GB0126116D0 - Optical element and its manufacture - Google Patents

Optical element and its manufacture

Info

Publication number
GB0126116D0
GB0126116D0 GBGB0126116.3A GB0126116A GB0126116D0 GB 0126116 D0 GB0126116 D0 GB 0126116D0 GB 0126116 A GB0126116 A GB 0126116A GB 0126116 D0 GB0126116 D0 GB 0126116D0
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.)
Granted
Application number
GBGB0126116.3A
Other versions
GB2365815A (en
GB2365815B (en
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
Priority claimed from JP01460499A external-priority patent/JP4099887B2/en
Application filed by Sony Corp filed Critical Sony Corp
Publication of GB0126116D0 publication Critical patent/GB0126116D0/en
Publication of GB2365815A publication Critical patent/GB2365815A/en
Application granted granted Critical
Publication of GB2365815B publication Critical patent/GB2365815B/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
    • 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
    • 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
GB0126116A 1999-01-22 2000-01-20 Manufacture of optical elements Expired - Fee Related GB2365815B (en)

Applications Claiming Priority (2)

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
GB0001320A GB2347379B (en) 1999-01-22 2000-01-20 Optical element and its manufacture

Publications (3)

Publication Number Publication Date
GB0126116D0 true GB0126116D0 (en) 2002-01-02
GB2365815A GB2365815A (en) 2002-02-27
GB2365815B GB2365815B (en) 2002-10-30

Family

ID=26243438

Family Applications (1)

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

Country Status (1)

Country Link
GB (1) GB2365815B (en)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB623588A (en) * 1945-03-06 1949-05-19 Richard Waterman Luce Manufacture of moulds for optical screens and reflecting signs
CH664030A5 (en) * 1984-07-06 1988-01-29 Landis & Gyr Ag METHOD FOR GENERATING A MACROSCOPIC SURFACE PATTERN WITH A MICROSCOPIC STRUCTURE, IN PARTICULAR A STRUCTURALLY EFFECTIVE STRUCTURE.
JP3433988B2 (en) * 1993-10-08 2003-08-04 オリンパス光学工業株式会社 Manufacturing method of mold for making reticle
JP4183101B2 (en) * 1996-03-26 2008-11-19 株式会社エンプラス Mold fine processing method, mold and molded product
JPH11114963A (en) * 1997-10-17 1999-04-27 Olympus Optical Co Ltd Mold for manufacturing relief type diffraction optical element
JP3229871B2 (en) * 1999-07-13 2001-11-19 松下電器産業株式会社 Method for transferring fine shape and method for manufacturing optical component

Also Published As

Publication number Publication date
GB2365815A (en) 2002-02-27
GB2365815B (en) 2002-10-30

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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