JPH0544417B2 - - Google Patents
Info
- Publication number
- JPH0544417B2 JPH0544417B2 JP30298687A JP30298687A JPH0544417B2 JP H0544417 B2 JPH0544417 B2 JP H0544417B2 JP 30298687 A JP30298687 A JP 30298687A JP 30298687 A JP30298687 A JP 30298687A JP H0544417 B2 JPH0544417 B2 JP H0544417B2
- Authority
- JP
- Japan
- Prior art keywords
- glass
- vacuum
- envelope
- mechanical strength
- vacuum switch
- 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 - Lifetime
Links
- 239000011521 glass Substances 0.000 claims description 25
- 238000002425 crystallisation Methods 0.000 claims description 8
- 230000008025 crystallization Effects 0.000 claims description 8
- 229910018068 Li 2 O Inorganic materials 0.000 claims description 6
- 229910018072 Al 2 O 3 Inorganic materials 0.000 claims description 3
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 3
- 230000007774 longterm Effects 0.000 description 6
- 238000007789 sealing Methods 0.000 description 5
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 4
- 239000000919 ceramic Substances 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 230000007423 decrease Effects 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000004859 Copal Substances 0.000 description 1
- 241000782205 Guibourtia conjugata Species 0.000 description 1
- KKCBUQHMOMHUOY-UHFFFAOYSA-N Na2O Inorganic materials [O-2].[Na+].[Na+] KKCBUQHMOMHUOY-UHFFFAOYSA-N 0.000 description 1
- 206010040925 Skin striae Diseases 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
- 238000007496 glass forming Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000001465 metallisation Methods 0.000 description 1
- 239000006060 molten glass Substances 0.000 description 1
- 239000002667 nucleating agent Substances 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 JPH01145348A (ja) | 1989-06-07 |
| JPH0544417B2 true 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) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| WO2000034196A2 (en) * | 1998-12-11 | 2000-06-15 | Jeneric/Pentron Incorporated | Pressable lithium disilicate glass ceramics |
-
1987
- 1987-11-30 JP JP30298687A patent/JPH01145348A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPH01145348A (ja) | 1989-06-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4060423A (en) | High-temperature glass composition | |
| US5883030A (en) | Glass composition | |
| US4441051A (en) | Lamp seal glass | |
| JPS5824385B2 (ja) | 繊維ガラス組成物 | |
| JP2000103637A (ja) | 汎用無鉛ガラス及び電球 | |
| CA2134258C (en) | Electric lamp with lead free glass | |
| US2743553A (en) | Metal sealing glass and seal | |
| JP2614782B2 (ja) | 金属に対するガラスシール作製用シールガラス | |
| JPH11335133A (ja) | 表示装置用基板ガラス | |
| US5977001A (en) | Glass composition | |
| JPH0544417B2 (enrdf_load_stackoverflow) | ||
| JP3204626B2 (ja) | 照明用ガラス組成物 | |
| JP2663577B2 (ja) | 封着用組成物 | |
| WO1999001393A1 (fr) | Composition de verre pour fibres | |
| KR100340694B1 (ko) | 용융밀봉,밀봉물질 및 이를 이용한 음극선관(crt)인벨롭의 제조방법 | |
| US4089694A (en) | Glass composition | |
| JP3770670B2 (ja) | 表示装置用基板ガラス | |
| JPS6114091B2 (enrdf_load_stackoverflow) | ||
| US3294557A (en) | Electrically resistant glass compositions | |
| EP0156526B1 (en) | Low pbo - containing glass for electrical devices | |
| JP2000143286A (ja) | 鉛溶出の少ない管ガラス | |
| KR0175317B1 (ko) | 전기 장치용 무산화납 유리 | |
| US4609632A (en) | Glass compositions with low dielectric losses | |
| JPH0558671A (ja) | 赤外線吸収ガラス | |
| JPS6357373B2 (enrdf_load_stackoverflow) |