Back to results
US 2026/0280217 A1Published application
Laser chamber and electronic device manufacturing method
AssigneeGigaphoton Inc.
InventorHitoshi OHGA
Life of this patent
Estimating the term…
Abstract
A laser chamber includes a housing having an inner wall including a plurality of guide components provided with a gap, the guide component having an inclined surface by which the gap is narrowed toward an opening at an interior side of the housing; a pair of discharge electrodes arranged at the interior; and a fan arranged at the interior and configured to cause a laser gas at the interior to circulate along the inner wall.
Claims20
A laser chamber comprising:
- a housing having an inner wall including a plurality of guide components provided with a gap, the guide component having an inclined surface by which the gap is narrowed toward an opening at an interior side of the housing;
- a pair of discharge electrodes arranged at the interior;
- and
- a fan arranged at the interior and configured to cause a laser gas at the interior to circulate along the inner wall.
1 more element
An electronic device manufacturing method, comprising:
- generating laser light using a laser device;
- outputting the laser light to an exposure apparatus;
- and
- exposing a photosensitive substrate to the laser light in the exposure apparatus to manufacture an electronic device,
- the laser device including an optical resonator, and a laser chamber arranged on an optical path of the optical resonator, and
- the laser chamber including:
- a housing having an inner wall including a plurality of guide components provided with a gap, the guide component having an inclined surface by which the gap is narrowed toward an opening at an interior side of the housing;
- a pair of discharge electrodes arranged at the interior;
- and
- a fan arranged at the interior and configured to cause a laser gas at the interior to circulate along the inner wall.
7 more elements
Dependencies are inferred from the claim text.