JPS5530072B2 - - Google Patents
Info
- Publication number
- JPS5530072B2 JPS5530072B2 JP6540575A JP6540575A JPS5530072B2 JP S5530072 B2 JPS5530072 B2 JP S5530072B2 JP 6540575 A JP6540575 A JP 6540575A JP 6540575 A JP6540575 A JP 6540575A JP S5530072 B2 JPS5530072 B2 JP S5530072B2
- Authority
- JP
- Japan
- 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
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
- H01J9/02—Manufacture of electrodes or electrode systems
- H01J9/14—Manufacture of electrodes or electrode systems of non-emitting electrodes
- H01J9/142—Manufacture of electrodes or electrode systems of non-emitting electrodes of shadow-masks for colour television tubes
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Preparing Plates And Mask In Photomechanical Process (AREA)
- ing And Chemical Polishing (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6540575A JPS51142268A (en) | 1975-06-02 | 1975-06-02 | Method of making rectangular hole by etching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6540575A JPS51142268A (en) | 1975-06-02 | 1975-06-02 | Method of making rectangular hole by etching |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS51142268A JPS51142268A (en) | 1976-12-07 |
| JPS5530072B2 true JPS5530072B2 (fr) | 1980-08-08 |
Family
ID=13286068
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6540575A Granted JPS51142268A (en) | 1975-06-02 | 1975-06-02 | Method of making rectangular hole by etching |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS51142268A (fr) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6147039A (ja) * | 1984-08-13 | 1986-03-07 | Dainippon Screen Mfg Co Ltd | スロツト状孔シヤドウマスクの製造方法 |
-
1975
- 1975-06-02 JP JP6540575A patent/JPS51142268A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS51142268A (en) | 1976-12-07 |