Abstract: An RFID tag includes: a tag main body having a communication antenna, a circuit chip electrically connected to the antenna to perform wireless communication via the antenna, and a tabular sealing member in which the antenna and the circuit chip are enclosed; a print layer formed on a first surface of the tag main body by printing; and a protective film that covers the print layer. The print layer is formed only in a central area of the first surface surrounded by a marginal area of the first surface extending along the outer edge of the first surface. The protective film includes a covering portion that covers the print layer and an adhering portion that lies off the print layer while surrounding the outer edge of the print layer and adheres to the first surface.

Abstract: An antenna includes a dielectric substrate, a ground electrode provided on a first surface of the dielectric substrate, a first antenna element and a second antenna elements provided to a second surface of the dielectric substrate, the first and second antenna elements having an identical resonance frequency and an identical Q value, a transmission line connecting the first and second antenna elements, and a feed part provided in the transmission line.

Abstract: The present invention relates to a RFID (Radio Frequency IDentification) tag for exchanging information with an external device in a non-contact manner, and aims to provide a RFID tag having an external shape of a belt, which fits articles made of various kinds of materials. The RFID tag includes: an inlay having an antenna and a circuit chip incorporating a communication circuit for wireless communications via the antenna, an enclosure that encloses the inlay, a flexible belt that surrounds an article to attach the enclosure to the article, and a spacer fixed to a surface of the enclosure on the article side, deforming in response to deformation of the belt to maintain a spacing between the article and the enclosure.

Abstract: A radio-frequency identification (RFID) tag includes: a plate-shaped sealing piece made of an elastic material. An inlet is enclosed within the sealing piece. The inlet includes an electronic component and an antenna connected to the electronic component. A pair of reinforcing pieces are located respectively on the front and back surfaces of the sealing piece so as to sandwich the electronic component. The reinforcing pieces are made of a first material harder than the elastic material. A joint piece configured to couple the reinforcing pieces to each other. The joint piece is made of a second material harder than the elastic material.

Abstract: A method of manufacturing RFID tags. A base sheet member is formed by fixedly attaching unit base substrates to a belt-like first sheet member at predetermined space intervals. Each unit base substrate is formed with an antenna pattern and has a non-contact communication-type IC chip mounted thereon. An upper-layer sheet member is formed by arranging reinforcing members between elastic, belt-like second and third sheet members, and is laminated on a surface of the first sheet member toward the unit base substrates such that each IC chip and each reinforcing member overlap each other in plan view. Regions each containing one unit base substrate are sequentially cut out from a laminate of the upper-layer sheet member and the base sheet member, thereby making RFID units.

Abstract: The invention provides a high purity carbonaceous material which is reduced in contents of oxygen, nitrogen and chlorine readily binding to carbon atoms and in contents of elements, phosphorus, sulfur and boron, readily binding to carbon atoms upon heating and which can be used in producing single crystals such as semiconductors, a high purity carbonaceous material for use as a substrate for ceramic layer coating, and a ceramic layer-coated high purity carbonaceous material. The high purity carbonaceous material has oxygen content of 1×1018 atoms/cm3 or less as determined by SIMS. Its chlorine content is preferably 1×1016 atoms/cm3 or less as determined by SIMS, and its nitrogen content is preferably 5×1018 atoms/cm3 or less as determined by SIMS. Its phosphorus, sulfur and boron contents are preferably not higher than respective specified values. Such a high purity carbonaceous material is coated with ceramic layer.

Abstract: An RFID tag includes: a tag member in which a communication antenna is wired on a predetermined base and a circuit chip which carries out radio communication through the antenna is electrically connected to the antenna, a covering body which covers the tag member and encloses the tag member therein, a reflection plate which reflects radio communication radio wave and which extends along the base, and a spacer sandwiched between the covering body and the reflection plate.

Abstract: An RFID tag includes an inlay which has a base, an antenna formed on the base, and an IC chip. The IC chip is enclosed in a surface mount package and soldered to the antenna and carries out radio communication through the antenna. The RFID tag further includes underfill that fills a gap between the base and the surface mount package, and a sheath protecting material enclosing the entire inlay.

Abstract: An RFID tag includes: a tag main body having a communication antenna, a circuit chip electrically connected to the antenna to perform wireless communication via the antenna, and a tabular sealing member in which the antenna and the circuit chip are enclosed; a print layer formed on a first surface of the tag main body by printing; and a protective film that covers the print layer. The print layer is formed only in a central area of the first surface surrounded by a marginal area of the first surface extending along the outer edge of the first surface. The protective film includes a covering portion that covers the print layer and an adhering portion that lies off the print layer while surrounding the outer edge of the print layer and adheres to the first surface.

Abstract: A highly corrosion-resistant SiC material is formed on a base body by a CVD process. The SiC material contains ?-SiC crystals so oriented that the ratio of the sum of peak intensities of x-ray diffraction for (220) and (311) planes of the ?-Sic csystals to the sum of peak intensities of x-ray diffraction for (111), (200), (220), (311) and (222) planes Of the ?-SiC crystals is 0.15 or above. The SiC material may contain both ?-SiC crystals and ?-SiC crystals of 6H structure. A base body with a SiC material by a CVD process is used as an internal component member of a semiconductor device fabricating system.

Abstract: A highly corrosion-resistant SiC material is formed on a base body by a CVD process. The SiC material contains ?-SiC crystals so oriented that the ratio of the sum of peak intensities of x-ray diffraction for (220) and (311) planes of the ?-Sic csystals to the sum of peak intensities of x-ray diffraction for (111), (200), (220), (311) and (222) planes Of the ?-SiC crystals is 0.15 or above. The SiC material may contain both ?-SiC crystals and ?-SiC crystals of 6H structure. A base body with a SiC material by a CVD process is used as an internal component member of a semiconductor device fabricating system.

Abstract: A highly corrosion-resistant SiC material is formed on a base body by a CVD process. The SiC material contains ?-SiC crystals so oriented that the ratio of the sum of peak intensities of x-ray diffraction for (220) and (311) planes of the ?-SiC csystals to the sum of peak intensities of x-ray diffraction for (111), (200), (220), (311) and (222) planes of the ?-Sic crystals is 0.15 or above. The SiC material may contain both ?-SiC crystals and ?-SiC crystals of 6H structure. A base body with a SiC material by a CVD process is used as an internal component member of a semiconductor device fabricating system.

Abstract: The invention provides a high purity carbonaceous material which is reduced in contents of oxygen, nitrogen and chlorine readily binding to carbon atoms and in contents of elements, phosphorus, sulfur and boron, readily binding to carbon atoms upon heating and which can be used in producing single crystals such as semiconductors, a high purity carbonaceous material for use as a substrate for ceramic layer coating, and a ceramic layer-coated high purity carbonaceous material. The high purity carbonaceous material has oxygen content of 1×1018 atoms/cm3 or less as determined by SIMS. Its chlorine content is preferably 1×1016 atoms/cm3 or less as determined by SIMS, and its nitrogen content is preferably 5×1018 atoms/cm3 or less as determined by SIMS. Its phosphorus, sulfur and boron contents are preferably not higher than respective specified values. Such a high purity carbonaceous material is coated with ceramic layer.