Plastic article or earthenware shaping or treating: apparatus – Means applying electrical or wave energy directly to work – Radiated energy
Patent
1997-01-22
2000-02-01
Vargot, Mathieu D.
Plastic article or earthenware shaping or treating: apparatus
Means applying electrical or wave energy directly to work
Radiated energy
21912168, 21912175, 2191217, 264400, B23K 2606
Patent
active
060195894
ABSTRACT:
A laser processing apparatus is provided with a light source to generate laser beam, a lens to guide laser beam to a predetermined portion of a blank that becomes a structural member of a liquid jet recording head, a split prism arranged on the optical path between the light source and the lens. This laser processing apparatus is arranged to further include a rotary mechanism capable of rotating the lens centering on the optical axis of the laser beam. With the structure thus arranged, it is possible to prevent the lens from being locally damaged by the irradiation of laser beam, thus making the life of the lens longer, while reducing the frequency of lens replacements. This arrangement leads to the implementation of a significant reduction of maintenance costs of the apparatus, as well as to the simplified manufacture of a liquid jet recording head at lower costs.
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Goto Akira
Hasegawa Toshinori
Ishimatsu Shin
Canon Kabushiki Kaisha
Vargot Mathieu D.
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