JPS6363500B2 - - Google Patents
Info
- Publication number
- JPS6363500B2 JPS6363500B2 JP59080389A JP8038984A JPS6363500B2 JP S6363500 B2 JPS6363500 B2 JP S6363500B2 JP 59080389 A JP59080389 A JP 59080389A JP 8038984 A JP8038984 A JP 8038984A JP S6363500 B2 JPS6363500 B2 JP S6363500B2
- Authority
- JP
- Japan
- Prior art keywords
- mol
- glass
- cdf
- lif
- pbf
- 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
Links
- 239000011521 glass Substances 0.000 claims abstract description 73
- 239000000203 mixture Substances 0.000 claims abstract description 58
- 238000007496 glass forming Methods 0.000 claims abstract description 9
- KLZUFWVZNOTSEM-UHFFFAOYSA-K Aluminium flouride Chemical compound F[Al](F)F KLZUFWVZNOTSEM-UHFFFAOYSA-K 0.000 claims description 28
- 229910004573 CdF 2 Inorganic materials 0.000 claims description 21
- LVEULQCPJDDSLD-UHFFFAOYSA-L cadmium fluoride Chemical compound F[Cd]F LVEULQCPJDDSLD-UHFFFAOYSA-L 0.000 claims description 17
- 229910016569 AlF 3 Inorganic materials 0.000 claims description 15
- FPHIOHCCQGUGKU-UHFFFAOYSA-L difluorolead Chemical compound F[Pb]F FPHIOHCCQGUGKU-UHFFFAOYSA-L 0.000 claims description 11
- 229910016036 BaF 2 Inorganic materials 0.000 claims description 8
- 229910004261 CaF 2 Inorganic materials 0.000 claims description 7
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 claims description 7
- 238000002425 crystallisation Methods 0.000 claims description 6
- 230000008025 crystallization Effects 0.000 claims description 6
- 230000009477 glass transition Effects 0.000 claims description 6
- -1 SrF 2 Inorganic materials 0.000 claims description 3
- 239000000470 constituent Substances 0.000 abstract 1
- 230000001747 exhibiting effect Effects 0.000 abstract 1
- 150000004820 halides Chemical class 0.000 abstract 1
- 239000000654 additive Substances 0.000 description 8
- 238000010586 diagram Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 6
- 239000006121 base glass Substances 0.000 description 5
- 239000005283 halide glass Substances 0.000 description 5
- 238000000465 moulding Methods 0.000 description 5
- 239000005383 fluoride glass Substances 0.000 description 4
- 150000002222 fluorine compounds Chemical class 0.000 description 4
- 230000003287 optical effect Effects 0.000 description 4
- 238000005191 phase separation Methods 0.000 description 4
- 238000010791 quenching Methods 0.000 description 4
- 230000000171 quenching effect Effects 0.000 description 4
- 230000005855 radiation Effects 0.000 description 4
- 244000309464 bull Species 0.000 description 3
- 238000004031 devitrification Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 229910001512 metal fluoride Inorganic materials 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 229910004366 ThF4 Inorganic materials 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 229910001632 barium fluoride Inorganic materials 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000005229 chemical vapour deposition Methods 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229910052735 hafnium Inorganic materials 0.000 description 2
- PQXKHYXIUOZZFA-UHFFFAOYSA-M lithium fluoride Inorganic materials [Li+].[F-] PQXKHYXIUOZZFA-UHFFFAOYSA-M 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 230000000087 stabilizing effect Effects 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 229910052726 zirconium Inorganic materials 0.000 description 2
- 229910005269 GaF 3 Inorganic materials 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- 229910017768 LaF 3 Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 229910009520 YbF3 Inorganic materials 0.000 description 1
- BHHYHSUAOQUXJK-UHFFFAOYSA-L Zinc fluoride Inorganic materials F[Zn]F BHHYHSUAOQUXJK-UHFFFAOYSA-L 0.000 description 1
- 229910007998 ZrF4 Inorganic materials 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 229910052793 cadmium Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000001010 compromised effect Effects 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 238000004320 controlled atmosphere Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000006219 crystal-free glass Substances 0.000 description 1
- 238000001938 differential scanning calorimetry curve Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000003607 modifier Substances 0.000 description 1
- 239000006060 molten glass Substances 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 150000002902 organometallic compounds Chemical class 0.000 description 1
- 150000002926 oxygen Chemical class 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
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
- C03C3/32—Non-oxide glass compositions, e.g. binary or ternary halides, sulfides or nitrides of germanium, selenium or tellurium
- C03C3/325—Fluoride glasses
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S501/00—Compositions: ceramic
- Y10S501/90—Optical glass, e.g. silent on refractive index and/or ABBE number
- Y10S501/904—Infrared transmitting or absorbing
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S65/00—Glass manufacturing
- Y10S65/15—Nonoxygen containing chalogenides
- Y10S65/16—Optical filament or fiber treatment with fluorine or incorporating fluorine in final product
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)
Description
ãçºæã®è©³çŽ°ãªèª¬æã
æ¬çºæã¯ã¬ã©ã¹è£œé æè¡ã«ä¿ãããç¹ã«ããã²
ã³åç©ã¬ã©ã¹ãšç§°ãããç¡é žåç©ã¬ã©ã¹ã®è£œé æ
è¡ã«é¢ãããããã«è©³çŽ°ã«äºãã°ãæ¬çºæã¯ãèµ€
å€ç·ééæ§ã¬ã©ã¹äŸãã°ã¬ã©ã¹å å°æ³¢è·¯ã®ãããª
ã¬ã©ã¹è£œåã圢æããããã®æ°èŠãªéå±åŒåç©ã¬
ã©ã¹ã®çµæã«é¢ããã åŸæ¥ããããç¥ãããŠããããã²ã³åç©ã¬ã©ã¹
ç³»ã®äžã«ãBeF2ãããŒã¹ãšããçµæç©ãããã
ããããªãããã®ã¬ã©ã¹çµæç©ã¯ãæ¯èŒçåäœã¬
ã³ãžãçãããã€å€±éããåŸåããããããã«å
ããŠãBeF2ã¯åžæ¹¿æ§ã§ãã€ããããŠææ¯ã§ããã è¿å¹Žçš®ã ã®åŒåç©ã¬ã©ã¹ã®çµæãææ¡ãããŠã
ããç±³åœç¹èš±ç¬¬4141741å·å ¬å ±ã«ã¯ãZrF4ãããŒ
ã¹ãšããçµæç©ã®äžæãZrF4âBaF2âThF4çµæ
ç³»ãšããŠèšèŒãããŠããããã®çµæç©ã¯ãæ³¢é·çŽ
ïŒãã¯ãã³ã®èµ€å€ç·ã«å¯Ÿãééæ§ãæãããã€é
åžæ¹¿æ§ã§ãããç±³åœç¹èš±ç¬¬4308066å·å ¬å ±ã«ã¯ã
20ã80ã¢ã«ïŒ ã®CaF2ãSrF2ãBaF2ããã³ïŒãŸã
ã¯PbF2ãå«ãZrF4ããã³ïŒãŸãã¯AlF3ãããŒã¹
ãšããæ¥å·ã«ããã¬ã©ã¹ã圢æããåŒåç©çµæç©
ã®äžæãèšèŒãããŠããã MatïŒResïŒBullïŒã17ã1035ã1043é ïŒ1982
幎ïŒã«ã¯ãšã ã»ããããïŒM.MateckiïŒä»ã«ã
ããLaF3ãYF3ãCdF3ãLuF3ãScF3ãããªã矀
ã®äžããéžã°ãã調ç¯å€ãšããŠã®åŒåç©ãå«ã
ThF4âZrF4çµæç©ã®ã·ãªãŒãºãèšèŒãããŠã
ãããããã®ã¬ã©ã¹çµæç©ã¯æ¯èŒçå®å®ã§ãã¬ã©
ã¹è»¢ç§»æž©åºŠã¯460ã515âã®ç¯å²ã«ãããæåã«ã
ã€ãŠè£œäœã§ããæ³¢é·çŽïŒãã¯ãã³ã®èµ€å€ç·ã«å¯Ÿã
ãŠééæ§ãæããã ZrF4以å€ã®åŒåç©ãããŒã¹ãšããã¬ã©ã¹ãåŸ
æ¥ããç¥ãããŠãããMatïŒResïŒBullïŒã15ã
129ã137é ïŒ1980幎ïŒã«ã¯ãšã¹ã»ã·ãã¿ïŒS.
ShibataïŒä»ã«ãããæ¥å·ããã°ã¬ã©ã¹ãšãªã
PbF2âAlF3ç³»ã¬ã©ã¹ã®åœ¢ã§PbF2ãããŒã¹ãšãã
ã¬ã©ã¹ã®äžæãèšèŒãããŠããããŸãMatïŒ
ResïŒBullïŒã17ã1275ã1281é ïŒ1982幎ïŒã«ã¯ã
ãšã ã»ããããïŒM.MateckiïŒããAlF3ã
YbF3ãThF4ããã³ïŒãŸãã¯éå±åŒåç©ãéžæç
ã«å«ããCdF2âBaF2äºå çµæç©ããã³CdF2â
BaF2âZnF2äžå çµæç©ãå«ãCdF2ãããŒã¹ãšã
ãã¬ã©ã¹ã«ã€ããŠå ±åããŠããããããã®çµæç©
ã¯ãŸãæ¥å·ã«ããèµ€å€ç·ã«å¯ŸããŠééæ§ã®èãã¬
ã©ã¹çŽ åã圢æããã æ¬çºæã¯ãæ¥å·ããªããŠãå®å®ãªã¬ã©ã¹ã圢æ
ãã奜ãŸããã¯LiFãå«ãCdF2âAlF3âPbF2çµ
æç©ç³»ã®æ°èŠãªåŒåç©ã¬ã©ã¹çµæç©ãæäŸããã
ã®ã§ããããã®ã¬ã©ã¹ã¯ããã²ã³åç©ã¬ã©ã¹ã®ç¹
城ã§ããèµ€å€ç·ã«å¯Ÿããééæ§ã瀺ããããã«å
åŠèžçæ³ã«ãã€ãŠåœ¢æããããšãã§ããã æ¬çºæã«ããCdF2âAlF3âPbF2äžå çµæç©
ã¯ãçŽ20ã46ã¢ã«ïŒ ã®CdF2ãšãçŽ22ã52ã¢ã«ïŒ
ã®AlF3ãšãçŽ18ã44ã¢ã«ïŒ ã®PbF2ãããªããã
ããæåã¯ã¬ã©ã¹å šäœã®å°ãªããšã80ã¢ã«ïŒ ãå
ããŠããããã€çµæäžã®CdF2ãšPbF2ãšã®ã¢ã«æ¯
ã¯ïŒïŒïŒä»¥äžã§ããã äžèšã®çµæãæããã¬ã©ã¹ã«ã20ã¢ã«ïŒ ãŸã§ã®
LiFãéžæçã«å ãããããããã®LiFãïŒã15
ã¢ã«ïŒ ã®ç¯å²ã§ååšãããšã¬ã©ã¹ãå®å®ã«ããå¹
æãããããã®ä»ã®æ·»å ç©ãšããŠã¯ãåèšã§10ã¢
ã«ïŒ ãŸã§ååšã蚱容ãããYbF3ãCaF2ãSrF2ã
BaF2ãNaFããã³KFãšãïŒã¢ã«ïŒ ãŸã§ã®ZnF2
ãšãå«æããã èµ€å€ç·ã«å¯Ÿãééæ§ãæããããã²ã³åç©ã¬ã©
ã¹ã®éèŠãªå¿çšåéãšããŠãããããŠäœæ倱ã®ç¬¬
ïŒäžä»£ã®å å°æ³¢è·¯ã®è£œé ããããããããªããã
ããããŠäœæ倱ã®ã¬ã©ã¹ã¯çè«çã«ã¯å¯èœã§ãã€
ãŠããå®éã®è£œé ã«åœã€ãŠã¯çš®ã ã®é害ãããã
ãããé害ã®äžã§ãã€ãšãé倧ãªåé¡ã¯ãããã²
ã³åç©ã¬ã©ã¹ãæ¯èŒçå®å®æ§ã«ä¹ããããšããã³
åäœã¬ã³ãžã®çãããšã§ããããã€ãŠæ¬çºæã¯ã
äžèšåé¡ç¹ã解決ããæ°èŠãªããã€ããå®å®ãªã¬
ã©ã¹çµæç©ãæäŸããããšãç®çãšããã æ¬çºæã«ããã¬ã©ã¹çµæç©ã®ããããŠå¥œãŸãã
ç¹åŸŽã¯ãååŠèžçæ³ã«ãã€ãŠã補é ã§ããããšã§
ããããã€ãšãå®å®ãªå ¬ç¥ã®ééå±åŒåç©ã¬ã©ã¹
ã¯ãã¬ã©ã¹åœ¢æäœãšããŠã®ZrãŸãã¯Hfãšã調ç¯
å€ãšããŠã®Baãšã«äŸåããŠãããZrããã³Hfã¯
ååçã«ã¯ããŒããŒã»ãã©ã³ã¹ããŒã¿ãã«
ïŒvapor transportableïŒã§ãããããããéå±ã®
ååç©ã¯èžæ°å§ãäœããããã¬ã©ã¹äž»æåãšããŠ
ã®é åã«æ¬ ãããããã«å ããŠãBaã®é«èžæ°å§
ååç©ã¯æªã éçºãããŠããªãã æ¬çºæã«ããã¬ã©ã¹çµæç©ã¯ãå°ãªããšãæœåš
çã«ããŒããŒã»ãã©ã³ã¹ããŒã¿ãã«ã§ããããã®
ã¬ã©ã¹çµæç©ã«ãããäž»èŠãªéå±æåã§ããPbã
AlãCdããã³Liã¯ãææ©éå±ååç©ãšããŠããŒ
ããŒã»ãã©ã³ã¹ããŒã¿ãã«ã§ããããšãç¥ãããŠ
ãããæ·»å ç©ã®æåã§ããYbããŸãããŒããŒã»
ãã©ã³ã¹ããŒã¿ãã«ã§ããã 第ïŒå³ã«ã¯æ¬çºæã«ããCdF2âAlF3âPbF2ç³»
çµæç©ã®äžå çµæå³ã瀺ãããŠãããçš®ã ã®çµæ
æ¯ããã€ãŠè£œé ãããã¬ã©ã¹ã®å質ãããããã
çµææ¯ã瀺ãäœçœ®ã«æãããå°ããåã«ãã€ãŠã
ãããããŠãããå³äžãäœãå¡ãããŠããªãçœã
åã¯ãè©Šéšçãã¹ãã³ã¬ã¹éŒã®æ¿äžã§æåã«ãã€
ãŠæ°ããªã¡ãŒãã«ã®åãã«åœ¢æãããå Žåã«ãã
ã®è©Šéšçã«çµæ¶ãååšããªãããšããããããå
åã®äžé»ãå¡ãããåã¯å€å°çµæ¶åãŸãã¯çžåé¢
ãè¡ãªãããè©Šéšçããããããååé»ãå¡ãã
ãåã¯ã¬ã©ã¹åãããé åãšã¬ã©ã¹åãããªãé
åã®åæ¹ã®é åãæçœã«å«ãè©Šéšçãããããã
æåæ¡ä»¶ã¯ãã¹ãŠåäžã§ããããã ãåŸè ã®çµæ
ç©ã¯æ¥å·ã«ããçŽã¡ã«ã¬ã©ã¹ãšãªãã§ãããã æ¬çºæã«ãããŠéžæçã«å«æããã奜ãŸããæ
åã¯LiFã§ãããLiFã¯çµæç©ãå®å®ã«ãããã€
éåžžã®æåæ³ã«ãã容æã«åœ¢æããããçµæ¶ã®ãª
ãã¬ã©ã¹ã®çµæé åãæ¡ãã圹å²ããããLiFã¯
20ã¢ã«ïŒ ãŸã§ã®éãå«ãŸããããšãã§ããããçŽ
ïŒã15ã¢ã«ïŒ ã®ç¯å²ã奜ãŸããã 第ïŒå³ã«ã¯LiFæ¿åºŠã10ã¢ã«ïŒ ãšããCdF2â
AlF3âPbF2âLiFç³»ã®ã¬ã©ã¹çµæç©ã®çµæã瀺
ãããŠããããã®äžå çµæå³ã«ãããŠãCdF2ã
AlF3ããã³PbF2ã®ã¬ãã«ã¯ïŒã90ã¢ã«ïŒ ã®ç¯å²
ã«ããã 第ïŒå³ã«ç€ºãããåå çµæç©ã®æ§è³ªã¯ã第ïŒå³
ãšåæ§ã®æ æ§ã§ãçœãåããã³éšåçã«é»å¡ãã
ããåã§ç€ºãããŠãããäŸãã°éŒæ¿äžã«ãããæ
åã®ãããªåæ§ã®è£œæ³ã«ãã€ãŠåŸããããã®ã§ã
ãã第ïŒå³ã«ããã°ãçµæ¶ã®ãªããŸãã¯ãããã®
çžåé¢ãããã¯çµæ¶åãè¡ãªããããµã³ãã«ãã
ãåºãé åã§åŸãããããšãæããã§ããã LiFãå«æããã¬ã©ã¹ã®äžã§ã奜ãŸããã¬ã©ã¹
圢æçšçµæã¯ãLiFã®å«æéãïŒã15ã¢ã«ïŒ ã
CdF2ã®å«æéã21ã38ã¢ã«ïŒ ãAlF3ã®å«æéã
23ã42ã¢ã«ïŒ ãPbF2ã®å«æéã18ã37ã¢ã«ïŒ ã§
ãããåèšããä»ã®åŒåç©ãããªãæåãéžæç
ã«æ·»å ããŠãããããå®å®æ§ããã¿ãŠãã€ãšãå®
å®ãªãã®ã¯å®è³ªçã«LiFãCdF2ãAlF3ããã³
PbF2ãããªãã¬ã©ã¹ã§ããã ãã®ãããªå®å®ãªåå ã¬ã©ã¹çµæç©ã«æ·»å ç©ã
éžæçã«å ããããšã®å¹æã«ã€ããŠã¯ç¬¬ïŒå³ã«ç€º
ãããŠããã第ïŒå³ã«ã¯ãããŒã¹ãšãªãã¬ã©ã¹æ
åã§ããLiFãCdF2ãAlF3ããã³PbF2ã®äžéšã
éå±åŒåç©ãããªãæ·»å ç©ã§çœ®æããæåã¬ã©ã¹
ã®ãµã³ãã«ã®æ§è³ªãã第ïŒå³ããã³ç¬¬ïŒå³ã®å Žå
ãšåæ§ã«ãçœãåããã³éšåçã«é»å¡ããããå
ã«ãã€ãŠç€ºãããŠããã 10ã¢ã«ïŒ ã®LiFãšã27ã¢ã«ïŒ ã®CdF2ãšã31.5ã¢
ã«ïŒ ã®AlF3ãšã31.5ã¢ã«ïŒ ã®PbF2ãããªãçµæ¶
ã®ãªãæåã¬ã©ã¹ãããããçœãåãå«ãåè§ã®
äžå€®é åã«ãã€ãŠãæ·»å ç©ãéžæçã«å ãããã
ã¹ãããŒã¹ã¬ã©ã¹ã瀺ãããŠãããåšå²ã®åã«ã
ã€ãŠããããããã¬ã©ã¹ãµã³ãã«ã¯ãããŒã¹ã¬ã©
ã¹ã®æåã®äžéšããã®æåãããããé åã«æ¥ç¶
ãããç·äžã«ç€ºãããæåã§çœ®æããã¬ã©ã¹çµæ
ã瀺ããŠããã 第ïŒå³ããæãããªããã«ãLiFã®äžéšãKF
ã§çœ®æããå ŽåãCdF2ã®äžéšãBaF2ã§çœ®æãã
å Žåããã³AlF3ã®äžéšãYbF3ã§çœ®æããå Žåã«
éããããŒã¹ã¬ã©ã¹ã®å®å®æ§ã¯æãªãããŠããª
ããNaFãZnF2ãCaF2ããã³SrF2ã®å Žåã¯ããŒ
ã¹ã¬ã©ã¹ãããå®å®æ§ãè¥å¹²æªåããã ZrF4ãMgF2ãCrF3ãInF3ããã³GaF3ãå«ã
æ·»å ç©ãïŒã¢ã«ïŒ ã®çœ®æã¬ãã«ã§å ããå Žåã¯ã
ãããŠåŒ·åãªå®å®å¹æãæãããããããªããã
ãããæ·»å ç©ã¯ãããããã®ããã«å°éå ããå Ž
åã§ãã€ãŠããæ¥å·åœ¢ææ³ãçšããå¿ èŠãããã
åŸæ¥ã®è£œé æ³ã«ããå Žåããããã®åŒåç©ã¯æ·»å
ãããªãæ¹ãããã æ¬çºæã«ããã¬ã©ã¹çµæç©ã®å®æœäŸã¯äžèšã®ç¬¬
è¡šã«ç€ºãããŠããã第衚ã«ã¯ãã¬ã©ã¹ããã
ãåŸãã®ã«çšããããåŒåç©æåã®ãããééã
ã°ã©ã ã§ããŸãåŸãããã¬ã©ã¹ã®çµæãã¢ã«ïŒ ã§
瀺ãããŠãããããã«ãåçµæã«ã€ããŠãéŒæ¿äž
ã§æº¶èãããçµæç©ãæåããŠåŸãããè©Šéšçã®
å質ãè©äŸ¡ããççŽãä»ãããŠãããïŒã¯å šéšã
çžåé¢ãŸãã¯å€±éåã®èŠãããªãã¬ã©ã¹ã§ããå Ž
åãïŒã¯å€§éšåã¯ã¬ã©ã¹ã§ããããå€å°çžåé¢ãŸ
ãã¯å€±éåãèŠãããå ŽåãïŒã¯ã¬ã©ã¹é åãšé
ã¬ã©ã¹é åãšã®åæ¹ãèŠãããå Žåã§ããã ãè¡šã 第衚ã«ç€ºãããã¬ã©ã¹èª¿è£œã¯ãé°å²æ°ã®èª¿ç¯
ããã溶èè£ çœ®å ã§è¡ãªãããããã®æº¶èè£ çœ®ã¯
ïŒéã®ãã©ã€ããã¯ã¹ãæããŠããããã®3/4ã¯
ãããã調ç¯ããã®ã«äœ¿çšãããæ®ãã®1/4ã¯æº¶
èã«çšãããããã¬ã©ã¹ãµã³ãã«ã¯çªçŽ ã®äžã§æº¶
èããã奜ãŸããã¯10ppmããå°ãªãO2ãš1ppm
ããå°ãªãH2Oã®äžã«çœ®ããããAlF3ãŸãã¯
CdF2ã®ãããªåžæ¹¿æ§ã®ãããŸãã¯ç©ºæ°ãšåå¿æ§
ã®ãããã®ã¯ããã©ã€ããã¯ã¹ã®äžã«å¯å°ããŠå
åºããŠã¯ãããªããããå®å®ãªåŒåç©ã¯äœ¿çšã«å
ç«ã€ãŠé°å²æ°äžã«ãããããšãã§ããã 第衚ã«ç€ºãããçµæãæããã¬ã©ã¹ã圢æã
ãããã«ãã¬ã©ã¹ãããããã©ã€ããã¯ã¹äžã§èª¿
補ããããŸãã30ããªãªããã«ã®çœéãã€ãŒå ã«
å ¥ãã次ã«1100âã«ç±ããããŠããåçŽç®¡ç¶çå
ã«æŒãããã10åéã§æž æŸãªæ³¡ã®ãªã溶èç©ãåŸ
ãã次ã«æº¶èã¬ã©ã¹ãã¹ãã³ã¬ã¹éŒæ¿äžã§æåã
å·åŽããè©äŸ¡ã®ããã«ååºããã 第衚ã«ç€ºãããã¬ã©ã¹ã®å®å®æ§ã¯ãã€ãã¬ã³
ã·ã€ã«ã»ã¹ãã€ãã³ã°ã»ã«ããªã¡ãŒã¿ïŒDSCïŒ
ãçšããããšã«ãã€ãŠãã粟å¯ã«æ€æ»ã§ããã被
æ€æ»ã¬ã©ã¹ã®ããããä¹³é¢ã§ããã€ã¶ããã«ããª
ã¡ãŒã¿å ã«çœ®ãã20âïŒåã®å²åã§å ç±ãããã«
ããªã¡ãŒã¿ã¯æ¯èŒçšãšããŠã¢ã«ããã®ãµã³ãã«ã
åããŠããã æ¬çºæã«ããå®å®ãªã¬ã©ã¹ã®å žåçãªDSCã«
ãŒãã第ïŒå³ã«ç€ºãããŠããããã®ã«ãŒãã¯ã
22.5ã¢ã«ïŒ ã®CdF2ãšã31.5ã¢ã«ïŒ ã®AlF3ãšã36
ã¢ã«ïŒ ã®PbF2ãšã10ã¢ã«ïŒ ã®LiFãããªãã¬ã©ã¹
ã®å ç±äžã«æããããã®ã§ãããã¬ã©ã¹è»¢ç§»æž©åºŠ
Tgã¯æåã®åžç±å±æ²ç¹ããæ±ããããããçµæ¶
å枩床Txtalã¯æ²ç·äžã®æåã®æ¥å³»ãªçºç±ããŒã¯
ããæ±ãããããTgãšTxtalãšã®å·®ã倧ããã»
ã©ãã¬ã©ã¹ã¯ããå®å®ãªåŸåã瀺ãã éåžžã®æ¹æ³ã§è£œé ãããã¬ã©ã¹ã®TgãšTxtal
ãšã®å·®ã¯ããããŠå°ããããæåæ³ã®ãããªæ¹æ³
ã§è£œé ãããã¬ã©ã¹ã«ãããTgãšTxtalãšã®å·®
ã¯75âã®ãªãŒããŒã§ãå åãªå®å®æ§ã瀺ããæ¬çº
æã«ããå žåçãªã¬ã©ã¹ã®è»¢ç§»æž©åºŠã¯270ã300â
ã§ãããTgãšTxtalãšã®å·®ã¯40ã120âã§ããã
ãšã枬å®ãããã 第衚ã«ç€ºãããã¬ã©ã¹ã¯ãäžçŽç©ãšããŠã®é ž
çŽ ãïŒãïŒééïŒ ã®ç¯å²ã§ååšããããšãã¿ãã
ããã®ã®ãååŠåæã«ãã€ãŠãé©çšããã溶èæ¡
件ã®äžã§ãããæ§ææåãè¯å¥œã«ä¿æããŠããã
ãšã瀺ãããããã®é žçŽ ã®çºçæºã¯ãçšãããã
ãããæ§ææåã§ãããšæããããããé žçŽ ãäŸ
ãã°åå¿é°å²æ°åŠçãã®ä»ã®å ¬ç¥ã®æ段ã«ããé€
å»ãããå Žåã«ã¯ãããåªããå®å®æ§ã瀺ãããš
ã«ãªããã ããã±ç·æ³ããã³ãããªãŠã ã®ïŒ€ç·ïŒæ³¢é·5493
â«ïŒãçšããŠç¢ºèªããããããã¬ã©ã¹ã®å±æçã¯
çŽ1.61ã1.65ã§ãã€ãã2.5ã5.1mmã®åããæã
ããããã¬ã©ã¹ãµã³ãã«ã®è¡šé¢ãééããèµ€å€ç·
ã®éé床ã®ããŒã¿ãããèµ€å€ç·é®æåšæ³¢æ°ã¯çŽ
7.9ã8.2ãã¯ãã³ã§ãã€ãã èŠçŽããã°ãæ¬çºæã¯ãç¹ã«å®å®ãªLiFâCdF2
âAlF3âPbF2ã¬ã©ã¹ãå«ãå°ãªããšãæœåšçã«
ããŒããŒã»ãã©ã³ã¹ããŒã¿ãã«ã§ãã€è¯å¥œãªèµ€å€
ç·ééæ§ãæããæ°èŠãªCdF2âAlF3âPbF2ã¬ã©
ã¹ãæäŸãããã®ã§ããããããã¬ã©ã¹ã®é«å®å®
æ§ãšé«çŽåºŠã§èžçã§åœ¢æããããç¹æ§ã¯ãè¶ äœæ
倱ã®ã¬ã©ã¹å å°æ³¢è·¯ããã³ä»ã®èµ€å€ç·ãééãã
å åŠçŽ åã補é ããå Žåã«ãããæçšæ§ãçŽæã
ããã®ã§ããã
ã³åç©ã¬ã©ã¹ãšç§°ãããç¡é žåç©ã¬ã©ã¹ã®è£œé æ
è¡ã«é¢ãããããã«è©³çŽ°ã«äºãã°ãæ¬çºæã¯ãèµ€
å€ç·ééæ§ã¬ã©ã¹äŸãã°ã¬ã©ã¹å å°æ³¢è·¯ã®ãããª
ã¬ã©ã¹è£œåã圢æããããã®æ°èŠãªéå±åŒåç©ã¬
ã©ã¹ã®çµæã«é¢ããã åŸæ¥ããããç¥ãããŠããããã²ã³åç©ã¬ã©ã¹
ç³»ã®äžã«ãBeF2ãããŒã¹ãšããçµæç©ãããã
ããããªãããã®ã¬ã©ã¹çµæç©ã¯ãæ¯èŒçåäœã¬
ã³ãžãçãããã€å€±éããåŸåããããããã«å
ããŠãBeF2ã¯åžæ¹¿æ§ã§ãã€ããããŠææ¯ã§ããã è¿å¹Žçš®ã ã®åŒåç©ã¬ã©ã¹ã®çµæãææ¡ãããŠã
ããç±³åœç¹èš±ç¬¬4141741å·å ¬å ±ã«ã¯ãZrF4ãããŒ
ã¹ãšããçµæç©ã®äžæãZrF4âBaF2âThF4çµæ
ç³»ãšããŠèšèŒãããŠããããã®çµæç©ã¯ãæ³¢é·çŽ
ïŒãã¯ãã³ã®èµ€å€ç·ã«å¯Ÿãééæ§ãæãããã€é
åžæ¹¿æ§ã§ãããç±³åœç¹èš±ç¬¬4308066å·å ¬å ±ã«ã¯ã
20ã80ã¢ã«ïŒ ã®CaF2ãSrF2ãBaF2ããã³ïŒãŸã
ã¯PbF2ãå«ãZrF4ããã³ïŒãŸãã¯AlF3ãããŒã¹
ãšããæ¥å·ã«ããã¬ã©ã¹ã圢æããåŒåç©çµæç©
ã®äžæãèšèŒãããŠããã MatïŒResïŒBullïŒã17ã1035ã1043é ïŒ1982
幎ïŒã«ã¯ãšã ã»ããããïŒM.MateckiïŒä»ã«ã
ããLaF3ãYF3ãCdF3ãLuF3ãScF3ãããªã矀
ã®äžããéžã°ãã調ç¯å€ãšããŠã®åŒåç©ãå«ã
ThF4âZrF4çµæç©ã®ã·ãªãŒãºãèšèŒãããŠã
ãããããã®ã¬ã©ã¹çµæç©ã¯æ¯èŒçå®å®ã§ãã¬ã©
ã¹è»¢ç§»æž©åºŠã¯460ã515âã®ç¯å²ã«ãããæåã«ã
ã€ãŠè£œäœã§ããæ³¢é·çŽïŒãã¯ãã³ã®èµ€å€ç·ã«å¯Ÿã
ãŠééæ§ãæããã ZrF4以å€ã®åŒåç©ãããŒã¹ãšããã¬ã©ã¹ãåŸ
æ¥ããç¥ãããŠãããMatïŒResïŒBullïŒã15ã
129ã137é ïŒ1980幎ïŒã«ã¯ãšã¹ã»ã·ãã¿ïŒS.
ShibataïŒä»ã«ãããæ¥å·ããã°ã¬ã©ã¹ãšãªã
PbF2âAlF3ç³»ã¬ã©ã¹ã®åœ¢ã§PbF2ãããŒã¹ãšãã
ã¬ã©ã¹ã®äžæãèšèŒãããŠããããŸãMatïŒ
ResïŒBullïŒã17ã1275ã1281é ïŒ1982幎ïŒã«ã¯ã
ãšã ã»ããããïŒM.MateckiïŒããAlF3ã
YbF3ãThF4ããã³ïŒãŸãã¯éå±åŒåç©ãéžæç
ã«å«ããCdF2âBaF2äºå çµæç©ããã³CdF2â
BaF2âZnF2äžå çµæç©ãå«ãCdF2ãããŒã¹ãšã
ãã¬ã©ã¹ã«ã€ããŠå ±åããŠããããããã®çµæç©
ã¯ãŸãæ¥å·ã«ããèµ€å€ç·ã«å¯ŸããŠééæ§ã®èãã¬
ã©ã¹çŽ åã圢æããã æ¬çºæã¯ãæ¥å·ããªããŠãå®å®ãªã¬ã©ã¹ã圢æ
ãã奜ãŸããã¯LiFãå«ãCdF2âAlF3âPbF2çµ
æç©ç³»ã®æ°èŠãªåŒåç©ã¬ã©ã¹çµæç©ãæäŸããã
ã®ã§ããããã®ã¬ã©ã¹ã¯ããã²ã³åç©ã¬ã©ã¹ã®ç¹
城ã§ããèµ€å€ç·ã«å¯Ÿããééæ§ã瀺ããããã«å
åŠèžçæ³ã«ãã€ãŠåœ¢æããããšãã§ããã æ¬çºæã«ããCdF2âAlF3âPbF2äžå çµæç©
ã¯ãçŽ20ã46ã¢ã«ïŒ ã®CdF2ãšãçŽ22ã52ã¢ã«ïŒ
ã®AlF3ãšãçŽ18ã44ã¢ã«ïŒ ã®PbF2ãããªããã
ããæåã¯ã¬ã©ã¹å šäœã®å°ãªããšã80ã¢ã«ïŒ ãå
ããŠããããã€çµæäžã®CdF2ãšPbF2ãšã®ã¢ã«æ¯
ã¯ïŒïŒïŒä»¥äžã§ããã äžèšã®çµæãæããã¬ã©ã¹ã«ã20ã¢ã«ïŒ ãŸã§ã®
LiFãéžæçã«å ãããããããã®LiFãïŒã15
ã¢ã«ïŒ ã®ç¯å²ã§ååšãããšã¬ã©ã¹ãå®å®ã«ããå¹
æãããããã®ä»ã®æ·»å ç©ãšããŠã¯ãåèšã§10ã¢
ã«ïŒ ãŸã§ååšã蚱容ãããYbF3ãCaF2ãSrF2ã
BaF2ãNaFããã³KFãšãïŒã¢ã«ïŒ ãŸã§ã®ZnF2
ãšãå«æããã èµ€å€ç·ã«å¯Ÿãééæ§ãæããããã²ã³åç©ã¬ã©
ã¹ã®éèŠãªå¿çšåéãšããŠãããããŠäœæ倱ã®ç¬¬
ïŒäžä»£ã®å å°æ³¢è·¯ã®è£œé ããããããããªããã
ããããŠäœæ倱ã®ã¬ã©ã¹ã¯çè«çã«ã¯å¯èœã§ãã€
ãŠããå®éã®è£œé ã«åœã€ãŠã¯çš®ã ã®é害ãããã
ãããé害ã®äžã§ãã€ãšãé倧ãªåé¡ã¯ãããã²
ã³åç©ã¬ã©ã¹ãæ¯èŒçå®å®æ§ã«ä¹ããããšããã³
åäœã¬ã³ãžã®çãããšã§ããããã€ãŠæ¬çºæã¯ã
äžèšåé¡ç¹ã解決ããæ°èŠãªããã€ããå®å®ãªã¬
ã©ã¹çµæç©ãæäŸããããšãç®çãšããã æ¬çºæã«ããã¬ã©ã¹çµæç©ã®ããããŠå¥œãŸãã
ç¹åŸŽã¯ãååŠèžçæ³ã«ãã€ãŠã補é ã§ããããšã§
ããããã€ãšãå®å®ãªå ¬ç¥ã®ééå±åŒåç©ã¬ã©ã¹
ã¯ãã¬ã©ã¹åœ¢æäœãšããŠã®ZrãŸãã¯Hfãšã調ç¯
å€ãšããŠã®Baãšã«äŸåããŠãããZrããã³Hfã¯
ååçã«ã¯ããŒããŒã»ãã©ã³ã¹ããŒã¿ãã«
ïŒvapor transportableïŒã§ãããããããéå±ã®
ååç©ã¯èžæ°å§ãäœããããã¬ã©ã¹äž»æåãšããŠ
ã®é åã«æ¬ ãããããã«å ããŠãBaã®é«èžæ°å§
ååç©ã¯æªã éçºãããŠããªãã æ¬çºæã«ããã¬ã©ã¹çµæç©ã¯ãå°ãªããšãæœåš
çã«ããŒããŒã»ãã©ã³ã¹ããŒã¿ãã«ã§ããããã®
ã¬ã©ã¹çµæç©ã«ãããäž»èŠãªéå±æåã§ããPbã
AlãCdããã³Liã¯ãææ©éå±ååç©ãšããŠããŒ
ããŒã»ãã©ã³ã¹ããŒã¿ãã«ã§ããããšãç¥ãããŠ
ãããæ·»å ç©ã®æåã§ããYbããŸãããŒããŒã»
ãã©ã³ã¹ããŒã¿ãã«ã§ããã 第ïŒå³ã«ã¯æ¬çºæã«ããCdF2âAlF3âPbF2ç³»
çµæç©ã®äžå çµæå³ã瀺ãããŠãããçš®ã ã®çµæ
æ¯ããã€ãŠè£œé ãããã¬ã©ã¹ã®å質ãããããã
çµææ¯ã瀺ãäœçœ®ã«æãããå°ããåã«ãã€ãŠã
ãããããŠãããå³äžãäœãå¡ãããŠããªãçœã
åã¯ãè©Šéšçãã¹ãã³ã¬ã¹éŒã®æ¿äžã§æåã«ãã€
ãŠæ°ããªã¡ãŒãã«ã®åãã«åœ¢æãããå Žåã«ãã
ã®è©Šéšçã«çµæ¶ãååšããªãããšããããããå
åã®äžé»ãå¡ãããåã¯å€å°çµæ¶åãŸãã¯çžåé¢
ãè¡ãªãããè©Šéšçããããããååé»ãå¡ãã
ãåã¯ã¬ã©ã¹åãããé åãšã¬ã©ã¹åãããªãé
åã®åæ¹ã®é åãæçœã«å«ãè©Šéšçãããããã
æåæ¡ä»¶ã¯ãã¹ãŠåäžã§ããããã ãåŸè ã®çµæ
ç©ã¯æ¥å·ã«ããçŽã¡ã«ã¬ã©ã¹ãšãªãã§ãããã æ¬çºæã«ãããŠéžæçã«å«æããã奜ãŸããæ
åã¯LiFã§ãããLiFã¯çµæç©ãå®å®ã«ãããã€
éåžžã®æåæ³ã«ãã容æã«åœ¢æããããçµæ¶ã®ãª
ãã¬ã©ã¹ã®çµæé åãæ¡ãã圹å²ããããLiFã¯
20ã¢ã«ïŒ ãŸã§ã®éãå«ãŸããããšãã§ããããçŽ
ïŒã15ã¢ã«ïŒ ã®ç¯å²ã奜ãŸããã 第ïŒå³ã«ã¯LiFæ¿åºŠã10ã¢ã«ïŒ ãšããCdF2â
AlF3âPbF2âLiFç³»ã®ã¬ã©ã¹çµæç©ã®çµæã瀺
ãããŠããããã®äžå çµæå³ã«ãããŠãCdF2ã
AlF3ããã³PbF2ã®ã¬ãã«ã¯ïŒã90ã¢ã«ïŒ ã®ç¯å²
ã«ããã 第ïŒå³ã«ç€ºãããåå çµæç©ã®æ§è³ªã¯ã第ïŒå³
ãšåæ§ã®æ æ§ã§ãçœãåããã³éšåçã«é»å¡ãã
ããåã§ç€ºãããŠãããäŸãã°éŒæ¿äžã«ãããæ
åã®ãããªåæ§ã®è£œæ³ã«ãã€ãŠåŸããããã®ã§ã
ãã第ïŒå³ã«ããã°ãçµæ¶ã®ãªããŸãã¯ãããã®
çžåé¢ãããã¯çµæ¶åãè¡ãªããããµã³ãã«ãã
ãåºãé åã§åŸãããããšãæããã§ããã LiFãå«æããã¬ã©ã¹ã®äžã§ã奜ãŸããã¬ã©ã¹
圢æçšçµæã¯ãLiFã®å«æéãïŒã15ã¢ã«ïŒ ã
CdF2ã®å«æéã21ã38ã¢ã«ïŒ ãAlF3ã®å«æéã
23ã42ã¢ã«ïŒ ãPbF2ã®å«æéã18ã37ã¢ã«ïŒ ã§
ãããåèšããä»ã®åŒåç©ãããªãæåãéžæç
ã«æ·»å ããŠãããããå®å®æ§ããã¿ãŠãã€ãšãå®
å®ãªãã®ã¯å®è³ªçã«LiFãCdF2ãAlF3ããã³
PbF2ãããªãã¬ã©ã¹ã§ããã ãã®ãããªå®å®ãªåå ã¬ã©ã¹çµæç©ã«æ·»å ç©ã
éžæçã«å ããããšã®å¹æã«ã€ããŠã¯ç¬¬ïŒå³ã«ç€º
ãããŠããã第ïŒå³ã«ã¯ãããŒã¹ãšãªãã¬ã©ã¹æ
åã§ããLiFãCdF2ãAlF3ããã³PbF2ã®äžéšã
éå±åŒåç©ãããªãæ·»å ç©ã§çœ®æããæåã¬ã©ã¹
ã®ãµã³ãã«ã®æ§è³ªãã第ïŒå³ããã³ç¬¬ïŒå³ã®å Žå
ãšåæ§ã«ãçœãåããã³éšåçã«é»å¡ããããå
ã«ãã€ãŠç€ºãããŠããã 10ã¢ã«ïŒ ã®LiFãšã27ã¢ã«ïŒ ã®CdF2ãšã31.5ã¢
ã«ïŒ ã®AlF3ãšã31.5ã¢ã«ïŒ ã®PbF2ãããªãçµæ¶
ã®ãªãæåã¬ã©ã¹ãããããçœãåãå«ãåè§ã®
äžå€®é åã«ãã€ãŠãæ·»å ç©ãéžæçã«å ãããã
ã¹ãããŒã¹ã¬ã©ã¹ã瀺ãããŠãããåšå²ã®åã«ã
ã€ãŠããããããã¬ã©ã¹ãµã³ãã«ã¯ãããŒã¹ã¬ã©
ã¹ã®æåã®äžéšããã®æåãããããé åã«æ¥ç¶
ãããç·äžã«ç€ºãããæåã§çœ®æããã¬ã©ã¹çµæ
ã瀺ããŠããã 第ïŒå³ããæãããªããã«ãLiFã®äžéšãKF
ã§çœ®æããå ŽåãCdF2ã®äžéšãBaF2ã§çœ®æãã
å Žåããã³AlF3ã®äžéšãYbF3ã§çœ®æããå Žåã«
éããããŒã¹ã¬ã©ã¹ã®å®å®æ§ã¯æãªãããŠããª
ããNaFãZnF2ãCaF2ããã³SrF2ã®å Žåã¯ããŒ
ã¹ã¬ã©ã¹ãããå®å®æ§ãè¥å¹²æªåããã ZrF4ãMgF2ãCrF3ãInF3ããã³GaF3ãå«ã
æ·»å ç©ãïŒã¢ã«ïŒ ã®çœ®æã¬ãã«ã§å ããå Žåã¯ã
ãããŠåŒ·åãªå®å®å¹æãæãããããããªããã
ãããæ·»å ç©ã¯ãããããã®ããã«å°éå ããå Ž
åã§ãã€ãŠããæ¥å·åœ¢ææ³ãçšããå¿ èŠãããã
åŸæ¥ã®è£œé æ³ã«ããå Žåããããã®åŒåç©ã¯æ·»å
ãããªãæ¹ãããã æ¬çºæã«ããã¬ã©ã¹çµæç©ã®å®æœäŸã¯äžèšã®ç¬¬
è¡šã«ç€ºãããŠããã第衚ã«ã¯ãã¬ã©ã¹ããã
ãåŸãã®ã«çšããããåŒåç©æåã®ãããééã
ã°ã©ã ã§ããŸãåŸãããã¬ã©ã¹ã®çµæãã¢ã«ïŒ ã§
瀺ãããŠãããããã«ãåçµæã«ã€ããŠãéŒæ¿äž
ã§æº¶èãããçµæç©ãæåããŠåŸãããè©Šéšçã®
å質ãè©äŸ¡ããççŽãä»ãããŠãããïŒã¯å šéšã
çžåé¢ãŸãã¯å€±éåã®èŠãããªãã¬ã©ã¹ã§ããå Ž
åãïŒã¯å€§éšåã¯ã¬ã©ã¹ã§ããããå€å°çžåé¢ãŸ
ãã¯å€±éåãèŠãããå ŽåãïŒã¯ã¬ã©ã¹é åãšé
ã¬ã©ã¹é åãšã®åæ¹ãèŠãããå Žåã§ããã ãè¡šã 第衚ã«ç€ºãããã¬ã©ã¹èª¿è£œã¯ãé°å²æ°ã®èª¿ç¯
ããã溶èè£ çœ®å ã§è¡ãªãããããã®æº¶èè£ çœ®ã¯
ïŒéã®ãã©ã€ããã¯ã¹ãæããŠããããã®3/4ã¯
ãããã調ç¯ããã®ã«äœ¿çšãããæ®ãã®1/4ã¯æº¶
èã«çšãããããã¬ã©ã¹ãµã³ãã«ã¯çªçŽ ã®äžã§æº¶
èããã奜ãŸããã¯10ppmããå°ãªãO2ãš1ppm
ããå°ãªãH2Oã®äžã«çœ®ããããAlF3ãŸãã¯
CdF2ã®ãããªåžæ¹¿æ§ã®ãããŸãã¯ç©ºæ°ãšåå¿æ§
ã®ãããã®ã¯ããã©ã€ããã¯ã¹ã®äžã«å¯å°ããŠå
åºããŠã¯ãããªããããå®å®ãªåŒåç©ã¯äœ¿çšã«å
ç«ã€ãŠé°å²æ°äžã«ãããããšãã§ããã 第衚ã«ç€ºãããçµæãæããã¬ã©ã¹ã圢æã
ãããã«ãã¬ã©ã¹ãããããã©ã€ããã¯ã¹äžã§èª¿
補ããããŸãã30ããªãªããã«ã®çœéãã€ãŒå ã«
å ¥ãã次ã«1100âã«ç±ããããŠããåçŽç®¡ç¶çå
ã«æŒãããã10åéã§æž æŸãªæ³¡ã®ãªã溶èç©ãåŸ
ãã次ã«æº¶èã¬ã©ã¹ãã¹ãã³ã¬ã¹éŒæ¿äžã§æåã
å·åŽããè©äŸ¡ã®ããã«ååºããã 第衚ã«ç€ºãããã¬ã©ã¹ã®å®å®æ§ã¯ãã€ãã¬ã³
ã·ã€ã«ã»ã¹ãã€ãã³ã°ã»ã«ããªã¡ãŒã¿ïŒDSCïŒ
ãçšããããšã«ãã€ãŠãã粟å¯ã«æ€æ»ã§ããã被
æ€æ»ã¬ã©ã¹ã®ããããä¹³é¢ã§ããã€ã¶ããã«ããª
ã¡ãŒã¿å ã«çœ®ãã20âïŒåã®å²åã§å ç±ãããã«
ããªã¡ãŒã¿ã¯æ¯èŒçšãšããŠã¢ã«ããã®ãµã³ãã«ã
åããŠããã æ¬çºæã«ããå®å®ãªã¬ã©ã¹ã®å žåçãªDSCã«
ãŒãã第ïŒå³ã«ç€ºãããŠããããã®ã«ãŒãã¯ã
22.5ã¢ã«ïŒ ã®CdF2ãšã31.5ã¢ã«ïŒ ã®AlF3ãšã36
ã¢ã«ïŒ ã®PbF2ãšã10ã¢ã«ïŒ ã®LiFãããªãã¬ã©ã¹
ã®å ç±äžã«æããããã®ã§ãããã¬ã©ã¹è»¢ç§»æž©åºŠ
Tgã¯æåã®åžç±å±æ²ç¹ããæ±ããããããçµæ¶
å枩床Txtalã¯æ²ç·äžã®æåã®æ¥å³»ãªçºç±ããŒã¯
ããæ±ãããããTgãšTxtalãšã®å·®ã倧ããã»
ã©ãã¬ã©ã¹ã¯ããå®å®ãªåŸåã瀺ãã éåžžã®æ¹æ³ã§è£œé ãããã¬ã©ã¹ã®TgãšTxtal
ãšã®å·®ã¯ããããŠå°ããããæåæ³ã®ãããªæ¹æ³
ã§è£œé ãããã¬ã©ã¹ã«ãããTgãšTxtalãšã®å·®
ã¯75âã®ãªãŒããŒã§ãå åãªå®å®æ§ã瀺ããæ¬çº
æã«ããå žåçãªã¬ã©ã¹ã®è»¢ç§»æž©åºŠã¯270ã300â
ã§ãããTgãšTxtalãšã®å·®ã¯40ã120âã§ããã
ãšã枬å®ãããã 第衚ã«ç€ºãããã¬ã©ã¹ã¯ãäžçŽç©ãšããŠã®é ž
çŽ ãïŒãïŒééïŒ ã®ç¯å²ã§ååšããããšãã¿ãã
ããã®ã®ãååŠåæã«ãã€ãŠãé©çšããã溶èæ¡
件ã®äžã§ãããæ§ææåãè¯å¥œã«ä¿æããŠããã
ãšã瀺ãããããã®é žçŽ ã®çºçæºã¯ãçšãããã
ãããæ§ææåã§ãããšæããããããé žçŽ ãäŸ
ãã°åå¿é°å²æ°åŠçãã®ä»ã®å ¬ç¥ã®æ段ã«ããé€
å»ãããå Žåã«ã¯ãããåªããå®å®æ§ã瀺ãããš
ã«ãªããã ããã±ç·æ³ããã³ãããªãŠã ã®ïŒ€ç·ïŒæ³¢é·5493
â«ïŒãçšããŠç¢ºèªããããããã¬ã©ã¹ã®å±æçã¯
çŽ1.61ã1.65ã§ãã€ãã2.5ã5.1mmã®åããæã
ããããã¬ã©ã¹ãµã³ãã«ã®è¡šé¢ãééããèµ€å€ç·
ã®éé床ã®ããŒã¿ãããèµ€å€ç·é®æåšæ³¢æ°ã¯çŽ
7.9ã8.2ãã¯ãã³ã§ãã€ãã èŠçŽããã°ãæ¬çºæã¯ãç¹ã«å®å®ãªLiFâCdF2
âAlF3âPbF2ã¬ã©ã¹ãå«ãå°ãªããšãæœåšçã«
ããŒããŒã»ãã©ã³ã¹ããŒã¿ãã«ã§ãã€è¯å¥œãªèµ€å€
ç·ééæ§ãæããæ°èŠãªCdF2âAlF3âPbF2ã¬ã©
ã¹ãæäŸãããã®ã§ããããããã¬ã©ã¹ã®é«å®å®
æ§ãšé«çŽåºŠã§èžçã§åœ¢æããããç¹æ§ã¯ãè¶ äœæ
倱ã®ã¬ã©ã¹å å°æ³¢è·¯ããã³ä»ã®èµ€å€ç·ãééãã
å åŠçŽ åã補é ããå Žåã«ãããæçšæ§ãçŽæã
ããã®ã§ããã
第ïŒå³ã¯æ¬çºæã«ããCdF2âAlF3âPbF2ç³»çµ
æç©ã®ã¬ã©ã¹åœ¢æé åã瀺ãäžå çµæå³ã第ïŒå³
ã¯æ¬çºæã«ããCdF2âAlF3âPbF2âLiFç³»çµæ
ç©ã®ã¬ã©ã¹åœ¢æé åã瀺ãå³ã第ïŒå³ã¯æ¬çºæã«
ããCdF2âAlF3âPbF2âLiFã¬ã©ã¹ã«æ·»å ãã
ãéžæãããåŒåç©æ·»å ç©ã®å¹æã説æããå³ã
第ïŒå³ã¯æ¬çºæã«ããåŒåç©çµæç©ã®ã¬ã©ã¹è»¢ç§»
枩床ããã³çµæ¶å枩床ã瀺ãæ²ç·å³ã§ããã
æç©ã®ã¬ã©ã¹åœ¢æé åã瀺ãäžå çµæå³ã第ïŒå³
ã¯æ¬çºæã«ããCdF2âAlF3âPbF2âLiFç³»çµæ
ç©ã®ã¬ã©ã¹åœ¢æé åã瀺ãå³ã第ïŒå³ã¯æ¬çºæã«
ããCdF2âAlF3âPbF2âLiFã¬ã©ã¹ã«æ·»å ãã
ãéžæãããåŒåç©æ·»å ç©ã®å¹æã説æããå³ã
第ïŒå³ã¯æ¬çºæã«ããåŒåç©çµæç©ã®ã¬ã©ã¹è»¢ç§»
枩床ããã³çµæ¶å枩床ã瀺ãæ²ç·å³ã§ããã
Claims (1)
- ãç¹èš±è«æ±ã®ç¯å²ã ïŒ çŽ20ã46ã¢ã«ïŒ ã®CdF2ãšãçŽ22ã52ã¢ã«ïŒ
ã®AlF3ãšãçŽ18ã44ã¢ã«ïŒ ã®PbF2ãšãå«ã¿ã
CdF2ïŒAlF3ïŒPbF2ã®ç·åã¯å°ãªããšãå šäœã®80
ã¢ã«ïŒ ãå ããCdF2ãšPbF2ãšã®ã¢ã«æ¯ãïŒïŒïŒ
以äžã§ããããšãç¹åŸŽãšããã¬ã©ã¹åœ¢æçšçµæ
ç©ã ïŒ çŽ20ã46ã¢ã«ïŒ ã®CdF2ãšãçŽ22ã52ã¢ã«ïŒ
ã®AlF3ãšãçŽ18ã44ã¢ã«ïŒ ã®PbF2ãšãå«ã¿ã
CdF2ïŒAlF3ïŒPbF2ã®ç·åã¯å°ãªããšãå šäœã®80
ã¢ã«ïŒ ãå ããããã«20ã¢ã«ïŒ ãŸã§ã®LiFãšã
YbF3ãCaF2ãSrF2ãBaF2ãNaFããã³KFãã
ãªã矀ããéžã°ããç·é10ã¢ã«ïŒ ãŸã§ã®åŒåç©
ãšãïŒã¢ã«ïŒ ãŸã§ã®ZnF2ãšãéžæçã«å«ã¿ã
CdF2ïŒZnF2ïŒCaF2ïŒSrF2ïŒBaF2ãšã®ç·åãš
PbF2ãšã®ã¢ã«æ¯ãïŒïŒïŒä»¥äžã§ããããšãç¹åŸŽ
ãšããç¹èš±è«æ±ã®ç¯å²ç¬¬ïŒé ã«èšèŒãããã¬ã©ã¹
圢æçšçµæç©ã ïŒ çŽïŒã15ã¢ã«ïŒ ã®LiFãå«ãããšãç¹åŸŽãšã
ãç¹èš±è«æ±ã®ç¯å²ç¬¬ïŒé ã«èšèŒãããã¬ã©ã¹åœ¢æ
çšçµæç©ã ïŒ çŽ21ã38ã¢ã«ïŒ ã®CdF2ãšãçŽ23ã42ã¢ã«ïŒ
ã®AlF3ãšãçŽ18ã37ã¢ã«ïŒ ã®PbF2ãšãçŽïŒã15
ã¢ã«ïŒ ã®LiFãå«ãããšãç¹åŸŽãšããç¹èš±è«æ±ã®
ç¯å²ç¬¬ïŒé ã«èšèŒãããã¬ã©ã¹åœ¢æçšçµæç©ã ïŒ æ¬è³ªçã«CdF2ãAlF3ãPbF2ããã³LiFãã
ãªãç¹èš±è«æ±ã®ç¯å²ç¬¬ïŒé ã«èšèŒãããã¬ã©ã¹åœ¢
æçšçµæç©ã ïŒ çµæ¶å枩床Txtalãã¬ã©ã¹è»¢ç§»æž©åºŠTgãã
ãå°ãªããšã70âã ãé«ãããšãç¹åŸŽãšããç¹èš±
è«æ±ã®ç¯å²ç¬¬ïŒé ã«èšèŒãããã¬ã©ã¹åœ¢æçšçµæ
ç©ã ïŒ çŽ20ã46ã¢ã«ïŒ ã®CdF2ãšãçŽ22ã52ã¢ã«ïŒ
ã®AlF3ãšãçŽ18ã44ã¢ã«ïŒ ã®PbF2ãšãå«ã¿ã
CdF2ïŒAlF3ïŒPbF2ã®ç·åã¯å°ãªããšãå šäœã®80
ã¢ã«ïŒ ãå ããCdF2ãšPbF2ãšã®ã¢ã«æ¯ãïŒïŒïŒ
以äžã§ããçµæãæããããšãç¹åŸŽãšããã¬ã©ã¹
ç©åã ïŒ çŽ20ã46ã¢ã«ïŒ ã®CdF2ãšãçŽ22ã52ã¢ã«ïŒ
ã®AlF3ãšãçŽ18ã44ã¢ã«ïŒ ã®PbF2ãšãå«ã¿ã
CdF2ïŒAlF3ïŒPbF2ã®ç·åã¯å°ãªããšãå šäœã®80
ã¢ã«ïŒ ãå ããããã«20ã¢ã«ïŒ ãŸã§ã®LiFãšã
YbF3ãCaF2ãSrF2ãBaF2ãNaFããã³KFãã
ãªã矀ããéžã°ããç·é10ã¢ã«ïŒ ãŸã§ã®åŒåç©
ãšãïŒã¢ã«ïŒ ãŸã§ã®ZnF2ãšãéžæçã«å«ã¿ã
CdF2ïŒZnF2ïŒCaF2ïŒSrF2ïŒBaF2ãšã®ç·åãš
PbF2ãšã®ã¢ã«æ¯ãïŒïŒïŒä»¥äžã§ããçµæãæã
ãããšãç¹åŸŽãšããç¹èš±è«æ±ã®ç¯å²ç¬¬ïŒé ã«èšèŒ
ãããã¬ã©ã¹ç©åã ïŒ çŽïŒã15ã¢ã«ïŒ ã®LiFãå«ãçµæãæããã
ãšãç¹åŸŽãšããç¹èš±è«æ±ã®ç¯å²ç¬¬ïŒé ã«èšèŒãã
ãã¬ã©ã¹ç©åã ïŒïŒ çŽ21ã31ã¢ã«ïŒ ã®CdF2ãšãçŽ24ã42ã¢ã«
ïŒ ã®AlF3ãšãçŽ20ã37ã¢ã«ïŒ ã®PbF2ãšãçŽïŒã
15ã¢ã«ïŒ ã®LiFãå«ãçµæãæããããšãç¹åŸŽãš
ããç¹èš±è«æ±ã®ç¯å²ç¬¬ïŒé ã«èšèŒãããã¬ã©ã¹ç©
åã ïŒïŒ æ¬è³ªçã«CdF2ãAlF3ãPbF2ããã³LiFã
ããªãç¹èš±è«æ±ã®ç¯å²ç¬¬ïŒïŒé ã«èšèŒãããã¬ã©
ã¹ç©åã ïŒïŒ çµæ¶å枩床Txtalãã¬ã©ã¹è»¢ç§»æž©åºŠTgã
ããå°ãªããšã70âã ãé«ãããšãç¹åŸŽãšããç¹
èš±è«æ±ã®ç¯å²ç¬¬ïŒé ã«èšèŒãããã¬ã©ã¹ç©åã
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/528,256 US4537864A (en) | 1983-08-31 | 1983-08-31 | Metal fluoride glasses in the CdF2 -PbF2 -AlF3 -(LiF) system |
US528256 | 1983-08-31 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6054940A JPS6054940A (ja) | 1985-03-29 |
JPS6363500B2 true JPS6363500B2 (ja) | 1988-12-07 |
Family
ID=24104910
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP59080389A Granted JPS6054940A (ja) | 1983-08-31 | 1984-04-23 | ã¬ã©ã¹çµæç© |
Country Status (6)
Country | Link |
---|---|
US (1) | US4537864A (ja) |
EP (1) | EP0134065B1 (ja) |
JP (1) | JPS6054940A (ja) |
AT (1) | ATE30309T1 (ja) |
CA (1) | CA1209163A (ja) |
DE (1) | DE3466867D1 (ja) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4604118A (en) * | 1985-08-13 | 1986-08-05 | Corning Glass Works | Method for synthesizing MgO--Al2 O3 --SiO2 glasses and ceramics |
US4680044A (en) * | 1985-11-25 | 1987-07-14 | Hughes Aircraft Company | Method of modifying the refractive index of fluoride glass |
US4874222A (en) * | 1986-03-31 | 1989-10-17 | Spectran Corporation | Hermetic coatings for non-silica based optical fibers |
US4752593A (en) * | 1987-06-10 | 1988-06-21 | Corning Glass Works | Stabilized CdF2 -PbF2 -AlF3 -alkali fluoride glasses |
US4883339A (en) * | 1987-07-17 | 1989-11-28 | Spectran Corporation | Oxide coatings for fluoride glass |
US5055120A (en) * | 1987-12-15 | 1991-10-08 | Infrared Fiber Systems, Inc. | Fluoride glass fibers with reduced defects |
US4898603A (en) * | 1988-07-25 | 1990-02-06 | The United States Of America As Represented By The Secretary Of The Air Force | Method for manufacturing halide glass optical fiber |
US4938562A (en) * | 1989-07-14 | 1990-07-03 | Spectran Corporation | Oxide coatings for fluoride glass |
US5108477A (en) * | 1990-05-21 | 1992-04-28 | Corning Incorporated | Method for making a glass article |
US5278107A (en) * | 1991-11-27 | 1994-01-11 | Corning Incorporated | Optical parts and equipment using infrared athermal glasses |
FR2688778B1 (fr) * | 1992-03-20 | 1994-11-10 | Verre Fluore Sa | Verres fluores. |
JP3411067B2 (ja) * | 1993-08-27 | 2003-05-26 | æ ªåŒäŒç€Ÿäœç°å åŠã¬ã©ã¹ | æ³¢é·äžæ¹å€æéæåã¬ã©ã¹ã»ã©ããã¯ã¹ããã³ãã®è£œé æ¹æ³ |
DK201870129A1 (en) | 2018-02-27 | 2019-10-01 | Lego A/S | Process for manufacturing a mold component for injection molding |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2466509A (en) * | 1946-08-09 | 1949-04-05 | Eastman Kodak Co | Fluoride glass |
DE2156304C2 (de) * | 1971-11-12 | 1973-12-13 | Jenaer Glaswerk Schott & Gen., 6500 Mainz | Glasiges oder kristallines Material fur phototrope dÃŒnne Schichten |
DE2726170A1 (de) * | 1976-06-15 | 1977-12-29 | Anvar | Fluor-glas auf der basis eines glasartigen ternaeren systems von metall-fluoriden und verfahren zu dessen herstellung |
US4244722A (en) * | 1977-12-09 | 1981-01-13 | Noboru Tsuya | Method for manufacturing thin and flexible ribbon of dielectric material having high dielectric constant |
FR2445820A1 (fr) * | 1978-07-19 | 1980-08-01 | Marcoussis Laboratoires | Verre a effet laser |
FR2452469A1 (fr) * | 1979-03-28 | 1980-10-24 | Anvar | Nouveaux verres fluores, leur preparation et leur application |
US4308066A (en) * | 1979-10-30 | 1981-12-29 | Nippon Telegraph & Telephone Public Corporation | Glass for optical fibers |
FR2478618A1 (fr) * | 1980-03-18 | 1981-09-25 | Verre Fluore Sa | Nouveaux verres fluores |
JPS5751146A (en) * | 1980-09-09 | 1982-03-25 | Nippon Telegr & Teleph Corp <Ntt> | Preparation of raw material for fluoride optical fiber |
JPS57166328A (en) * | 1981-04-06 | 1982-10-13 | Nippon Telegr & Teleph Corp <Ntt> | Manufacturing of preform for fluoride optical fiber |
JPS57191240A (en) * | 1981-05-22 | 1982-11-25 | Nippon Telegr & Teleph Corp <Ntt> | Manufacturing of optical fiber preform for infrared ray transmission |
US4378987A (en) * | 1981-10-15 | 1983-04-05 | Corning Glass Works | Low temperature method for making optical fibers |
FR2521546A1 (fr) * | 1982-02-18 | 1983-08-19 | Centre Nat Rech Scient | Nouveaux verres halogenes, leur preparation et leur application |
-
1983
- 1983-08-31 US US06/528,256 patent/US4537864A/en not_active Expired - Lifetime
-
1984
- 1984-04-11 CA CA000451716A patent/CA1209163A/en not_active Expired
- 1984-04-17 EP EP84302617A patent/EP0134065B1/en not_active Expired
- 1984-04-17 DE DE8484302617T patent/DE3466867D1/de not_active Expired
- 1984-04-17 AT AT84302617T patent/ATE30309T1/de not_active IP Right Cessation
- 1984-04-23 JP JP59080389A patent/JPS6054940A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
ATE30309T1 (de) | 1987-11-15 |
EP0134065A1 (en) | 1985-03-13 |
DE3466867D1 (en) | 1987-11-26 |
EP0134065B1 (en) | 1987-10-21 |
JPS6054940A (ja) | 1985-03-29 |
US4537864A (en) | 1985-08-27 |
CA1209163A (en) | 1986-08-05 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPH01133957A (ja) | ããåç©ã¬ã©ã¹ããã³ãã®è£œé æ³ | |
Parker | Fluoride glasses | |
JPS6363500B2 (ja) | ||
US4845057A (en) | Halide glass | |
US4857487A (en) | Optical fluorophosphate glasses possessing positive anomalous partial dispersion and improved physico-chemical properties, and a process for their preparation | |
US4761387A (en) | Fluoride glass | |
US5081076A (en) | Low liquidus, stable heavy metal fluoride glass compositions | |
Iqbal et al. | Synthesis, characterization, and potential application of highly chemically durable glasses based on AlF3 | |
JPS62502042A (ja) | ééå±åŒåç©ã¬ã©ã¹ã®åå¿æ§é°å²æ°åŠçæ³ | |
JPH0428655B2 (ja) | ||
JP3080708B2 (ja) | æ°ããïœïŒŠïŒç³»ããåç©ã¬ã©ã¹ | |
Poulain | Fluoride glass composition and processing | |
US4752593A (en) | Stabilized CdF2 -PbF2 -AlF3 -alkali fluoride glasses | |
US5204292A (en) | Optical glass for a press lens | |
JP3145136B2 (ja) | èµ€å€ç·ééããåç©ã¬ã©ã¹ | |
JPH11343139A (ja) | ããã²ã³åç©ã³ã¢ã¬ã©ã¹çšã¯ã©ããã¬ã©ã¹çµæç©åã³ããã²ã³åç©ã¯ã©ããã¬ã©ã¹è¢«èŠçšã¬ã©ã¹çµæç© | |
JPS63144141A (ja) | åŒçé žå¡©å åŠã¬ã©ã¹ | |
Parker et al. | Optical properties of halide glasses | |
JPH0416526A (ja) | 軜éåŒçé žå¡©å åŠã¬ã©ã¹ | |
JPH05279077A (ja) | åŒåç©ã¬ã©ã¹ | |
JP3667798B2 (ja) | ããåç©ã¬ã©ã¹ | |
JPS60195032A (ja) | èµ€å€ééã¬ã©ã¹ | |
JPH05124834A (ja) | åŒåç©ã¬ã©ã¹ | |
KeâLi et al. | The formation and properties of glass in the ZrF4âBaF2âThF4 system | |
JPH02293347A (ja) | ããåç©ã¬ã©ã¹å ãã¡ã€ã |