Canon Kabushiki Kaisha

Toru Aruga

Kiyoshi Yamamoto

Hidehiko Fujimura

Fumitaka Yoshimura

Isamu Shigyo

Masaaki Ogura

Masaaki Yokota

A method for manufacturing an airtight vessel seals an evacuation tube after evacuating the inside of the vessel using the evacuation tube. A getter previously disposed in the vessel is activated followed by fusing a part of the evacuation tube to seal the vessel while heating the vessel.

Method for manufacturing airtight vessel and image-forming apparatus using airtight vessel

There is disclosed an apparatus for producing optical elements, provided with a conveyor for transporting carriers for materials of optical elements into an evacuatable process chamber, and with a heating system for the material supported by the carrier, a forming system for the material supported by the carrier while the material is heated by the heating system, and a system for depositing a thin film to the material formed by the forming system and supported by the carrier.

Apparatus for producing optical element

Growing community of inventors

Yokohama, Japan

Toru Aruga