JP2002245908A5 - - Google Patents
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- Publication number
- JP2002245908A5 JP2002245908A5 JP2001037324A JP2001037324A JP2002245908A5 JP 2002245908 A5 JP2002245908 A5 JP 2002245908A5 JP 2001037324 A JP2001037324 A JP 2001037324A JP 2001037324 A JP2001037324 A JP 2001037324A JP 2002245908 A5 JP2002245908 A5 JP 2002245908A5
- Authority
- JP
- Japan
- Prior art keywords
- electrical contact
- electrode
- vacuum valve
- ppm
- refractory metal
- 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.)
- Pending
Links
- 239000003870 refractory metal Substances 0.000 claims 18
- 229910052751 metal Inorganic materials 0.000 claims 15
- 239000002184 metal Substances 0.000 claims 15
- 239000000956 alloy Substances 0.000 claims 14
- 229910045601 alloy Inorganic materials 0.000 claims 14
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical group [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims 8
- 229910052760 oxygen Inorganic materials 0.000 claims 8
- 239000001301 oxygen Substances 0.000 claims 8
- 238000005219 brazing Methods 0.000 claims 7
- 239000000843 powder Substances 0.000 claims 7
- 239000007790 solid phase Substances 0.000 claims 7
- 238000009792 diffusion process Methods 0.000 claims 6
- 238000004519 manufacturing process Methods 0.000 claims 6
- 230000003014 reinforcing effect Effects 0.000 claims 6
- 239000011812 mixed powder Substances 0.000 claims 3
- 239000004020 conductor Substances 0.000 claims 2
- 238000010438 heat treatment Methods 0.000 claims 2
- 238000000034 method Methods 0.000 claims 2
- 238000000465 moulding Methods 0.000 claims 2
- 238000005245 sintering Methods 0.000 claims 2
- 229910052790 beryllium Inorganic materials 0.000 claims 1
- 229910052804 chromium Inorganic materials 0.000 claims 1
- 229910052802 copper Inorganic materials 0.000 claims 1
- 229910052737 gold Inorganic materials 0.000 claims 1
- 229910052735 hafnium Inorganic materials 0.000 claims 1
- 229910052741 iridium Inorganic materials 0.000 claims 1
- 238000005304 joining Methods 0.000 claims 1
- 150000002739 metals Chemical class 0.000 claims 1
- 239000000203 mixture Substances 0.000 claims 1
- 229910052750 molybdenum Inorganic materials 0.000 claims 1
- 229910052758 niobium Inorganic materials 0.000 claims 1
- 239000002245 particle Substances 0.000 claims 1
- 229910052697 platinum Inorganic materials 0.000 claims 1
- 229910052707 ruthenium Inorganic materials 0.000 claims 1
- 229910052709 silver Inorganic materials 0.000 claims 1
- 229910052715 tantalum Inorganic materials 0.000 claims 1
- 229910052721 tungsten Inorganic materials 0.000 claims 1
- 229910052726 zirconium Inorganic materials 0.000 claims 1
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001037324A JP2002245908A (ja) | 2001-02-14 | 2001-02-14 | 真空遮断器に用いる真空バルブ用電極とその製造法及び真空バルブ並びに真空遮断器と真空バルブ電極用電気接点 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001037324A JP2002245908A (ja) | 2001-02-14 | 2001-02-14 | 真空遮断器に用いる真空バルブ用電極とその製造法及び真空バルブ並びに真空遮断器と真空バルブ電極用電気接点 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2002245908A JP2002245908A (ja) | 2002-08-30 |
| JP2002245908A5 true JP2002245908A5 (enExample) | 2005-03-17 |
Family
ID=18900467
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2001037324A Pending JP2002245908A (ja) | 2001-02-14 | 2001-02-14 | 真空遮断器に用いる真空バルブ用電極とその製造法及び真空バルブ並びに真空遮断器と真空バルブ電極用電気接点 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2002245908A (enExample) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4455066B2 (ja) | 2004-01-08 | 2010-04-21 | 株式会社日立製作所 | 電気接点部材とその製法及びそれを用いた真空バルブ並びに真空遮断器 |
| JP4855836B2 (ja) * | 2006-05-30 | 2012-01-18 | 株式会社東芝 | 真空バルブの接点と通電軸の製造方法 |
| US10601170B2 (en) * | 2017-10-12 | 2020-03-24 | Thomas & Betts International Llc | Solid dielectric deadfront electrical switch assembly |
-
2001
- 2001-02-14 JP JP2001037324A patent/JP2002245908A/ja active Pending
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