Patent ID: 11972931
Assignee: ENERGETIQ TECHNOLOGY, INC.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H  C | IPC C  H

Claim 15:
16. A light emitting sealed body comprising:
a housing which stores a discharge gas in an internal space and is provided with a first window portion to which first light is incident and a second window portion from which second light is emitted, wherein the first light is laser light for maintaining plasma generated in the discharge gas and the second light is light from the plasma, wherein the first window portion includes a first opening which is formed in the housing and a first window member that hermetically seals the first opening and transmits the first light, and wherein the second window portion includes a second opening which is formed in the housing and a second window member that hermetically seals the second opening and transmits the second light,
wherein the housing includes at least one extension space which is partitioned from the internal space and extends toward at least one of the first window portion and the second window portion, wherein the extension space is formed so as to communicate with at least one of the first opening and the second opening,
wherein each of the first window member and the second window member is hermetically fixed to the housing by a joining material, and
wherein a protection layer which covers the joining material is provided at at least one of a first joining position between the first window member and the housing and a second joining position between the second window member and the housing.