Coherent light generators – Particular resonant cavity – Specified cavity component
Patent
1990-04-03
1990-12-18
Scott, Jr., Leon
Coherent light generators
Particular resonant cavity
Specified cavity component
372 57, 372 65, 372103, 372109, H01S 308
Patent
active
049791818
ABSTRACT:
In a vacuum laser irradiating apparatus disposed between a laser generator and a vacuum vessel in which an object to be irradiated with a laser beam is placed, an outer window plate is airtightly fixed to the outer opening of the apparatus body to maintain the internal cavity of the apparatus body under a vacuum and to pass the laser beam therethrough. This outer window plate is reinforced so as not to be distorted due to pressure difference between an inside vacuum of the apparatus body and an outside atmospheric pressure. This is because the outer window plate is made of an expensive pure monocrystalline material and therefore it is preferably to reduce the thickness thereof for material cost reduction.
Aoshiba Mitsunori
Koyama Naoyuki
Motegi Tadao
Nakanose Megumi
Jr. Leon Scott
Nissan Motor Co,. Ltd.
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