JP2007131497A - 光学ガラスおよびその製造方法 - Google Patents
光学ガラスおよびその製造方法 Download PDFInfo
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- JP2007131497A JP2007131497A JP2005327424A JP2005327424A JP2007131497A JP 2007131497 A JP2007131497 A JP 2007131497A JP 2005327424 A JP2005327424 A JP 2005327424A JP 2005327424 A JP2005327424 A JP 2005327424A JP 2007131497 A JP2007131497 A JP 2007131497A
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- fluoride
- optical glass
- glass
- 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.)
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- 239000005304 optical glass Substances 0.000 title claims abstract description 60
- 238000004519 manufacturing process Methods 0.000 title claims description 14
- 238000000034 method Methods 0.000 title description 2
- 229910052782 aluminium Inorganic materials 0.000 claims abstract 2
- PQXKHYXIUOZZFA-UHFFFAOYSA-M lithium fluoride Chemical compound [Li+].[F-] PQXKHYXIUOZZFA-UHFFFAOYSA-M 0.000 claims description 35
- PUZPDOWCWNUUKD-UHFFFAOYSA-M sodium fluoride Chemical compound [F-].[Na+] PUZPDOWCWNUUKD-UHFFFAOYSA-M 0.000 claims description 35
- QVQLCTNNEUAWMS-UHFFFAOYSA-N barium oxide Chemical compound [Ba]=O QVQLCTNNEUAWMS-UHFFFAOYSA-N 0.000 claims description 23
- 229910016036 BaF 2 Inorganic materials 0.000 claims description 19
- 239000011521 glass Substances 0.000 claims description 16
- 239000002994 raw material Substances 0.000 claims description 16
- 229910016569 AlF 3 Inorganic materials 0.000 claims description 15
- 229910018072 Al 2 O 3 Inorganic materials 0.000 claims description 8
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims description 6
- 230000009477 glass transition Effects 0.000 claims description 6
- OYLGJCQECKOTOL-UHFFFAOYSA-L barium fluoride Chemical compound [F-].[F-].[Ba+2] OYLGJCQECKOTOL-UHFFFAOYSA-L 0.000 claims description 5
- 229910001632 barium fluoride Inorganic materials 0.000 claims description 5
- WUKWITHWXAAZEY-UHFFFAOYSA-L calcium difluoride Chemical compound [F-].[F-].[Ca+2] WUKWITHWXAAZEY-UHFFFAOYSA-L 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 5
- ORUIBWPALBXDOA-UHFFFAOYSA-L magnesium fluoride Chemical compound [F-].[F-].[Mg+2] ORUIBWPALBXDOA-UHFFFAOYSA-L 0.000 claims description 5
- NROKBHXJSPEDAR-UHFFFAOYSA-M potassium fluoride Chemical compound [F-].[K+] NROKBHXJSPEDAR-UHFFFAOYSA-M 0.000 claims description 5
- FVRNDBHWWSPNOM-UHFFFAOYSA-L strontium fluoride Chemical compound [F-].[F-].[Sr+2] FVRNDBHWWSPNOM-UHFFFAOYSA-L 0.000 claims description 5
- 229910001637 strontium fluoride Inorganic materials 0.000 claims description 5
- KLZUFWVZNOTSEM-UHFFFAOYSA-K Aluminium flouride Chemical compound F[Al](F)F KLZUFWVZNOTSEM-UHFFFAOYSA-K 0.000 claims description 4
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims description 3
- XUCJHNOBJLKZNU-UHFFFAOYSA-M dilithium;hydroxide Chemical compound [Li+].[Li+].[OH-] XUCJHNOBJLKZNU-UHFFFAOYSA-M 0.000 claims description 3
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 3
- DHAHRLDIUIPTCJ-UHFFFAOYSA-K aluminium metaphosphate Chemical compound [Al+3].[O-]P(=O)=O.[O-]P(=O)=O.[O-]P(=O)=O DHAHRLDIUIPTCJ-UHFFFAOYSA-K 0.000 claims description 2
- XNJIKBGDNBEQME-UHFFFAOYSA-L barium(2+);dioxido(oxo)phosphanium Chemical compound [Ba+2].[O-][P+]([O-])=O.[O-][P+]([O-])=O XNJIKBGDNBEQME-UHFFFAOYSA-L 0.000 claims description 2
- XGZVUEUWXADBQD-UHFFFAOYSA-L lithium carbonate Chemical compound [Li+].[Li+].[O-]C([O-])=O XGZVUEUWXADBQD-UHFFFAOYSA-L 0.000 claims description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims 1
- 238000002844 melting Methods 0.000 abstract description 29
- 230000008018 melting Effects 0.000 abstract description 29
- 230000000052 comparative effect Effects 0.000 description 16
- 239000011698 potassium fluoride Substances 0.000 description 15
- 235000013024 sodium fluoride Nutrition 0.000 description 15
- 239000011775 sodium fluoride Substances 0.000 description 15
- 229910004261 CaF 2 Inorganic materials 0.000 description 13
- -1 SrF 2 Inorganic materials 0.000 description 12
- 229910018068 Li 2 O Inorganic materials 0.000 description 8
- 238000000465 moulding Methods 0.000 description 8
- 239000000203 mixture Substances 0.000 description 7
- 230000004075 alteration Effects 0.000 description 6
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- 238000003384 imaging method Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000002156 mixing Methods 0.000 description 4
- DWYMPOCYEZONEA-UHFFFAOYSA-L fluoridophosphate Chemical compound [O-]P([O-])(F)=O DWYMPOCYEZONEA-UHFFFAOYSA-L 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- FUJCRWPEOMXPAD-UHFFFAOYSA-N lithium oxide Chemical compound [Li+].[Li+].[O-2] FUJCRWPEOMXPAD-UHFFFAOYSA-N 0.000 description 2
- 229910001947 lithium oxide Inorganic materials 0.000 description 2
- 239000006060 molten glass Substances 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical group F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 1
- 229910000990 Ni alloy Inorganic materials 0.000 description 1
- 229910001515 alkali metal fluoride Inorganic materials 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000004031 devitrification Methods 0.000 description 1
- 229910001512 metal fluoride Inorganic materials 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- GGCZERPQGJTIQP-UHFFFAOYSA-N sodium;9,10-dioxoanthracene-2-sulfonic acid Chemical compound [Na+].C1=CC=C2C(=O)C3=CC(S(=O)(=O)O)=CC=C3C(=O)C2=C1 GGCZERPQGJTIQP-UHFFFAOYSA-N 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 229910001256 stainless steel alloy Inorganic materials 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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Abstract
【解決手段】 本発明の光学ガラスは、Al2O3の含有率が8wt%以上12wt%以下であり、BaOの含有率が0wt%以上6wt%以下であり、P2O5の含有率が35wt%以上50wt%以下であり、AlF3とBaF2とSrF2とCaF2とMgF2との合計の含有率が25wt%以上33wt%以下であり、LiFとNaFとKFとの合計の含有率が12wt%以上26wt%以下であり、Li2Oの含有率が0.3wt%以上2.0wt%以下であるように構成されたものである。これにより、より高いアッベ数を確保すると共に低融点化を図ることができる。
【選択図】なし
Description
Claims (2)
- 酸化アルミニウム(Al2O3)の含有率が8重量%以上12重量%以下であり、
酸化バリウム(BaO)の含有率が0重量%以上6重量%以下であり、
リン酸(P2O5)の含有率が35重量%以上50重量%以下であり、
フッ化アルミニウム(AlF3)とフッ化バリウム(BaF2)とフッ化ストロンチウム(SrF2)とフッ化カルシウム(CaF2)とフッ化マグネシウム(MgF2)との合計の含有率が25重量%以上33重量%以下であり、
フッ化リチウム(LiF)とフッ化ナトリウム(NaF)とフッ化カリウム(KF)との合計の含有率が12重量%以上26重量%以下であり、
酸化リチウム(Li2O)の含有率が0.3重量%以上2.0重量%以下である
ことを特徴とする光学ガラス。 - メタリン酸アルミニウム(Al(PO3)3)の含有率が45重量%以上55重量%以下であり、メタリン酸バリウム(Ba(PO3)2)の含有率が12重量%以下であり、フッ化アルミニウム(AlF3)とフッ化バリウム(BaF2)とフッ化ストロンチウム(SrF2)とフッ化カルシウム(CaF2)とフッ化マグネシウム(MgF2)との合計の含有率が25重量%以上33重量%以下であり、フッ化リチウム(LiF)とフッ化ナトリウム(NaF)とフッ化カリウム(KF)との合計の含有率が12重量%以上26重量%以下であり、炭酸リチウム(Li2CO3)の含有率が1重量%以上5重量%以下である混合原料を加熱することにより溶融したのち、ガラス転移点以下の温度となるまで冷却する
ことを特徴とする光学ガラスの製造方法。
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JP2005327424A JP4991140B2 (ja) | 2005-11-11 | 2005-11-11 | 光学ガラスおよびその製造方法 |
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Publications (2)
Publication Number | Publication Date |
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JP2007131497A true JP2007131497A (ja) | 2007-05-31 |
JP4991140B2 JP4991140B2 (ja) | 2012-08-01 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113003935A (zh) * | 2021-02-07 | 2021-06-22 | 湖北新华光信息材料有限公司 | 氟磷酸盐光学玻璃及其制备方法和光学元件 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0383834A (ja) * | 1989-08-28 | 1991-04-09 | Hoya Corp | 弗燐酸塩ガラス |
JPH05238775A (ja) * | 1992-02-24 | 1993-09-17 | Nippon Telegr & Teleph Corp <Ntt> | フツリン酸塩ガラス単一モードファイバ |
JP2007091555A (ja) * | 2005-09-30 | 2007-04-12 | Nihon Yamamura Glass Co Ltd | 近赤外線カット用フィルターガラス |
JP4362369B2 (ja) * | 2001-10-30 | 2009-11-11 | 株式会社住田光学ガラス | モールド成形用光学ガラス |
-
2005
- 2005-11-11 JP JP2005327424A patent/JP4991140B2/ja active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0383834A (ja) * | 1989-08-28 | 1991-04-09 | Hoya Corp | 弗燐酸塩ガラス |
JPH05238775A (ja) * | 1992-02-24 | 1993-09-17 | Nippon Telegr & Teleph Corp <Ntt> | フツリン酸塩ガラス単一モードファイバ |
JP4362369B2 (ja) * | 2001-10-30 | 2009-11-11 | 株式会社住田光学ガラス | モールド成形用光学ガラス |
JP2007091555A (ja) * | 2005-09-30 | 2007-04-12 | Nihon Yamamura Glass Co Ltd | 近赤外線カット用フィルターガラス |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113003935A (zh) * | 2021-02-07 | 2021-06-22 | 湖北新华光信息材料有限公司 | 氟磷酸盐光学玻璃及其制备方法和光学元件 |
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