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GB2347379B - Optical element and its manufacture - Google Patents

Optical element and its manufacture

Info

Publication number
GB2347379B
GB2347379B GB0001320A GB0001320A GB2347379B GB 2347379 B GB2347379 B GB 2347379B GB 0001320 A GB0001320 A GB 0001320A GB 0001320 A GB0001320 A GB 0001320A GB 2347379 B GB2347379 B GB 2347379B
Authority
GB
United Kingdom
Prior art keywords
manufacture
optical element
optical
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 - Fee Related
Application number
GB0001320A
Other versions
GB0001320D0 (en
GB2347379A (en
Inventor
Yoshinari Kawashima
Nobuo Suematsu
Akira Koshimura
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.)
Sony Corp
Original Assignee
Sony Corp
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 Sony Corp filed Critical Sony Corp
Priority to GB0126116A priority Critical patent/GB2365815B/en
Publication of GB0001320D0 publication Critical patent/GB0001320D0/en
Publication of GB2347379A publication Critical patent/GB2347379A/en
Application granted granted Critical
Publication of GB2347379B publication Critical patent/GB2347379B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D11/00—Producing optical elements, e.g. lenses or prisms
    • B29D11/0074—Production of other optical elements not provided for in B29D11/00009- B29D11/0073
    • B29D11/00769—Producing diffraction gratings
    • 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
    • B29C33/00—Moulds or cores; Details thereof or accessories therefor
    • B29C33/42—Moulds or cores; Details thereof or accessories therefor characterised by the shape of the moulding surface, e.g. ribs or grooves
    • 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
    • B29C33/00—Moulds or cores; Details thereof or accessories therefor
    • B29C33/42—Moulds or cores; Details thereof or accessories therefor characterised by the shape of the moulding surface, e.g. ribs or grooves
    • B29C33/424—Moulding surfaces provided with means for marking or patterning
    • 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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/26—Moulds
    • B29C45/37—Mould cavity walls, i.e. the inner surface forming the mould cavity, e.g. linings
    • B29C45/372—Mould cavity walls, i.e. the inner surface forming the mould cavity, e.g. linings provided with means for marking or patterning, e.g. numbering articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D11/00—Producing optical elements, e.g. lenses or prisms
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/18—Diffraction gratings
    • G02B5/1847—Manufacturing methods
    • 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
    • B29C33/00—Moulds or cores; Details thereof or accessories therefor
    • B29C33/30—Mounting, exchanging or centering
    • B29C33/301—Modular mould systems [MMS], i.e. moulds built up by stacking mould elements, e.g. plates, blocks, rods
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Health & Medical Sciences (AREA)
  • Ophthalmology & Optometry (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Diffracting Gratings Or Hologram Optical Elements (AREA)
GB0001320A 1999-01-22 2000-01-20 Optical element and its manufacture Expired - Fee Related GB2347379B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB0126116A GB2365815B (en) 1999-01-22 2000-01-20 Manufacture of optical elements

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP01460499A JP4099887B2 (en) 1999-01-22 1999-01-22 Optical element manufacturing method and optical element manufacturing mold

Publications (3)

Publication Number Publication Date
GB0001320D0 GB0001320D0 (en) 2000-03-08
GB2347379A GB2347379A (en) 2000-09-06
GB2347379B true GB2347379B (en) 2002-10-30

Family

ID=11865814

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0001320A Expired - Fee Related GB2347379B (en) 1999-01-22 2000-01-20 Optical element and its manufacture

Country Status (4)

Country Link
JP (1) JP4099887B2 (en)
DE (1) DE10002589A1 (en)
GB (1) GB2347379B (en)
SG (1) SG81348A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006023401B4 (en) * 2006-05-17 2018-06-21 Huf Hülsbeck & Fürst Gmbh & Co. Kg Method and device for injection molding of a colored plastic part
CN113960744B (en) * 2021-11-05 2023-09-12 中国工程物理研究院机械制造工艺研究所 Clamp for clamping wedge-shaped mirror, wedge-shaped mirror and optical device

Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB494480A (en) * 1937-02-13 1938-10-26 Hilda Altmann Improvements in or relating to moulds for the manufacture of reflectors
GB623588A (en) * 1945-03-06 1949-05-19 Richard Waterman Luce Manufacture of moulds for optical screens and reflecting signs
GB748142A (en) * 1953-05-14 1956-04-25 Marie Florence Dyson Improvements relating to decorative treatment of transparent objects
GB851217A (en) * 1957-05-21 1960-10-12 Gen Electric Co Ltd Improvements in or relating to the manufacture of bodies, especially transparent panels, having a figured surface
GB1032049A (en) * 1962-08-22 1966-06-08 Volk David Lens generating method and apparatus
GB1339425A (en) * 1970-05-19 1973-12-05 Lucas Industries Ltd Reflector panels for road vehicles
JPS6131321A (en) * 1984-07-13 1986-02-13 Olympus Optical Co Ltd Press forming die of optical parts or the like and its production
US4761253A (en) * 1984-07-06 1988-08-02 Lgz Landis & Gyr Zug Ag Method and apparatus for producing a relief pattern with a microscopic structure, in particular having an optical diffraction effect
JPH07108536A (en) * 1993-10-08 1995-04-25 Olympus Optical Co Ltd Manufacture of mold for forming reticle
JPH08229994A (en) * 1995-02-27 1996-09-10 Teijin Ltd Stamper for optical disc and manufacture thereof
JPH09187821A (en) * 1996-01-08 1997-07-22 Canon Inc Dach prism molding die and manufacturing method thereof
JPH09254161A (en) * 1996-03-26 1997-09-30 Enplas Corp Ine processing of mold
JPH11114963A (en) * 1997-10-17 1999-04-27 Olympus Optical Co Ltd Mold for manufacturing relief type diffraction optical element
EP1068945A2 (en) * 1999-07-13 2001-01-17 Matsushita Electric Industrial Co., Ltd. Micro-shape transcription method, micro-shape transcription apparatus, and optical-component manufacture method

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1184119A (en) * 1997-09-10 1999-03-26 Ricoh Co Ltd Optical element manufacturing method and optical element

Patent Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB494480A (en) * 1937-02-13 1938-10-26 Hilda Altmann Improvements in or relating to moulds for the manufacture of reflectors
GB623588A (en) * 1945-03-06 1949-05-19 Richard Waterman Luce Manufacture of moulds for optical screens and reflecting signs
GB748142A (en) * 1953-05-14 1956-04-25 Marie Florence Dyson Improvements relating to decorative treatment of transparent objects
GB851217A (en) * 1957-05-21 1960-10-12 Gen Electric Co Ltd Improvements in or relating to the manufacture of bodies, especially transparent panels, having a figured surface
GB1032049A (en) * 1962-08-22 1966-06-08 Volk David Lens generating method and apparatus
GB1339425A (en) * 1970-05-19 1973-12-05 Lucas Industries Ltd Reflector panels for road vehicles
US4761253A (en) * 1984-07-06 1988-08-02 Lgz Landis & Gyr Zug Ag Method and apparatus for producing a relief pattern with a microscopic structure, in particular having an optical diffraction effect
JPS6131321A (en) * 1984-07-13 1986-02-13 Olympus Optical Co Ltd Press forming die of optical parts or the like and its production
JPH07108536A (en) * 1993-10-08 1995-04-25 Olympus Optical Co Ltd Manufacture of mold for forming reticle
JPH08229994A (en) * 1995-02-27 1996-09-10 Teijin Ltd Stamper for optical disc and manufacture thereof
JPH09187821A (en) * 1996-01-08 1997-07-22 Canon Inc Dach prism molding die and manufacturing method thereof
JPH09254161A (en) * 1996-03-26 1997-09-30 Enplas Corp Ine processing of mold
JPH11114963A (en) * 1997-10-17 1999-04-27 Olympus Optical Co Ltd Mold for manufacturing relief type diffraction optical element
EP1068945A2 (en) * 1999-07-13 2001-01-17 Matsushita Electric Industrial Co., Ltd. Micro-shape transcription method, micro-shape transcription apparatus, and optical-component manufacture method

Also Published As

Publication number Publication date
SG81348A1 (en) 2001-06-19
GB0001320D0 (en) 2000-03-08
JP2000210985A (en) 2000-08-02
JP4099887B2 (en) 2008-06-11
DE10002589A1 (en) 2000-08-10
GB2347379A (en) 2000-09-06

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Legal Events

Date Code Title Description
746 Register noted 'licences of right' (sect. 46/1977)

Effective date: 20091130

PCNP Patent ceased through non-payment of renewal fee

Effective date: 20140120