TW200702154A - A plate member for optical use - Google Patents

A plate member for optical use

Info

Publication number
TW200702154A
TW200702154A TW095118115A TW95118115A TW200702154A TW 200702154 A TW200702154 A TW 200702154A TW 095118115 A TW095118115 A TW 095118115A TW 95118115 A TW95118115 A TW 95118115A TW 200702154 A TW200702154 A TW 200702154A
Authority
TW
Taiwan
Prior art keywords
plate member
optical use
gate marks
gate
thermoplastic resin
Prior art date
Application number
TW095118115A
Other languages
English (en)
Chinese (zh)
Inventor
Kazunori Ueki
Original Assignee
Zeon 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 Zeon Corp filed Critical Zeon Corp
Publication of TW200702154A publication Critical patent/TW200702154A/zh

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
    • B29D7/00—Producing flat articles, e.g. films or sheets
    • 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
    • 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
    • B29C45/0025—Preventing defects on the moulded article, e.g. weld lines, shrinkage marks
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/02—Diffusing elements; Afocal elements
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/02—Diffusing elements; Afocal elements
    • G02B5/0205—Diffusing elements; Afocal elements characterised by the diffusing properties
    • G02B5/021—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place at the element's surface, e.g. by means of surface roughening or microprismatic structures
    • G02B5/0221—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place at the element's surface, e.g. by means of surface roughening or microprismatic structures the surface having an irregular structure
    • 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
    • B29C45/0025—Preventing defects on the moulded article, e.g. weld lines, shrinkage marks
    • B29C2045/0027—Gate or gate mark locations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
    • B29K2995/0037—Other properties
    • B29K2995/0072—Roughness, e.g. anti-slip
    • 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

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Manufacturing & Machinery (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
TW095118115A 2005-05-27 2006-05-22 A plate member for optical use TW200702154A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2005155906 2005-05-27
JP2006019428A JP2007001290A (ja) 2005-05-27 2006-01-27 光学用平板部材及びその製造方法

Publications (1)

Publication Number Publication Date
TW200702154A true TW200702154A (en) 2007-01-16

Family

ID=37452140

Family Applications (1)

Application Number Title Priority Date Filing Date
TW095118115A TW200702154A (en) 2005-05-27 2006-05-22 A plate member for optical use

Country Status (4)

Country Link
JP (1) JP2007001290A (ja)
KR (1) KR20080031210A (ja)
TW (1) TW200702154A (ja)
WO (1) WO2006126731A1 (ja)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008229963A (ja) * 2007-03-19 2008-10-02 Masahiro Moriuchi 射出成形用金型
JP5805435B2 (ja) * 2011-06-09 2015-11-04 スタンレー電気株式会社 バルブゲート式金型装置
JP5792536B2 (ja) * 2011-07-15 2015-10-14 スタンレー電気株式会社 バルブゲート式金型装置
JP2013107373A (ja) 2011-11-24 2013-06-06 Sony Corp パターン転写媒体製造装置、パターン転写媒体製造方法、ディスク状パターン転写媒体、パターン転写媒体

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002303734A (ja) * 2001-04-05 2002-10-18 Sumitomo Chem Co Ltd 導光板
JP4144028B2 (ja) * 2002-09-24 2008-09-03 日本ゼオン株式会社 光拡散板の製造方法
JP2004264328A (ja) * 2003-01-22 2004-09-24 Dainippon Printing Co Ltd フレネルレンズシートおよび背面投射型スクリーン
JP2006106190A (ja) * 2004-10-01 2006-04-20 Nippon Zeon Co Ltd 光拡散板の製造方法

Also Published As

Publication number Publication date
WO2006126731A1 (ja) 2006-11-30
KR20080031210A (ko) 2008-04-08
JP2007001290A (ja) 2007-01-11

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