Abstract:
A lens device (10) is constituted of a lens barrel (12), and first to third lenses (14) to (16) accommodated in the lens barrel (12). The first to the third lenses (14) to (16) are formed from plastic nanocomposite material that is plastic material in which inorganic fine particles are dispersed. First to third cushioning members (18a) to (18c) are provided between rim surfaces of edge portions (14b) to (16b) of the first to the third lenses (14) to (16) and inner circumferential surfaces of the lens barrel (12), respectively. Thus, corner portions (14c) to (16c) of the first to the third lenses (14) to (16) are prevented from chipping on contact with the inner circumferential surfaces of the lens barrel (12).
Abstract:
A method for molding an optical member (65) from a material of a nanocomposite resin (61) which includes a thermoplastic resin containing inorganic fine particles is provided. The method includes: charging a solution containing a solvent and the nanocomposite resin into a vessel (17) providing at least an optical surface shape (19a) and an opening (12) to an atmosphere, and evaporating the solvent from the opening to solidify and form an optical surface of the optical member into a finished shape.
Abstract:
A taking optical system of a digital camera is constituted of an aperture stop (4), a first lens (5), a second lens (6) and a plane parallel plate (7). The first lens (5) is composed of a plastic lens formed of a conventional plastic material, and has a refractive index of 1.510. The second lens (6) is an optical lens made of a nanocomposite material formed by mixing inorganic fine particles into a thermoplastic polymer having a functional group, bind chemically to the inorganic fine particles, in at least one of a main chain end and a side chain, and has a refractive index of 1.654. The parallel plate (7) is composed of a glass having a refractive index of 1.516. Even when the second lens (6) is the plastic lens, the taking optical system can be made compact and achieves sufficient refractive index without deteriorating the transmittance properties thereof.
Abstract:
An organic-inorganic hybrid composition comprising inorganic fine particles and a thermoplastic resin, wherein the thermoplastic resin has a structure in which a functional group capable of forming a chemical bond with the inorganic fine particles bonds to a main chain of the resin via a linking chain having a chain length of 4 or more atoms.
Abstract:
A method for manufacturing an optical member (11) is provided and includes: discharging a droplet (51) of a solution a transparent thermoplastic resin and solidifying the droplet on a substrate (13) on a basis of profile data of the optical member to shape the optical member, in which a process of discharging droplets of the solution on different positions of the substrate and solidifying the droplets by drying is repeated a plurality of times to height according to the profile data; and separating the shaped optical member from the substrate.
Abstract:
A second lens (15) of a concave meniscus type is formed from a plastic nanocomposite material. An approximately annular flange (15b) is formed along an outer periphery of a lens body portion (15a). The lens body portion (15a) and the flange (15b) are formed to satisfy 1
Abstract:
A method for plasma processing, e.g., etching and film formation, using a microwave plasma. Microwaves of a specific mode are locally generated. The diffusion distance of the microwaves is so determined that the microwaves are diffused and propagated in a specific mode. The cross-sectional area of the propagating space of the microwaves is gradually changed over the distance. After propagated through the distance, the microwaves are introduced into a plasma discharging area. In the plasma discharging area, a plasma whose plasma density distribution at the central part of the plasma is higher than that at the peripheral part is generated, so that a sample in the processing chamber is processed uniformly.
Abstract:
An atomizer suitable for the type which is mounted to the neck of a container to pump up and spray a liquid contained in the container. Spraying referred to herein means making fine particles out of the liquid to jet the same in an atomized manner or mixing the liquid in the form of fine particles with air to jet the resulting mixture in a bubble-like manner. A baffle plate (50) is retractably provided in front of a discharge nozzle (21) whereby spraying is varied in configuration according as the baffle plate (50) is retracted or not.
Abstract:
Disclosed is a monosaccharide production process which enables the production of a monosaccharide from a lignocellulose raw material. The process comprises: preparing a saccharified liquid from the lignocellulose raw material and a saccharification enzyme; adsorbing the saccharification enzyme contained in the saccharified liquid onto the lignocellulose raw material to collect the saccharification enzyme; and saccharifying the lignocellulose raw material with the saccharification enzyme.
Abstract:
A preform for press working which is an aggregate with fluidity and a manufacturing method thereof are provided, the preform being obtained by a method comprising: aggregating a thermoplastic resin containing inorganic fine particles supplied as a powder-particle material while at least partially maintaining a state of the powder-particle material.