Hitachi Metals, Ltd.

Proterial, Ltd.

Naoto Teraki

Masamichi Kishi

Takanobu Watanabe

Seiichi Kashimura

Yuriko Kiyokane

Yohei Shirakawa

Kazuhiro Fujimoto

Yoshitake Ageishi

A coating film is provided in a cable, a medical hollow tube, a molded article and a hollow tube. The coating film is formed from a rubber composition including a rubber component and fine particles. A static friction coefficient on a surface of the coating film is 0.5 or less. When the coating film is subjected to a testing such that a long fiber non-woven fabric including cotton linters including an alcohol for disinfection with a length of 50 mm along a wiping direction is brought contiguous to the surface of the coating film at a shearing stress of 2×10MPa to 4×10MPa, followed by wiping off the surface of the coating film at a speed of 80 times/min to 120 times/min and 20,000 repetitions thereof for a wiping direction length of 150 mm, a difference (an absolute value of a difference) between the static friction coefficients of the coating film before and after the testing is not greater than 0.1.

Molded article and hollow tube

A cable includes a sheath, and a coating film covering a circumference of the sheath, the coating film adhering to the sheath. The coating film is formed from a rubber composition including a rubber component and fine particles. A static friction coefficient on a surface of the coating film is 0.5 or less. When the coating film is subjected to a testing such that a long fiber non-woven fabric including cotton linters including an alcohol for disinfection with a length of 50 mm along a wiping direction is brought contiguous to the surface of the coating film at a shearing stress of 2×10MPa to 4×10MPa, followed by wiping off the surface of the coating film at a speed of 80 times/min to 120 times/min and 20,000 repetitions thereof for a wiping direction length of 150 mm, a difference (an absolute value of a difference) between the static friction coefficients of the coating film before and after the testing is not greater than 0.1.

Cable and medical hollow tube

A coating film is provided in a cable, a medical hollow tube, a molded article and a hollow tube. The coating film is formed from a rubber composition including a rubber component and fine particles. A static friction coefficient on a surface of the coating film is 0.5 or less. When the coating film is subjected to a testing such that a long fiber non-woven fabric including cotton linters including an alcohol for disinfection with a length of 50 mm along a wiping direction is brought contiguous to the surface of the coating film at a shearing stress of 2&#xd7;10MPa to 4&#xd7;10MPa, followed by wiping off the surface of the coating film at a speed of 80 times/min to 120 times/min and 20,000 repetitions thereof for a wiping direction length of 150 mm, a difference (an absolute value of a difference) between the static friction coefficients of the coating film before and after the testing is not greater than 0.1.

A cable includes a sheath, and a coating film covering a circumference of the sheath, the coating film adhering to the sheath. The coating film is formed from a rubber composition including a rubber component and fine particles. A static friction coefficient on a surface of the coating film is 0.5 or less. When the coating film is subjected to a testing such that a long fiber non-woven fabric including cotton linters including an alcohol for disinfection with a length of 50 mm along a wiping direction is brought contiguous to the surface of the coating film at a shearing stress of 2&#xd7;10MPa to 4&#xd7;10MPa, followed by wiping off the surface of the coating film at a speed of 80 times/min to 120 times/min and 20,000 repetitions thereof for a wiping direction length of 150 mm, a difference (an absolute value of a difference) between the static friction coefficients of the coating film before and after the testing is not greater than 0.1.

An electromagnetic coupler includes a first plane, a plurality of conductive patterns formed on the first plane and spaced apart from each other, a second plane parallel to the first plane, a ground pattern formed on the second plane and connected to ground, a first linear conductor formed to have a length shorter than &#xbc; a wavelength equivalent to a frequency used, the first linear conductor being connected at one end to one conductive pattern of the plural conductive patterns, and fed between an other end of the first linear conductor and the ground pattern, and a plurality of second linear conductors formed to have a length shorter than &#xbc; the wavelength equivalent to the frequency used, one or more of the second linear conductors being formed for each of the plural conductive patterns, to connect each of the plural conductive patterns and the ground pattern.

Electromagnetic coupler and information communication device with same mounted thereon

An antenna includes an antenna element to transmit or receive electromagnetic signals, and a ground conductor to be grounded. The antenna element includes two conductors arranged substantially parallel to each other, a power feed portion provided between one conductor of the two conductors and the ground conductor, and connected to a feed system, a shorting portion for electrically connecting an other conductor of the two conductors and the ground conductor, and a conductor connecting portion for electrically connecting the two conductors together. The distance between the two conductors is not more than 1/100 a wavelength equivalent to a minimum frequency of operating frequencies of the antenna.

Antenna and wireless device having same

There is provided an electromagnetic coupler, which includes: a first conductor pattern and at least one second conductor pattern separated from the first conductor pattern, the first conductor pattern and the at least one second conductor pattern being formed in a first conductor layer; a feed pattern connected to a feeding system and a ground pattern separated from the feed pattern, the feed pattern and the ground pattern being composed of a conductor and formed in a second conductor layer; and a plurality of linear conductors electrically connecting the first conductor pattern with the feed pattern and connecting the second conductor pattern with the ground pattern, the plurality of linear conductors being formed between the first conductor layer and the second conductor layer. Furthermore, the first conductor layer and the second conductor layer are parallel to each other.

Electromagnetic coupler and information communication device including same

An electromagnetic coupler including a conductor pattern formed in a first conductor layer, a feed pattern connected to a feeding system and a ground pattern separated from the feed pattern. The feed pattern and the ground pattern are formed in a second conductor layer parallel to the first conductor layer. A first linear conductor and a plurality of second linear conductors are formed perpendicularly to the first and the second conductor layers. The first linear conductor connects the conductor pattern and the feed pattern. The plurality of second linear conductors connects the conductor pattern and the ground pattern. In addition, the conductor pattern is symmetrical in shape with respect to the connection point between the conductor pattern and the first linear conductor. The plurality of second linear conductors are symmetrical in position with respect to the first linear conductor in a planar view.

Growing community of inventors

Takahagi, Japan

Naoto Teraki