GB2010523A - Production of Reflective Surfaces - Google Patents

Production of Reflective Surfaces

Info

Publication number
GB2010523A
GB2010523A GB7840283A GB7840283A GB2010523A GB 2010523 A GB2010523 A GB 2010523A GB 7840283 A GB7840283 A GB 7840283A GB 7840283 A GB7840283 A GB 7840283A GB 2010523 A GB2010523 A GB 2010523A
Authority
GB
United Kingdom
Prior art keywords
drum
locating means
flat surface
facet
cast
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Withdrawn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
GB7840283A
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.)
Crosfield Electronics Ltd
Original Assignee
Crosfield Electronics Ltd
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 Crosfield Electronics Ltd filed Critical Crosfield Electronics Ltd
Priority to GB7840283A priority Critical patent/GB2010523A/en
Publication of GB2010523A publication Critical patent/GB2010523A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/08—Mirrors
    • G02B5/09—Multifaceted or polygonal mirrors, e.g. polygonal scanning mirrors; Fresnel mirrors

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Mechanical Optical Scanning Systems (AREA)

Abstract

To ensure that the facets of a mirror drum are accurately located, each facet body is formed from a plastics resin cast against an optically flat surface and is formed with locating means accurately positioned in relation to the optically flat surface, the flat facet body surface being given a reflective coating. The assembly of the coated facet bodies on the drum is effected using the locating means formed on the facet bodies and co- operating locating means formed on a drum core or on discs defining the end of the drum. The plastics resin may be cast in a trough having the optically flat surface as a removable base or in a mould formed with an elongate channel providing an elongate open upper face over which the optically flat surface is placed. Metal reinforcing bars may be located in the cast resin body or may be bonded to the surface of the cast resin body. In Figure 5, the stems of T-section metal reinforcing bars serve as the locating means and seat in precision-cut channels in the drum core. <IMAGE>
GB7840283A 1977-10-12 1978-10-12 Production of Reflective Surfaces Withdrawn GB2010523A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB7840283A GB2010523A (en) 1977-10-12 1978-10-12 Production of Reflective Surfaces

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB4251177 1977-10-12
GB7840283A GB2010523A (en) 1977-10-12 1978-10-12 Production of Reflective Surfaces

Publications (1)

Publication Number Publication Date
GB2010523A true GB2010523A (en) 1979-06-27

Family

ID=26264922

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7840283A Withdrawn GB2010523A (en) 1977-10-12 1978-10-12 Production of Reflective Surfaces

Country Status (1)

Country Link
GB (1) GB2010523A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1168006A2 (en) * 2000-06-21 2002-01-02 Carl Zeiss Method for bonding a plurality of optical elements to a base

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1168006A2 (en) * 2000-06-21 2002-01-02 Carl Zeiss Method for bonding a plurality of optical elements to a base
EP1168006A3 (en) * 2000-06-21 2004-03-10 Carl Zeiss Method for bonding a plurality of optical elements to a base
US7034998B2 (en) 2000-06-21 2006-04-25 Carl Zeiss Smt Ag Method of connecting a multiplicity of optical elements to a basic body

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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)