Abstract: An RFID tag board includes an insulating substrate provided with a first surface conductor, a second surface conductor, a short-circuit part through conductor, a capacitance conductor, a capacitance part through conductor, a first electrode and a second electrode. The short-circuit part through conductor electrically connects the first surface conductor and the second surface conductor. The capacitance conductor faces at least part of one of the first and second surface conductors to form a capacitance element. The capacitance part through conductor electrically connects the capacitance conductor and the other one of the first and second surface conductors. First and second conductors of the capacitance element are electrically connected to the first and second electrodes, respectively, not via the short-circuit part through conductor.

Abstract: An RFID tag board includes a circuit board and a radiation member. The circuit board includes a dielectric substrate, a radiation conductor, a ground conductor, a connection conductor, a first electrode and a second electrode. The dielectric substrate includes a first surface, a second surface and a recess. The second surface is opposite to the first surface, and is a mounting surface to be mounted on an article. The radiation conductor is on the first surface of the dielectric substrate. The ground conductor is on the second surface of the dielectric substrate. The connection conductor electrically connects the radiation conductor and the ground conductor. The first electrode and the second electrode are in the recess. The radiation member is fixed to the first surface of the circuit board.

Abstract: An alkaline development-type curable resin composition having an excellent strength against tearing, breaking, distortion and torsion, and excellent toughness, a cured product of the curable resin composition, a printed circuit board having the cured product, and a process for manufacturing the cured product are disclosed. A curable resin composition is obtained, which contains (A) a thermoplastic resin, (B) a thermosetting component, (C) an alkali-soluble component, and at least one of (D-1) a photopolymerization initiator and (D-2) a photo-base generator, the thermoplastic resin (A) having two or more glass transition points including two glass transition points Tgx and Tgy, which satisfy Tgx>30° C. and Tgy<0° C. and the thermosetting component (B) having a glass transition point Tgz, which satisfies Tgz?Tgy+20° C. Moreover, a cured product of the curable resin composition, a printed circuit board having the cured product, and a process for manufacturing the cured product are obtained.

Abstract: An alkaline development-type curable resin composition having an excellent strength against tearing, breaking, distortion and torsion, and excellent toughness, a cured product of the curable resin composition, a printed circuit board having the cured product, and a process for manufacturing the cured product are disclosed. A curable resin composition is obtained, which contains (A) a thermoplastic resin, (B) a thermosetting component, (C) an alkali-soluble component, and at least one of (D-1) a photopolymerization initiator and (D-2) a photo-base generator, the thermoplastic resin (A) having two or more glass transition points including two glass transition points Tgx and Tgy, which satisfy Tgx>30° C. and Tgy<0° C. and the thermosetting component (B) having a glass transition point Tgz, which satisfies Tgz?Tgy+20° C. Moreover, a cured product of the curable resin composition, a printed circuit board having the cured product, and a process for manufacturing the cured product are obtained.

Abstract: Canister-shaped magnetic reinforcing elements 31, 32 made of a ferromagnetic material having a Curie temperature higher than magnetic yokes 11, 12 are provided inside the magnetic yokes 11, 12. The inner periphery 31a, 32a of an opening in each of the magnetic reinforcing elements 31, 32 is opposed to the outer periphery 51a, 52a of each of pole piece tops 51, 52. A torquer coil 61, 62 is located between the inner periphery 31a, 32a of the opening in each of the magnetic reinforcing elements 31, 32 and the outer periphery 51a, 52a of each pole piece top 51, 52. The magnetic reinforcing elements 31, 32 provided inside the magnetic yokes 11, 12 form independent magnetic circuits. Since the magnetic reinforcing elements 31, 32 have a Curie temperature higher than the magnetic yokes 11, 12, a high accuracy of acceleration measurement in a high-temperature range can be achieved.

Abstract: A servo accelerometer has a pair of housings having a tubular part, one end opened and the other end closed with a closing part. A frame that supports a pendulum is held between the housings. A permanent magnet is attached to each of the closing parts with a bottom pole piece interposed therebetween. Coils arranged in annular magnetic gaps are attached to the pendulum. The closing part has a recess, and the bottom pole piece is disposed in the recess. The outer circumference of the bottom pole piece faces the inner circumference of the recess with a predetermined gap interposed therebetween.

Abstract: A bandpass filter, and a radio communication module and device using the same are disclosed.

Abstract: Provided is a curable resin composition which exhibits improved developability even in through holes and can suppress the generation of development residue and which can yield a cured product with excellent heat resistance and hardness. A curable resin composition which comprises a carboxyl-containing resin, a photopolymerization initiator, and barium sulfate that has been pretreated with a dispersant having an acid group and/or a dispersant having a block copolymer structure, a graft polymer structure, and/or a star polymer structure.

Abstract: Canister-shaped magnetic reinforcing elements 31, 32 made of a ferromagnetic material having a Curie temperature higher than magnetic yokes 11, 12 are provided inside the magnetic yokes 11, 12. The inner periphery 31a, 32a of an opening in each of the magnetic reinforcing elements 31, 32 is opposed to the outer periphery 51a, 52a of each of pole piece tops 51, 52. A torquer coil 61, 62 is located between the inner periphery 31a, 32a of the opening in each of the magnetic reinforcing elements 31, 32 and the outer periphery 51a, 52a of each pole piece top 51, 52. The magnetic reinforcing elements 31, 32 provided inside the magnetic yokes 11, 12 form independent magnetic circuits. Since the magnetic reinforcing elements 31, 32 have a Curie temperature higher than the magnetic yokes 11, 12, a high accuracy of acceleration measurement in a high-temperature range can be achieved.

Abstract: In a servo accelerometer, a support rod is formed integrally with a pole piece bottom, which is disposed between a magnetic yoke and a magnet. The support rod is extended to penetrate to the outside through a through-hole formed in a closure plate portion of the magnetic yokes. The sensing mechanism is connected via the support rod to a housing by fixing the support rod at the extended end thereof to the housing. The support rod may be formed integrally with the closure plate portion of the magnetic yoke, rather than the pole piece bottom.

Abstract: A bandpass filter, and a radio communication module and device using the same are disclosed.

Abstract: A servo accelerometer has a pair of housings having a tubular part, one end opened and the other end closed with a closing part. A frame that supports a pendulum is held between the housings. A permanent magnet is attached to each of the closing parts with a bottom pole piece interposed therebetween. Coils arranged in annular magnetic gaps are attached to the pendulum. The closing part has a recess, and the bottom pole piece is disposed in the recess. The outer circumference of the bottom pole piece faces the inner circumference of the recess with a predetermined gap interposed therebetween.

Abstract: In a servo accelerometer, a support rod is formed integrally with a pole piece bottom, which is disposed between a magnetic yoke and a magnet. The support rod is extended to penetrates toward outside through a through-hole formed in a closure plate portion of the magnetic yokes. The sensing mechanism is connected via the support rod to a housing by fixing the support rod at the extended end thereof to the housing. The support rod may be formed integrally with the closure plate portion of the magnetic yoke, rather than the pole piece bottom.

Abstract: It is an object to provide a reel capable of expecting strength and dimensional accuracy almost equivalent to those of a metal reel, preventing product failures from being caused by the generation of metal powder, exchanging only a damaged part even in the case in which the part of a member for protecting the reel main body is damaged, being manufactured at a low cost by the miniaturization of a metal mold structure, and preventing a carrier tape and a wiring pattern from being damaged or broken as much as possible.

Abstract: The present invention provides a hermetic or open compressor for hydrocarbon refrigerant having high reliability. According to the present invention, in the compressor using hydrocarbon as refrigerant, synthetic oil such as polyalkylene glycol oil, ester oil or ether oil is used as freezer oil. Sliding member of the compressor includes both a portion made of aluminum material and a portion made of iron material. Therefore, it is possible to realize a compressor having excellent wear resistance and high reliability.

Abstract: The present invention provides a hermetic or open compressor for hydrocarbon refrigerant having high reliability. According to the present invention, in the compressor using hydrocarbon as refrigerant, synthetic oil such as polyalkylene glycol oil, ester oil or ether oil is used as freezer oil. Sliding member of the compressor includes both a portion made of aluminum material and a portion made of iron material. Therefore, it is possible to realize a compressor having excellent wear resistance and high reliability.