Microwave generated electrodeless lamp for producing bright output
Patent 4507587 Issued on March 26, 1985. Estimated Expiration Date: 
May 24, 2002. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
May 24, 2002. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 3374393 3609448 3641389 3787705 3826950 3872349 3911318 Termination fixture for an electrodeless lamp High frequency excited electrodeless light source Microwave generated radiation apparatus InventorsAssigneeApplicationNo. 06/381482 filed on 05/24/1982US Classes:315/39, Discharge device load with distributed parameter-type transmission line (e.g., wave-guide, coaxial cable)315/248, Induction-type discharge device load315/344Electromagnetic influenced discharge deviceExaminersPrimary: Chatmon, Saxfield Jr.Attorney, Agent or FirmInternational ClassH01J 65/04 (20060101)AbstractA microwave generated electrodeless light source for producing a bright output comprising a lamp structure including a microwave chamber and a plasma medium-containing lamp envelope having a maximum dimension which is substantially less than a wavelength disposed therein. To provide the desired radiation output the interior of the chamber is coated with a UV-reflective material and the chamber has an opening for allowing UV radiation to exit, which is covered with a metallic mesh. The chamber is arranged to be near-resonant at a single wavelength, and the lamp envelope has a fill including mercury at an operating pressure of 1-2 atmospheres, while a power density of at least 250-300 (watts/cm3) is coupled to the envelope to result in a relatively high deep UV output at a relatively high brightness. | |
