JPH0270355U - - Google Patents
Info
- Publication number
- JPH0270355U JPH0270355U JP15100088U JP15100088U JPH0270355U JP H0270355 U JPH0270355 U JP H0270355U JP 15100088 U JP15100088 U JP 15100088U JP 15100088 U JP15100088 U JP 15100088U JP H0270355 U JPH0270355 U JP H0270355U
- Authority
- JP
- Japan
- Prior art keywords
- glass tube
- gas
- phosphor
- tube
- coated
- 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
- 239000011521 glass Substances 0.000 claims description 6
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Discharge Lamps And Accessories Thereof (AREA)
- Vessels And Coating Films For Discharge Lamps (AREA)
Description
第1図は本案の一実施例の略断面図である。
1……外側ガラス管、2……内側ガラス管、3
……気体、4……フイラメント、5……リード線
。
FIG. 1 is a schematic sectional view of an embodiment of the present invention. 1... Outer glass tube, 2... Inner glass tube, 3
...Gas, 4...Filament, 5...Lead wire.
Claims (1)
ガラス管の外周を包囲する外側ガラス管と、双方
のガラス管の間に収容された一気圧の空気より小
さい熱伝導率を有する気体とを有する蛍光管。 It has an inner glass tube whose inner surface is coated with a phosphor, an outer glass tube surrounding the outer periphery of the inner glass tube, and a gas having a thermal conductivity lower than air at one atmosphere contained between both glass tubes. Fluorescent tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15100088U JPH0270355U (en) | 1988-11-18 | 1988-11-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15100088U JPH0270355U (en) | 1988-11-18 | 1988-11-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0270355U true JPH0270355U (en) | 1990-05-29 |
Family
ID=31424652
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15100088U Pending JPH0270355U (en) | 1988-11-18 | 1988-11-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0270355U (en) |
-
1988
- 1988-11-18 JP JP15100088U patent/JPH0270355U/ja active Pending