JPH0570274B2 - - Google Patents
Info
- Publication number
- JPH0570274B2 JPH0570274B2 JP11656184A JP11656184A JPH0570274B2 JP H0570274 B2 JPH0570274 B2 JP H0570274B2 JP 11656184 A JP11656184 A JP 11656184A JP 11656184 A JP11656184 A JP 11656184A JP H0570274 B2 JPH0570274 B2 JP H0570274B2
- Authority
- JP
- Japan
- Prior art keywords
- chip
- spark plug
- stress relaxation
- layer
- relaxation layer
- 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
- 238000004519 manufacturing process Methods 0.000 claims description 20
- 238000000034 method Methods 0.000 claims description 19
- 229910000510 noble metal Inorganic materials 0.000 claims description 18
- 238000002485 combustion reaction Methods 0.000 claims description 16
- 230000003746 surface roughness Effects 0.000 claims description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 239000010949 copper Substances 0.000 claims description 4
- 238000007747 plating Methods 0.000 claims description 4
- 238000007740 vapor deposition Methods 0.000 claims description 3
- 229910001020 Au alloy Inorganic materials 0.000 claims description 2
- 229910000881 Cu alloy Inorganic materials 0.000 claims description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 2
- 229910052737 gold Inorganic materials 0.000 claims description 2
- 239000010931 gold Substances 0.000 claims description 2
- 239000003353 gold alloy Substances 0.000 claims description 2
- 239000010409 thin film Substances 0.000 claims 3
- 238000004381 surface treatment Methods 0.000 claims 1
- 239000010410 layer Substances 0.000 description 60
- 230000035882 stress Effects 0.000 description 39
- 239000000463 material Substances 0.000 description 9
- 238000005304 joining Methods 0.000 description 5
- 238000003466 welding Methods 0.000 description 5
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 4
- 229910001260 Pt alloy Inorganic materials 0.000 description 3
- 239000002131 composite material Substances 0.000 description 3
- 229910000575 Ir alloy Inorganic materials 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- GKOZUEZYRPOHIO-UHFFFAOYSA-N iridium atom Chemical compound [Ir] GKOZUEZYRPOHIO-UHFFFAOYSA-N 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 239000010970 precious metal Substances 0.000 description 2
- 238000011282 treatment Methods 0.000 description 2
- 229910001080 W alloy Inorganic materials 0.000 description 1
- 239000010953 base metal Substances 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 238000005488 sandblasting Methods 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 230000008646 thermal stress Effects 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
Landscapes
- Ignition Installations For Internal Combustion Engines (AREA)
- Spark Plugs (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11656184A JPS60262374A (ja) | 1984-06-08 | 1984-06-08 | 内燃機関用スパ−クプラグの製造方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11656184A JPS60262374A (ja) | 1984-06-08 | 1984-06-08 | 内燃機関用スパ−クプラグの製造方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60262374A JPS60262374A (ja) | 1985-12-25 |
| JPH0570274B2 true JPH0570274B2 (enrdf_load_stackoverflow) | 1993-10-04 |
Family
ID=14690155
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11656184A Granted JPS60262374A (ja) | 1984-06-08 | 1984-06-08 | 内燃機関用スパ−クプラグの製造方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60262374A (enrdf_load_stackoverflow) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3301094B2 (ja) * | 1991-12-13 | 2002-07-15 | 株式会社デンソー | 内燃機関用スパークプラグおよびその製造方法 |
| DE10011705A1 (de) * | 2000-03-10 | 2001-09-13 | Bosch Gmbh Robert | Zündkerze für eine Brennkraftmaschine und Verfahren zur Herstellung einer Mittelelektrode für eine Zündkerze einer Brennkraftmaschine |
| JP4028256B2 (ja) | 2002-02-27 | 2007-12-26 | 日本特殊陶業株式会社 | スパークプラグの製造方法 |
| WO2007062352A2 (en) | 2005-11-18 | 2007-05-31 | Federal-Mogul Corporation | Spark plug with multi-layer firing tip |
| JP4714249B2 (ja) * | 2008-09-08 | 2011-06-29 | 日本特殊陶業株式会社 | スパークプラグ |
| CN103094842A (zh) * | 2013-01-18 | 2013-05-08 | 株洲湘火炬火花塞有限责任公司 | 一种火花塞复合电极头制作方法及复合电极头带 |
-
1984
- 1984-06-08 JP JP11656184A patent/JPS60262374A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS60262374A (ja) | 1985-12-25 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |