Method for forming phosphor layer of gas discharge tube and method for fabricating phosphor layer supporting member
US6969292B2 · kind B2 · utility
40Cited by
4References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 21, 2004 |
| Grant date | Nov 29, 2005 |
| Priority date | — |
| Expiry date | Jan 25, 2024 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01J9/22
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A phosphor layer is formed efficiently in a gas discharge tube by drawing a mother material to fabricate a supporting member which is insertable in a small glass tube used for a gas discharge tube, forming a phosphor layer on the supporting member, and inserting and placing the supporting member in the small glass tube.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.