Ceramic electrode for a high-pressure discharge lamp
View Patent ↗An electrode for a high-pressure discharge lamp may include a shaft and a head mounted thereon, wherein at least a section of the head includes ceramic material, wherein the ceramic material is a boride or carbide.
1. An electrode for a high-pressure discharge lamp, comprising:
shaft and a head mounted thereon,
wherein the head comprises a base body,
wherein at least a section of the head comprises ceramic material,
wherein the ceramic material is a mixture of Ta carbide and Hf carbide.
2. The electrode as claimed in claim 1 ,
wherein at least one layer is arranged on the base body, the base body being made from metal.
3. The electrode as claimed in claim 2 ,
wherein the layer consists of a mixture of Ta carbide and Hf carbide.
4. The electrode as claimed in claim 1 ,
wherein the head is fabricated entirely from ceramic material.
5. The electrode as claimed in claim 2 ,
wherein the layer is produced in accordance with a sol-gel technique.
6. The electrode as claimed in claim 4 ,
wherein the shaft is also fabricated from ceramic material.