JPS62195968U - - Google Patents
Info
- Publication number
- JPS62195968U JPS62195968U JP8339686U JP8339686U JPS62195968U JP S62195968 U JPS62195968 U JP S62195968U JP 8339686 U JP8339686 U JP 8339686U JP 8339686 U JP8339686 U JP 8339686U JP S62195968 U JPS62195968 U JP S62195968U
- Authority
- JP
- Japan
- Prior art keywords
- conductive cermet
- tube
- translucent ceramic
- ceramic tube
- cermet
- 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
- 239000011195 cermet Substances 0.000 claims description 7
- 239000000919 ceramic Substances 0.000 claims description 5
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 238000005245 sintering Methods 0.000 claims 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims 1
- 229910052721 tungsten Inorganic materials 0.000 claims 1
- 239000010937 tungsten Substances 0.000 claims 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- 239000011247 coating layer Substances 0.000 description 2
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
Landscapes
- Vessels And Coating Films For Discharge Lamps (AREA)
Description
第１図は、従来の高圧金属蒸気放電灯の発光管
の一部断面図、第２図は、本考案に係る高圧金属
蒸気放電灯の発光管端部一体化焼結部の一部断面
図である。
第１図において、１…透光性セラミツク管、２
…電極、３…導電性サーメツト、４…接着剤、５
…一体化焼結部、６…外部リード棒、７…アルミ
ナコーテイング層。第２図において、１…透光性
セラミツク管、２…電極、３…導電性サーメツト
一体化焼結部、４…外部リード棒、５…アルミナ
コーテイング層をそれぞれ示している。
FIG. 1 is a partial sectional view of an arc tube of a conventional high-pressure metal vapor discharge lamp, and FIG. 2 is a partial sectional view of an integrated sintered portion of the arc tube end of a high-pressure metal vapor discharge lamp according to the present invention. It is. In FIG. 1, 1...translucent ceramic tube, 2
...electrode, 3...conductive cermet, 4...adhesive, 5
...Integrated sintered part, 6...External lead rod, 7...Alumina coating layer. In FIG. 2, 1... translucent ceramic tube, 2... electrode, 3... conductive cermet integrated sintered part, 4... external lead rod, 5... alumina coating layer are shown, respectively.
Claims (1)
電性サーメツト製の端キヤツプの一端を、一体化
焼結により気密に固定してなる発光管において、
その一体化焼結部位の導電性サーメツトが、透光
性セラミツク管より、発光管管軸方向外側に長く
突き出ており、かつ導電性サーメツトの外径の１
／３より細いタングステン棒が、透光性セラミツ
ク管円筒内にかからない深さの導電性サーメツト
内にまで埋設されている構造を持つことを特徴と
する高圧金属蒸気放電灯用発光管。 In an arc tube formed by integrally sintering one end of a conductive cermet end cap equipped with an electrode at the end of a translucent ceramic tube,
The conductive cermet of the integrated sintered part protrudes outward from the translucent ceramic tube in the axial direction of the luminous tube, and has a conductive cermet of 1 part of the outer diameter of the conductive cermet.
1. A luminous tube for a high-pressure metal vapor discharge lamp, characterized in that a tungsten rod thinner than /3 is embedded in a conductive cermet to a depth that does not extend into the cylindrical part of a translucent ceramic tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8339686U JPS62195968U (en) | 1986-05-31 | 1986-05-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8339686U JPS62195968U (en) | 1986-05-31 | 1986-05-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62195968U true JPS62195968U (en) | 1987-12-12 |
Family
ID=30936944
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8339686U Pending JPS62195968U (en) | 1986-05-31 | 1986-05-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62195968U (en) |
-
1986
- 1986-05-31 JP JP8339686U patent/JPS62195968U/ja active Pending
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