摘要:
In an optical disk recording and reproducing device which uses an optical disk having at least a first recording layer and a second recording layer, a thickness of a spacer section between the first recording layer and the second recording layer is measured, an amount of defocus with respect to the second recording layer is set based on the measured spacer thickness, and a focus servo operation is performed for focusing the laser light irradiated from an optical pickup device on the second recording layer.
摘要:
In an optical disk recording and reproducing device which uses an optical disk having at least a first recording layer and a second recording layer, a thickness of a spacer section between the first recording layer and the second recording layer is measured, an amount of defocus with respect to the second recording layer is set based on the measured spacer thickness, and a focus servo operation is performed for focusing the laser light irradiated from an optical pickup device on the second recording layer.
摘要:
The invention provides a flexible tube for an endoscope, which is excellent in elasticity (impact resilience), has suitable flexibility and also has chemical resistance. Disclosed is a flexible tube for an endoscope including a flexible-tube material covered thereon with a jacket, wherein the jacket contains two or more thermoplastic polyester elastomers crosslinked therein.
摘要:
Moldings of fluoro rubbers produced by crosslinking a tetrafluoroethylene/propylene copolymer or a tetrafluoroethylene/propylene/vinylidene fluoride copolymer, which have metal contents of 1.5% by mass or below in terms of metal elements and are suitable for use applications necessitating clean environment, for example, manufacturing or carrier equipment for semiconductors, manufacturing equipment, carriers, or storage containers for food, or medical supplies.
摘要:
The present invention relates to a fluororubber molded article obtained by subjecting a fluororubber composition to crosslinking by irradiation of ionizing radiation, wherein the fluororubber composition comprises: (i) a raw rubber having a metal element content of 1.5% or less and comprising a tetrafluoroethylene-propylene copolymer; and (ii) a prepolymer of triallyl isocyanurate. Also disclosed is a method for producing the fluororubber molded article.
摘要:
Moldings of fluoro rubbers produced by crosslinking a tetrafluoroethylene/propylene copolymer or a tetrafluoroethylene/propylene/vinylidene fluoride copolymer, which have metal contents of 1.5% by mass or below in terms of metal elements and are suitable for use applications necessitating clean environment, for example, manufacturing or carrier equipment for semiconductors, manufacturing equipment, carriers, or storage containers for food, or medical supplies.
摘要:
A flexible tube for an endoscope, which has a surface coated with an outer covering, wherein the outer covering is formed of a material comprising a polyolefin thermoplastic elastomer. The flexible tube is excellent not only in resistance to a washing liquid, a sterilizing liquid and a high-pressure steam sterilization but also in impact resilience, the flexible tube also having appropriate flexibility.