JPH01145348A - 真空開閉器用外囲器バルブ - Google Patents
真空開閉器用外囲器バルブInfo
- Publication number
- JPH01145348A JPH01145348A JP30298687A JP30298687A JPH01145348A JP H01145348 A JPH01145348 A JP H01145348A JP 30298687 A JP30298687 A JP 30298687A JP 30298687 A JP30298687 A JP 30298687A JP H01145348 A JPH01145348 A JP H01145348A
- Authority
- JP
- Japan
- Prior art keywords
- glass
- vacuum
- mechanical strength
- envelope
- crystallized 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.)
- Granted
Links
- 239000011521 glass Substances 0.000 claims abstract description 29
- 238000002425 crystallisation Methods 0.000 claims description 8
- 230000008025 crystallization Effects 0.000 claims description 8
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 239000000203 mixture Substances 0.000 abstract description 3
- GOLCXWYRSKYTSP-UHFFFAOYSA-N Arsenious Acid Chemical compound O1[As]2O[As]1O2 GOLCXWYRSKYTSP-UHFFFAOYSA-N 0.000 abstract 4
- KKCBUQHMOMHUOY-UHFFFAOYSA-N Na2O Inorganic materials [O-2].[Na+].[Na+] KKCBUQHMOMHUOY-UHFFFAOYSA-N 0.000 abstract 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract 2
- FUJCRWPEOMXPAD-UHFFFAOYSA-N Li2O Inorganic materials [Li+].[Li+].[O-2] FUJCRWPEOMXPAD-UHFFFAOYSA-N 0.000 abstract 1
- 229910052681 coesite Inorganic materials 0.000 abstract 1
- 229910052593 corundum Inorganic materials 0.000 abstract 1
- 229910052906 cristobalite Inorganic materials 0.000 abstract 1
- XUCJHNOBJLKZNU-UHFFFAOYSA-M dilithium;hydroxide Chemical compound [Li+].[Li+].[OH-] XUCJHNOBJLKZNU-UHFFFAOYSA-M 0.000 abstract 1
- 239000000377 silicon dioxide Substances 0.000 abstract 1
- 235000012239 silicon dioxide Nutrition 0.000 abstract 1
- 229910052682 stishovite Inorganic materials 0.000 abstract 1
- 229910052905 tridymite Inorganic materials 0.000 abstract 1
- 229910001845 yogo sapphire Inorganic materials 0.000 abstract 1
- 230000007774 longterm Effects 0.000 description 7
- 238000007789 sealing Methods 0.000 description 5
- 239000000919 ceramic Substances 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 239000000126 substance Substances 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 206010040925 Skin striae Diseases 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000008395 clarifying agent Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004031 devitrification Methods 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 229910000833 kovar Inorganic materials 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 238000001465 metallisation Methods 0.000 description 1
- 239000006060 molten glass Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000006911 nucleation Effects 0.000 description 1
- 238000010899 nucleation Methods 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 238000003466 welding 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
- C03C10/00—Devitrified glass ceramics, i.e. glass ceramics having a crystalline phase dispersed in a glassy phase and constituting at least 50% by weight of the total composition
- C03C10/0018—Devitrified glass ceramics, i.e. glass ceramics having a crystalline phase dispersed in a glassy phase and constituting at least 50% by weight of the total composition containing SiO2, Al2O3 and monovalent metal oxide as main constituents
- C03C10/0027—Devitrified glass ceramics, i.e. glass ceramics having a crystalline phase dispersed in a glassy phase and constituting at least 50% by weight of the total composition containing SiO2, Al2O3 and monovalent metal oxide as main constituents containing SiO2, Al2O3, Li2O as main constituents
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Crystallography & Structural Chemistry (AREA)
- Dispersion Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Glass Compositions (AREA)
- High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP30298687A JPH01145348A (ja) | 1987-11-30 | 1987-11-30 | 真空開閉器用外囲器バルブ |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP30298687A JPH01145348A (ja) | 1987-11-30 | 1987-11-30 | 真空開閉器用外囲器バルブ |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01145348A true JPH01145348A (ja) | 1989-06-07 |
| JPH0544417B2 JPH0544417B2 (enrdf_load_stackoverflow) | 1993-07-06 |
Family
ID=17915556
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP30298687A Granted JPH01145348A (ja) | 1987-11-30 | 1987-11-30 | 真空開閉器用外囲器バルブ |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01145348A (enrdf_load_stackoverflow) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2000034196A3 (en) * | 1998-12-11 | 2000-11-16 | Jeneric Pentron Inc | Pressable lithium disilicate glass ceramics |
| US6517623B1 (en) * | 1998-12-11 | 2003-02-11 | Jeneric/Pentron, Inc. | Lithium disilicate glass ceramics |
| JP2007039335A (ja) * | 1998-11-24 | 2007-02-15 | Nippon Electric Glass Co Ltd | セラミックス物品の製造方法 |
-
1987
- 1987-11-30 JP JP30298687A patent/JPH01145348A/ja active Granted
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007039335A (ja) * | 1998-11-24 | 2007-02-15 | Nippon Electric Glass Co Ltd | セラミックス物品の製造方法 |
| WO2000034196A3 (en) * | 1998-12-11 | 2000-11-16 | Jeneric Pentron Inc | Pressable lithium disilicate glass ceramics |
| US6455451B1 (en) * | 1998-12-11 | 2002-09-24 | Jeneric/Pentron, Inc. | Pressable lithium disilicate glass ceramics |
| US6517623B1 (en) * | 1998-12-11 | 2003-02-11 | Jeneric/Pentron, Inc. | Lithium disilicate glass ceramics |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0544417B2 (enrdf_load_stackoverflow) | 1993-07-06 |
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