JPH037749B2 - - Google Patents
Info
- Publication number
- JPH037749B2 JPH037749B2 JP56154876A JP15487681A JPH037749B2 JP H037749 B2 JPH037749 B2 JP H037749B2 JP 56154876 A JP56154876 A JP 56154876A JP 15487681 A JP15487681 A JP 15487681A JP H037749 B2 JPH037749 B2 JP H037749B2
- Authority
- JP
- Japan
- Prior art keywords
- pores
- tungsten
- temperature
- filament
- wire
- 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
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 23
- 239000011148 porous material Substances 0.000 claims description 21
- 239000000463 material Substances 0.000 claims description 7
- 239000002019 doping agent Substances 0.000 description 10
- 229910052721 tungsten Inorganic materials 0.000 description 9
- 239000010937 tungsten Substances 0.000 description 9
- 238000000034 method Methods 0.000 description 7
- 239000013078 crystal Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 229910052736 halogen Inorganic materials 0.000 description 4
- 150000002367 halogens Chemical class 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 238000007665 sagging Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 238000001953 recrystallisation Methods 0.000 description 3
- 238000005245 sintering Methods 0.000 description 3
- 238000005491 wire drawing Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 2
- 229910001080 W alloy Inorganic materials 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 229910052700 potassium Inorganic materials 0.000 description 2
- 239000011591 potassium Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- DECCZIUVGMLHKQ-UHFFFAOYSA-N rhenium tungsten Chemical compound [W].[Re] DECCZIUVGMLHKQ-UHFFFAOYSA-N 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000002028 premature Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
Landscapes
- Heat Treatment Of Nonferrous Metals Or Alloys (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15487681A JPS5858260A (ja) | 1981-10-01 | 1981-10-01 | 管球用タングステン線材 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15487681A JPS5858260A (ja) | 1981-10-01 | 1981-10-01 | 管球用タングステン線材 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5858260A JPS5858260A (ja) | 1983-04-06 |
| JPH037749B2 true JPH037749B2 (US07829113-20101109-C00009.png) | 1991-02-04 |
Family
ID=15593862
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15487681A Granted JPS5858260A (ja) | 1981-10-01 | 1981-10-01 | 管球用タングステン線材 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5858260A (US07829113-20101109-C00009.png) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS49123153A (US07829113-20101109-C00009.png) * | 1973-03-31 | 1974-11-25 | ||
| JPS50127815A (US07829113-20101109-C00009.png) * | 1974-03-28 | 1975-10-08 |
-
1981
- 1981-10-01 JP JP15487681A patent/JPS5858260A/ja active Granted
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS49123153A (US07829113-20101109-C00009.png) * | 1973-03-31 | 1974-11-25 | ||
| JPS50127815A (US07829113-20101109-C00009.png) * | 1974-03-28 | 1975-10-08 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5858260A (ja) | 1983-04-06 |
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