Invention Grant
- Patent Title: SINTERED BODY AND ELECTRIC LAMP
- Patent Title (中): FORM烧结体及电灯
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Application No.: EP02783485.2Application Date: 2002-12-18
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Publication No.: EP1463691B1Publication Date: 2006-06-14
- Inventor: VRIES, Franciscus, L., G. , KEES, Antonie, H., M.
- Applicant: Koninklijke Philips Electronics N.V.
- Applicant Address: Groenewoudseweg 1 5621 BA Eindhoven NL
- Assignee: Koninklijke Philips Electronics N.V.
- Current Assignee: Koninklijke Philips Electronics N.V.
- Current Assignee Address: Groenewoudseweg 1 5621 BA Eindhoven NL
- Agency: Dusseldorp, Jan Charles
- Priority: EP02075223 20020104
- International Announcement: WO2003059839 20030724
- Main IPC: C04B35/111
- IPC: C04B35/111 ; C04B35/115 ; H01J61/30
Abstract:
The sintered body of gastight translucent polycrystalline alumina contains oxidic magnesium, an oxidic second metal selected from erbium, holmium, thulium and dysprosium, and oxidic zirconium. The body can be used in a lamp vessel of an electric lamp.
Public/Granted literature
- EP1463691A1 SINTERED BODY AND ELECTRIC LAMP Public/Granted day:2004-10-06
Information query
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