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- Glass_code abstract "A glass code is a method of classifying glasses for optical use, such as the manufacture of lenses and prisms. There are many different types of glass with different compositions and optical properties, and a glass code is used to distinguish between them.There are several different glass classification schemes in use, most based on the catalogue systems used by glass manufacturers such as Pilkington and Schott Glass. These tend to be based on the material composition, for example BK7 is the Schott Glass classification of a common borosilicate crown glass.The international glass code is based on U.S. military standard MIL-G-174, and is a six-digit number specifying the glass according to its refractive index nd at the Fraunhofer d- (or D3-) line, and its Abbe number Vd also taken at that line.The resulting glass code is the value of nd-1 rounded to three digits, followed by Vd rounded to three digits, with all decimal points ignored. For example, BK7 has nd = 1.5168 and Vd = 64.17, giving a six-digit glass code of 517642.The following table shows some example glasses and their glass code. Note that the glass properties can vary slightly between different manufacturer types.".
- Glass_code wikiPageID "3214622".
- Glass_code wikiPageLength "2530".
- Glass_code wikiPageOutDegree "19".
- Glass_code wikiPageRevisionID "629911322".
- Glass_code wikiPageWikiLink Abbe_number.
- Glass_code wikiPageWikiLink Barium_crown.
- Glass_code wikiPageWikiLink Borosilicate_glass.
- Glass_code wikiPageWikiLink Category:Glass_engineering_and_science.
- Glass_code wikiPageWikiLink Category:Optical_materials.
- Glass_code wikiPageWikiLink Crown_glass_(optics).
- Glass_code wikiPageWikiLink Dense_crown.
- Glass_code wikiPageWikiLink Dense_flint.
- Glass_code wikiPageWikiLink Fraunhofer_lines.
- Glass_code wikiPageWikiLink Glass.
- Glass_code wikiPageWikiLink Lanthanum_flint.
- Glass_code wikiPageWikiLink Lens_(optics).
- Glass_code wikiPageWikiLink Optics.
- Glass_code wikiPageWikiLink Pilkington.
- Glass_code wikiPageWikiLink Prism.
- Glass_code wikiPageWikiLink Refractive_index.
- Glass_code wikiPageWikiLink Schott_AG.
- Glass_code wikiPageWikiLink United_States_Military_Standard.
- Glass_code wikiPageWikiLinkText "Glass code".
- Glass_code wikiPageWikiLinkText "glass code".
- Glass_code subject Category:Glass_engineering_and_science.
- Glass_code subject Category:Optical_materials.
- Glass_code hypernym Method.
- Glass_code type Software.
- Glass_code type Discipline.
- Glass_code type Redirect.
- Glass_code comment "A glass code is a method of classifying glasses for optical use, such as the manufacture of lenses and prisms. There are many different types of glass with different compositions and optical properties, and a glass code is used to distinguish between them.There are several different glass classification schemes in use, most based on the catalogue systems used by glass manufacturers such as Pilkington and Schott Glass.".
- Glass_code label "Glass code".
- Glass_code sameAs Q5567099.
- Glass_code sameAs Clasificación_del_vidrio.
- Glass_code sameAs Classification_des_verres.
- Glass_code sameAs m.08ztgf.
- Glass_code sameAs Q5567099.
- Glass_code wasDerivedFrom Glass_code?oldid=629911322.
- Glass_code isPrimaryTopicOf Glass_code.