JPS61227939A - 特殊硼珪クラウン光学硝子 - Google Patents

特殊硼珪クラウン光学硝子

Info

Publication number
JPS61227939A
JPS61227939A JP6665885A JP6665885A JPS61227939A JP S61227939 A JPS61227939 A JP S61227939A JP 6665885 A JP6665885 A JP 6665885A JP 6665885 A JP6665885 A JP 6665885A JP S61227939 A JPS61227939 A JP S61227939A
Authority
JP
Japan
Prior art keywords
optical glass
refractive index
borosilicate crown
special
special borosilicate
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.)
Granted
Application number
JP6665885A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0425218B2 (enExample
Inventor
Eiichi Akatsu
赤津　榮一
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to JP6665885A priority Critical patent/JPS61227939A/ja
Publication of JPS61227939A publication Critical patent/JPS61227939A/ja
Publication of JPH0425218B2 publication Critical patent/JPH0425218B2/ja
Granted legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C3/00—Glass compositions
    • C03C3/04—Glass compositions containing silica
    • C03C3/076—Glass compositions containing silica with 40% to 90% silica, by weight
    • C03C3/089—Glass compositions containing silica with 40% to 90% silica, by weight containing boron

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Glass Compositions (AREA)
JP6665885A 1985-04-01 1985-04-01 特殊硼珪クラウン光学硝子 Granted JPS61227939A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6665885A JPS61227939A (ja) 1985-04-01 1985-04-01 特殊硼珪クラウン光学硝子

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6665885A JPS61227939A (ja) 1985-04-01 1985-04-01 特殊硼珪クラウン光学硝子

Publications (2)

Publication Number Publication Date
JPS61227939A true JPS61227939A (ja) 1986-10-11
JPH0425218B2 JPH0425218B2 (enExample) 1992-04-30

Family

ID=13322216

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6665885A Granted JPS61227939A (ja) 1985-04-01 1985-04-01 特殊硼珪クラウン光学硝子

Country Status (1)

Country Link
JP (1) JPS61227939A (enExample)

Also Published As

Publication number Publication date
JPH0425218B2 (enExample) 1992-04-30

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