JPS61190660U - - Google Patents
Info
- Publication number
- JPS61190660U JPS61190660U JP7477185U JP7477185U JPS61190660U JP S61190660 U JPS61190660 U JP S61190660U JP 7477185 U JP7477185 U JP 7477185U JP 7477185 U JP7477185 U JP 7477185U JP S61190660 U JPS61190660 U JP S61190660U
- Authority
- JP
- Japan
- Prior art keywords
- insulating layer
- electrode
- arc tube
- cermet disk
- disk
- 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 4
- 239000002184 metal Substances 0.000 claims 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims 1
- 239000000919 ceramic Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 239000003566 sealing material Substances 0.000 description 1
Landscapes
- Vessels And Coating Films For Discharge Lamps (AREA)
Description
第１図は本考案に従う閉塞体で透光性セラミツ
ク管の両端部を閉塞した発光管を備えたＨＩＤラ
ンプの一例を示す切欠概略図であり、第２図はそ
のようなＨＩＤランプの発光管の端部を拡大して
示す要部断面説明図であり、第３図乃至第５図は
それぞれ本考案の他の例を示す第２図に対応する
図である。
２：バルブ、４：口金、６：発光管、８：リー
ド部材、１０：導電性部材、１２：透光性セラミ
ツクス管、１４：導電性デイスク、１６：電極、
１８：導電性デイスク電極側表面、２０：絶縁層
、２２：突部、２４：間隙、３０：シーリング材
。
FIG. 1 is a schematic cutaway diagram showing an example of an HID lamp equipped with an arc tube in which both ends of a translucent ceramic tube are closed with a closing member according to the present invention, and FIG. 2 is a schematic cutaway view of an arc tube of such an HID lamp. FIG. 3 is an explanatory cross-sectional view of a main part showing an enlarged end portion of the present invention, and FIGS. 3 to 5 are views corresponding to FIG. 2 showing other examples of the present invention. 2: bulb, 4: cap, 6: arc tube, 8: lead member, 10: conductive member, 12: translucent ceramic tube, 14: conductive disk, 16: electrode,
18: conductive disk electrode side surface, 20: insulating layer, 22: protrusion, 24: gap, 30: sealing material.
Claims (1)
する導電性のサーメツトデイスクからなる閉塞体
において、該サーメツトデイスクの電極側表面部
に電気絶縁層を設けると共に、該絶縁層の表面を
、該サーメツトデイスクの略中央部に立設せしめ
られた電極の周囲において、該サーメツトデイス
ク周縁部に位置する絶縁層表面よりも電極立設方
向に突出させ、かつ該絶縁層と該電極との間に所
定間隔の隙間を設けてなることを特徴とする高圧
金属蒸気放電灯用発光管端部閉塞体。 (2) 前記電気絶縁層が、アルミナからなること
を特徴とする実用新案登録請求の範囲第１項記載
の高圧金属蒸気放電灯用発光管端部閉塞体。[Claims for Utility Model Registration] (1) In a closing body consisting of a conductive cermet disk that supports a predetermined electrode and closes the end of the arc tube, the surface of the cermet disk on the electrode side is electrically insulated. At the same time as providing a layer, the surface of the insulating layer is arranged around an electrode erected approximately at the center of the cermet disk in a direction in which the electrode is erected than the surface of the insulating layer located at the periphery of the cermet disk. 1. An arc tube end closure for a high-pressure metal vapor discharge lamp, characterized in that the insulating layer protrudes and a gap is provided at a predetermined interval between the insulating layer and the electrode. (2) The arc tube end closure for a high-pressure metal vapor discharge lamp according to claim 1, wherein the electrical insulating layer is made of alumina.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7477185U JPS61190660U (en) | 1985-05-20 | 1985-05-20 | |
| US06/799,836 US4731561A (en) | 1984-12-17 | 1985-11-20 | Ceramic envelope device for high-pressure discharge lamp |
| EP85308840A EP0186348B1 (en) | 1984-12-17 | 1985-12-04 | Ceramic envelope device for high-pressure discharge lamp |
| DE8585308840T DE3582134D1 (en) | 1984-12-17 | 1985-12-04 | CERAMIC PISTON FOR HIGH PRESSURE DISCHARGE LAMP. |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7477185U JPS61190660U (en) | 1985-05-20 | 1985-05-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61190660U true JPS61190660U (en) | 1986-11-27 |
Family
ID=30615371
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7477185U Pending JPS61190660U (en) | 1984-12-17 | 1985-05-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61190660U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58137951A (en) * | 1982-02-10 | 1983-08-16 | Kyoritsu Denki Kk | Extra-high pressure electric-discharge lamp |
-
1985
- 1985-05-20 JP JP7477185U patent/JPS61190660U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58137951A (en) * | 1982-02-10 | 1983-08-16 | Kyoritsu Denki Kk | Extra-high pressure electric-discharge lamp |
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