JPH0427178B2 - - Google Patents

Info

Publication number
JPH0427178B2
JPH0427178B2 JP27990685A JP27990685A JPH0427178B2 JP H0427178 B2 JPH0427178 B2 JP H0427178B2 JP 27990685 A JP27990685 A JP 27990685A JP 27990685 A JP27990685 A JP 27990685A JP H0427178 B2 JPH0427178 B2 JP H0427178B2
Authority
JP
Japan
Prior art keywords
mol
glass
sio
mgo
sum
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
JP27990685A
Other languages
English (en)
Japanese (ja)
Other versions
JPS62138342A (ja
Inventor
Yasushi Hasegawa
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.)
KAGAKU GIJUTSUCHO MUKIZAISHITSU KENKYUSHOCHO
Original Assignee
KAGAKU GIJUTSUCHO MUKIZAISHITSU KENKYUSHOCHO
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 KAGAKU GIJUTSUCHO MUKIZAISHITSU KENKYUSHOCHO filed Critical KAGAKU GIJUTSUCHO MUKIZAISHITSU KENKYUSHOCHO
Priority to JP27990685A priority Critical patent/JPS62138342A/ja
Publication of JPS62138342A publication Critical patent/JPS62138342A/ja
Publication of JPH0427178B2 publication Critical patent/JPH0427178B2/ja
Granted legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03CCHEMICAL 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
    • C03C3/00Glass compositions
    • C03C3/04Glass compositions containing silica
    • C03C3/076Glass compositions containing silica with 40% to 90% silica, by weight
    • C03C3/095Glass compositions containing silica with 40% to 90% silica, by weight containing rare earths

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)
JP27990685A 1985-12-12 1985-12-12 耐熱性光学ガラス Granted JPS62138342A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP27990685A JPS62138342A (ja) 1985-12-12 1985-12-12 耐熱性光学ガラス

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP27990685A JPS62138342A (ja) 1985-12-12 1985-12-12 耐熱性光学ガラス

Publications (2)

Publication Number Publication Date
JPS62138342A JPS62138342A (ja) 1987-06-22
JPH0427178B2 true JPH0427178B2 (enrdf_load_stackoverflow) 1992-05-11

Family

ID=17617564

Family Applications (1)

Application Number Title Priority Date Filing Date
JP27990685A Granted JPS62138342A (ja) 1985-12-12 1985-12-12 耐熱性光学ガラス

Country Status (1)

Country Link
JP (1) JPS62138342A (enrdf_load_stackoverflow)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3989988B2 (ja) * 1996-09-04 2007-10-10 Hoya株式会社 情報記録媒体用基板及び磁気ディスク、並びにその製造方法
JP5638755B2 (ja) * 2005-08-17 2014-12-10 コーニング インコーポレイテッド 高歪点ガラス
WO2013132858A1 (ja) * 2012-03-08 2013-09-12 ニチアス株式会社 生理食塩水に可溶なLa/Ce含有無機繊維及びその組成物
KR20220164859A (ko) * 2021-06-04 2022-12-14 아이원스 주식회사 내플라즈마 유리, 반도체 제조 공정을 위한 챔버 내부용 부품 및 그들의 제조 방법

Also Published As

Publication number Publication date
JPS62138342A (ja) 1987-06-22

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Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term