、および、磁気記録媒体ガラス基板用ガラスブランクの製造装置
JP2012079361A (ja) * 2010-09-30 2012-04-19 Hoya Corp 磁気記録媒体ガラス基板用ガラスブランク製造方法、磁気記録媒体ガラス基板製造方法、および、磁気記録媒体製造方法
JP2016194970A (ja) * 2011-04-27 2016-11-17 Hoya株式会社 磁気ディスク用ガラス基板の製造方法
CN103946166A (zh) * 2011-11-30 2014-07-23 Hoya株式会社 电子设备用盖板玻璃毛坯及其制造方法、以及电子设备用盖板玻璃及其制造方法

Also Published As

Publication number Publication date
JPH0513096B2 (enrdf_load_stackoverflow) 1993-02-19

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