GB8916078D0 - Optical systems - Google Patents

Optical systems

Info

Publication number
GB8916078D0
GB8916078D0 GB898916078A GB8916078A GB8916078D0 GB 8916078 D0 GB8916078 D0 GB 8916078D0 GB 898916078 A GB898916078 A GB 898916078A GB 8916078 A GB8916078 A GB 8916078A GB 8916078 D0 GB8916078 D0 GB 8916078D0
Authority
GB
United Kingdom
Prior art keywords
optical systems
optical
systems
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.)
Withdrawn
Application number
GB898916078A
Other versions
GB2233781A (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.)
Pilkington Group Ltd
Original Assignee
Pilkington PLC
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 Pilkington PLC filed Critical Pilkington PLC
Priority to GB8916078A priority Critical patent/GB2233781A/en
Publication of GB8916078D0 publication Critical patent/GB8916078D0/en
Publication of GB2233781A publication Critical patent/GB2233781A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Glass Compositions (AREA)
GB8916078A 1989-07-13 1989-07-13 Optical systems Withdrawn GB2233781A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8916078A GB2233781A (en) 1989-07-13 1989-07-13 Optical systems

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8916078A GB2233781A (en) 1989-07-13 1989-07-13 Optical systems

Publications (2)

Publication Number Publication Date
GB8916078D0 true GB8916078D0 (en) 1989-08-31
GB2233781A GB2233781A (en) 1991-01-16

Family

ID=10660009

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8916078A Withdrawn GB2233781A (en) 1989-07-13 1989-07-13 Optical systems

Country Status (1)

Country Link
GB (1) GB2233781A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19609735C2 (en) * 1996-03-13 1998-01-29 Schott Glaswerke Lead-free Kronflintgläser
DE19958522B4 (en) * 1999-12-04 2004-04-08 Schott Glas Optical glasses containing zinc
DE10309495B4 (en) * 2003-02-25 2006-02-16 Schott Ag Aluminosilicate glass and its use
DE102005005994B4 (en) 2005-02-09 2009-05-07 Schott Ag Lead- and arsenic-free optical heavy-duty glasses

Also Published As

Publication number Publication date
GB2233781A (en) 1991-01-16

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)