AU4368096A - Method and apparatus for making plastic lenses having diffractive features - Google Patents

Method and apparatus for making plastic lenses having diffractive features

Info

Publication number
AU4368096A
AU4368096A AU43680/96A AU4368096A AU4368096A AU 4368096 A AU4368096 A AU 4368096A AU 43680/96 A AU43680/96 A AU 43680/96A AU 4368096 A AU4368096 A AU 4368096A AU 4368096 A AU4368096 A AU 4368096A
Authority
AU
Australia
Prior art keywords
plastic lenses
diffractive features
making plastic
making
diffractive
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.)
Abandoned
Application number
AU43680/96A
Inventor
Xiaohui Ning
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.)
Aotec Inc
Original Assignee
Aotec 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 Aotec Inc filed Critical Aotec Inc
Publication of AU4368096A publication Critical patent/AU4368096A/en
Abandoned 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
    • B29C33/00—Moulds or cores; Details thereof or accessories therefor
    • B29C33/30—Mounting, exchanging or centering
    • B29C33/303—Mounting, exchanging or centering centering mould parts or halves, e.g. during mounting
    • 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
    • B29D11/00009—Production of simple or compound 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
AU43680/96A 1994-11-28 1995-11-21 Method and apparatus for making plastic lenses having diffractive features Abandoned AU4368096A (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US416031 1989-10-02
US34552594A 1994-11-28 1994-11-28
US345525 1994-11-28
US41603195A 1995-03-31 1995-03-31
PCT/US1995/015168 WO1996016794A1 (en) 1994-11-28 1995-11-21 Method and apparatus for making plastic lenses having diffractive features

Publications (1)

Publication Number Publication Date
AU4368096A true AU4368096A (en) 1996-06-19

Family

ID=26994438

Family Applications (1)

Application Number Title Priority Date Filing Date
AU43680/96A Abandoned AU4368096A (en) 1994-11-28 1995-11-21 Method and apparatus for making plastic lenses having diffractive features

Country Status (2)

Country Link
AU (1) AU4368096A (en)
WO (1) WO1996016794A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013110702B4 (en) 2013-09-27 2019-11-14 Leonhard Kurz Stiftung & Co. Kg Method, mold insert and injection mold for producing a plastic molding

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2227966A (en) * 1938-04-21 1941-01-07 Eastman Kodak Co Injection type mold
US4793953A (en) * 1987-10-16 1988-12-27 Galic/Maus Ventures Mold for optical thermoplastic high-pressure molding
US4936666A (en) * 1989-08-08 1990-06-26 Minnesota Mining And Manufacturing Company Diffractive lens
US5349471A (en) * 1993-02-16 1994-09-20 The University Of Rochester Hybrid refractive/diffractive achromatic lens for optical data storage systems

Also Published As

Publication number Publication date
WO1996016794A1 (en) 1996-06-06

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