JPH01106063U - - Google Patents
Info
- Publication number
- JPH01106063U JPH01106063U JP32388U JP32388U JPH01106063U JP H01106063 U JPH01106063 U JP H01106063U JP 32388 U JP32388 U JP 32388U JP 32388 U JP32388 U JP 32388U JP H01106063 U JPH01106063 U JP H01106063U
- Authority
- JP
- Japan
- Prior art keywords
- electrode
- envelope
- discharge lamp
- sealed
- reduced diameter
- 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
- 239000004020 conductor Substances 0.000 claims description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims 1
- 239000011888 foil Substances 0.000 claims 1
- 239000002184 metal Substances 0.000 claims 1
- 238000007789 sealing Methods 0.000 description 2
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
Landscapes
- Discharge Lamp (AREA)
- Vessels And Coating Films For Discharge Lamps (AREA)
Description
第１図は超高圧水銀放電ランプの断面図、第２
図は第１図の―線における断面図である。
１……封体、２……封止部、３……発光部、３
１……縮径部、４，５……電極、４１，５１……
胴部、４２，５２……箔付部、６……封着導電体
、Ｄ……縮径部の外径、ｄ……胴部の直径。
Figure 1 is a cross-sectional view of an ultra-high pressure mercury discharge lamp, Figure 2
The figure is a sectional view taken along the line -- in FIG. 1... Sealing body, 2... Sealing part, 3... Light emitting part, 3
1... Reduced diameter part, 4, 5... Electrode, 41, 51...
Body part, 42, 52...Foiled part, 6...Sealed conductor, D...Outer diameter of reduced diameter part, d...Diameter of body part.
Claims (1)
なる封着導電体が埋設され、この封着導電体を介
して外部リードと電極が接続され、この電極の胴
部が封体の縮径部にて支持されて管軸に沿つて保
持される放電灯において、 前記電極の胴部の直径をｄ、封体の縮径部の外
径をＤとしたとき、Ｄ／ｄ≧２．７であることを
特徴とする放電灯。[Claim for Utility Model Registration] A sealed conductor made of metal foil is embedded in the sealed portions at both ends of the quartz glass envelope, and an external lead and an electrode are connected through this sealed conductor. In a discharge lamp in which the body of the electrode is supported by the reduced diameter part of the envelope and held along the tube axis, the diameter of the body of the electrode is d, and the outer diameter of the reduced diameter part of the envelope is D. A discharge lamp characterized in that: D/d≧2.7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP32388U JPH01106063U (en) | 1988-01-07 | 1988-01-07 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP32388U JPH01106063U (en) | 1988-01-07 | 1988-01-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01106063U true JPH01106063U (en) | 1989-07-17 |
Family
ID=31199246
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP32388U Pending JPH01106063U (en) | 1988-01-07 | 1988-01-07 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01106063U (en) |
-
1988
- 1988-01-07 JP JP32388U patent/JPH01106063U/ja active Pending