1986-09-18
1989-06-20
Arnold, Bruce Y.
350419, G02B 2740
Patent
active
048404730
ABSTRACT:
An optical device is composed by sandwiching a deformable member between sandwiching members. The deformable member has a shear modulus decreasing toward the inside. The deformable member may be a combination of a core and a coating with different shear moduli or a single body having a continuoudly decreasing shear modulus. The sandwiching members may be a flat plate either transparent or opaque or a lens with or without reflecting film. Because of inner soft and outer hard elastic nature of the deformable member, the sandwiching members can easily change their relative position to change an optical path and an imaging position of the optical device with good durability.
REFERENCES:
patent: 4614405 (1986-09-01), Brandenberg et al.
Baba Takeshi
Kushibiki Nobuo
Matsugu Masakazu
Nakajima Toshiyuki
Niwa Yukichi
Arnold Bruce Y.
Canon Kabushiki Kaisha
Gass Rebecca D.
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