JPH02133327A - 光学素子の製造方法 - Google Patents

光学素子の製造方法

Info

Publication number
JPH02133327A
JPH02133327A JP16061689A JP16061689A JPH02133327A JP H02133327 A JPH02133327 A JP H02133327A JP 16061689 A JP16061689 A JP 16061689A JP 16061689 A JP16061689 A JP 16061689A JP H02133327 A JPH02133327 A JP H02133327A
Authority
JP
Japan
Prior art keywords
mold
optical element
molding
upper mold
stock
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
JP16061689A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0445457B2 (enrdf_load_stackoverflow
Inventor
Fumitaka Yoshimura
文孝 吉村
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 JP16061689A priority Critical patent/JPH02133327A/ja
Publication of JPH02133327A publication Critical patent/JPH02133327A/ja
Publication of JPH0445457B2 publication Critical patent/JPH0445457B2/ja
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/32—Component parts, details or accessories; Auxiliary operations
    • B29C43/36—Moulds for making articles of definite length, i.e. discrete articles
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/32—Component parts, details or accessories; Auxiliary operations
    • B29C2043/3205—Particular pressure exerting means for making definite articles
    • B29C2043/3255—Particular pressure exerting means for making definite articles springs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/32—Component parts, details or accessories; Auxiliary operations
    • B29C43/36—Moulds for making articles of definite length, i.e. discrete articles
    • B29C43/361—Moulds for making articles of definite length, i.e. discrete articles with pressing members independently movable of the parts for opening or closing the mould, e.g. movable pistons
    • B29C2043/3615—Forming elements, e.g. mandrels or rams or stampers or pistons or plungers or punching devices
    • B29C2043/3618—Forming elements, e.g. mandrels or rams or stampers or pistons or plungers or punching devices plurality of counteracting elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2011/00—Optical elements, e.g. lenses, prisms
    • B29L2011/0016—Lenses
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2011/00—Optical elements, e.g. lenses, prisms
    • B29L2011/0016—Lenses
    • B29L2011/005—Fresnel 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
    • C03B2215/47—Bi-concave
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2215/00—Press-moulding glass
    • C03B2215/69—Controlling the pressure applied to the glass via the dies

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
JP16061689A 1989-06-26 1989-06-26 光学素子の製造方法 Granted JPH02133327A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16061689A JPH02133327A (ja) 1989-06-26 1989-06-26 光学素子の製造方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16061689A JPH02133327A (ja) 1989-06-26 1989-06-26 光学素子の製造方法

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
JP17675484A Division JPS6154912A (ja) 1984-08-27 1984-08-27 光学素子製造用型

Publications (2)

Publication Number Publication Date
JPH02133327A true JPH02133327A (ja) 1990-05-22
JPH0445457B2 JPH0445457B2 (enrdf_load_stackoverflow) 1992-07-24

Family

ID=15718785

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16061689A Granted JPH02133327A (ja) 1989-06-26 1989-06-26 光学素子の製造方法

Country Status (1)

Country Link
JP (1) JPH02133327A (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003047833A1 (fr) * 2001-12-04 2003-06-12 Riken Procede et dispositif pour la fabrication d'une grande lentille de fresnel incurvee a double face
JP2007091554A (ja) * 2005-09-29 2007-04-12 Hoya Corp モールドプレス成形型、光学素子の製造方法、及び凹メニスカスレンズ

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003047833A1 (fr) * 2001-12-04 2003-06-12 Riken Procede et dispositif pour la fabrication d'une grande lentille de fresnel incurvee a double face
US7106528B2 (en) 2001-12-04 2006-09-12 Riken Method and apparatus for manufacturing large double-sided curved Fresnel lens
JP2007091554A (ja) * 2005-09-29 2007-04-12 Hoya Corp モールドプレス成形型、光学素子の製造方法、及び凹メニスカスレンズ

Also Published As

Publication number Publication date
JPH0445457B2 (enrdf_load_stackoverflow) 1992-07-24

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Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term