KR890002948A - 수상관용 음극구조체의 흑화처리방법 - Google Patents
수상관용 음극구조체의 흑화처리방법 Download PDFInfo
- Publication number
- KR890002948A KR890002948A KR1019870008439A KR870008439A KR890002948A KR 890002948 A KR890002948 A KR 890002948A KR 1019870008439 A KR1019870008439 A KR 1019870008439A KR 870008439 A KR870008439 A KR 870008439A KR 890002948 A KR890002948 A KR 890002948A
- Authority
- KR
- South Korea
- Prior art keywords
- treatment method
- blackening treatment
- water pipe
- cathode structure
- blackened
- Prior art date
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
- H01J9/04—Manufacture of electrodes or electrode systems of thermionic cathodes
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Manufacture Of Electron Tubes, Discharge Lamp Vessels, Lead-In Wires, And The Like (AREA)
- Solid Thermionic Cathode (AREA)
Abstract
내용 없음
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제 5 도는 수상관 동작시간에 따른 포화전류의 변화를 보인 설명도. 제 6 도는 본 발명에 따른 부분 흑화처리된 음극구조체의 구성을보인 단면도. 제 7 도는 본 발명에 따른 부분 흑화처리된 음극구조체의 분해 사시도.
Claims (1)
- 상부 및 하부에 캐소드 캡(4) 및 홀더(1)가 용접되는 슬리이브(33)를 습식수소로에 넣고 가열하여 흑화처리하는 흑화처리방법에 있어서, 상기 흑화처리된 슬리이브(33)를 지그에 삽입하여 상기 캐소드 캡(4) 및 홀더(1)가 용접되는 상.하부를 노출시키고, 습식수소로에서 H2를 -25oC로 공급하면서 열처리하여 그 노출된 부위를 환원처리함을 특징으로 하는 수상관용 음극구조체의 흑화처리방법.※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019870008439A KR900004176B1 (ko) | 1987-07-31 | 1987-07-31 | 수상관용 음극구조체의 흑화처리방법 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019870008439A KR900004176B1 (ko) | 1987-07-31 | 1987-07-31 | 수상관용 음극구조체의 흑화처리방법 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR890002948A true KR890002948A (ko) | 1989-04-11 |
| KR900004176B1 KR900004176B1 (ko) | 1990-06-18 |
Family
ID=19263497
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019870008439A KR900004176B1 (ko) | 1987-07-31 | 1987-07-31 | 수상관용 음극구조체의 흑화처리방법 |
Country Status (1)
| Country | Link |
|---|---|
| KR (1) | KR900004176B1 (ko) |
-
1987
- 1987-07-31 KR KR1019870008439A patent/KR900004176B1/ko not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| KR900004176B1 (ko) | 1990-06-18 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A201 | Request for examination | ||
| E902 | Notification of reason for refusal | ||
| G160 | Decision to publish patent application | ||
| E701 | Decision to grant or registration of patent right | ||
| GRNT | Written decision to grant | ||
| FPAY | Annual fee payment |
Payment date: 20020516 Year of fee payment: 13 |
|
| LAPS | Lapse due to unpaid annual fee |