GB1173303A - Coated Optical Glass - Google Patents

Coated Optical Glass

Info

Publication number
GB1173303A
GB1173303A GB3776566A GB3776566A GB1173303A GB 1173303 A GB1173303 A GB 1173303A GB 3776566 A GB3776566 A GB 3776566A GB 3776566 A GB3776566 A GB 3776566A GB 1173303 A GB1173303 A GB 1173303A
Authority
GB
United Kingdom
Prior art keywords
black
optical glass
oil
metalac
compositions
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.)
Expired
Application number
GB3776566A
Inventor
Hirokazu Negishi
Kazuya Matsumoto
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.)
Canon Inc
Original Assignee
Canon Camera Co 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 Canon Camera Co Inc filed Critical Canon Camera Co Inc
Priority to GB3776566A priority Critical patent/GB1173303A/en
Publication of GB1173303A publication Critical patent/GB1173303A/en
Expired 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
    • G02B1/10—Optical coatings produced by application to, or surface treatment of, optical elements
    • G02B1/11—Anti-reflection coatings
    • G02B1/111—Anti-reflection coatings using layers comprising organic materials

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Inks, Pencil-Leads, Or Crayons (AREA)

Abstract

1,173,303. Coating compositions for optical glass. CANON CAMERA CO. Ltd. 20 Aug., 1968, No. 37765/66. Heading C4A. [Also in Divisions C3 and G2] Compositions for coating optical glass comprise a light-absorbent material of maximum particle size 0À16 Á, and a carrier therefor. Examples 2 and 3 contain carbon black, rosin, methyl ethyl ketone, and oil black (Example 2) or Sudan black (Example 3). Example 4 consists of oil black, Metalac M black and Metalac M black thinner. Example 5 contains black, yellow and scarlet oil-soluble dyes, carbon black, pitch, epoxy resin and toluol. Example 7 contains black and brown watersoluble dyes, gum arabic and water.
GB3776566A 1968-08-20 1968-08-20 Coated Optical Glass Expired GB1173303A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB3776566A GB1173303A (en) 1968-08-20 1968-08-20 Coated Optical Glass

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3776566A GB1173303A (en) 1968-08-20 1968-08-20 Coated Optical Glass

Publications (1)

Publication Number Publication Date
GB1173303A true GB1173303A (en) 1969-12-10

Family

ID=10398855

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3776566A Expired GB1173303A (en) 1968-08-20 1968-08-20 Coated Optical Glass

Country Status (1)

Country Link
GB (1) GB1173303A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1548469A1 (en) * 2002-10-02 2005-06-29 Bridgestone Corporation Anti-reflection film
CN100448937C (en) * 2004-11-24 2009-01-07 精碟科技股份有限公司 Production of filtering element and its coating composition

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1548469A1 (en) * 2002-10-02 2005-06-29 Bridgestone Corporation Anti-reflection film
EP1548469A4 (en) * 2002-10-02 2010-12-15 Bridgestone Corp Anti-reflection film
CN100448937C (en) * 2004-11-24 2009-01-07 精碟科技股份有限公司 Production of filtering element and its coating composition

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Legal Events

Date Code Title Description
PS Patent sealed
433D Application made for revocation (sect. 33/1949)
933J Application for revocation withdrawn (sect. 33/1949)
PE20 Patent expired after termination of 20 years