Patent · US Active

Electrode structures for discharge lamps

US8610350B2 · kind B2 · utility

0Cited by

13References

15Claims

0Family size

Assignee

OSRAM Gesellschaft mit beschraenkter Haftung · DE

Inventors

Simon Lankes · Falkensee, DE
Alan Lenef · Belmont, US

Key dates

Filing date	Dec 15, 2009
Grant date	Dec 17, 2013
Priority date	—
Expiry date	Mar 29, 2030

Classification

Technology area (CPC H)Electricity
CPC primaryH01J61/0732
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

An electrode structure configured to operate in a discharge lamp and a method to make such an electrode structure are described. The electrode structure includes an electrode head portion comprising a plurality of raised features arranged in a configuration such that an average pitch of the plurality of raised features is at least 105%. The method includes providing an electrode configured to operate in the discharge lamp and forming raised features on an electrode head portion of the electrode at an average pitch of at least 105%.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.