Abstract: A conductive contact point pin includes a pin body, and a plurality of convex portions formed in a tip portion of the pin body, wherein the conductive contact point pin breaks, by pressing a substrate where a film to be broken is formed on a conductive film from above the film to be broken, the film to be broken in order to be electrically connected to the conductive film.

Abstract: A heat transfer plate according to the present embodiment includes a first heat transfer unit transferring heat generated in a member mounted on the first heat transfer unit, the heat being generated due to shaping or controlling of a beam generated by a light source in a decompressed atmosphere, a second heat transfer unit provided around the first heat transfer unit, and a plurality of third heat transfer units making the first heat transfer unit movable with respect to the second heat transfer unit, the plurality of third heat transfer units connecting the first and second heat transfer units.

Abstract: A controlling device for a vibration type actuator includes an AC voltage generating unit in which at least one of parameters, namely a frequency, an amplitude, and a phase of an AC voltage for use in applying an excitation force to a vibrating member, is settable; a measuring unit which measures some physical quantities caused by a vibration of the vibrating member; a variation imparting unit which imparts a predetermined variation to at least one of the parameters of the AC voltage; a frequency-response characteristic measuring unit which finds a frequency-response characteristic of at least one predetermined frequency between a first signal according to the variation and a second signal according to the measured physical quantity; and a frequency controlling unit which controls the frequency of the AC voltage according to the frequency-response characteristic.

Abstract: A controller capable of improving position detection accuracy during the stopping of an actuator, and controlling the actuator with high stability and quick responsiveness during driving. A first position signal corresponding to an amount of relative movement between the actuator and said driven element is output to a filter, and the filter outputs a second position signal generated by attenuating signal components having frequencies except a specific frequency band. Driving and stopping of the actuator are controlled according to the second position signal. As the specific frequency band, a first frequency band is set in said filter during the driving of the actuator, and a second frequency band is set in said filter during the stopping of the actuator. The first frequency band and the second frequency band both include 0 Hz, and the second frequency band is narrower than the first frequency band.

Abstract: A control apparatus for a vibration type actuator, which uses a vibration wave excited by a vibrating member to actuate a movable member in contact with or indirectly connected to the vibrating member, includes a command unit which gives a command indicating at least one parameter, an AC voltage generator which generates the AC voltage for applying the excitation force to the vibrating member, a variable adding unit which adds a predetermined variable to each of one or more parameters, a frequency response characteristic measuring unit which receives as an input a variable output and outputs a physical quantity and obtains a frequency response characteristic at one or more predetermined frequencies, a resonance frequency estimation unit which estimates a resonance frequency of the vibrating member, and a frequency range limiter which determines a frequency range for the AC voltage output by the AC voltage generator.

Abstract: A measuring system for measuring a physical quantity related to one of an electromagnetic wave and a magnetic field includes a vibration-type actuator, a waveform generating unit configured to generate a driving waveform signal of the vibration-type actuator, an optical transmitter unit configured to receive the driving waveform signal and convert the driving waveform signal into an optical signal, an optical receiver unit configured to receive the optical signal and convert the optical signal into an alternating-current voltage signal, and a drive circuit configured to receive the alternating-current voltage signal and apply the alternating-current voltage signal to the vibration-type actuator. The waveform generating unit and the optical transmitter unit are disposed outside a magnetic shield room.

Abstract: A driving circuit to drive a vibration member comprising an electro-mechanical energy conversion element includes a transformer connected in parallel to the electro-mechanical energy conversion element. The transformer includes a primary coil configured such that an alternating voltage is applied to the primary coil, and a secondary coil connected to the electro-mechanical energy conversion element in parallel, and an inductor connected to the primary coil in series, Parameters of the driving circuit are set such that, when a frequency of a peak voltage applied to the electro-mechanical energy conversion element is denoted by fe and a driving frequency of the vibration member is denoted by fd, a condition fe<1.5·fd is satisfied.

Abstract: A driving apparatus for a vibration-type actuator that applies an AC voltage to an electro-mechanical energy conversion element and generates a driving force between a vibration member and a movable member includes a voltage amplitude command unit configured to instruct an amplitude of the AC voltage, a pulse width command unit configured to monotonically increase a pulse width command and a change rate of the pulse width command according to an increase in a voltage amplitude command, and output a pulse width command, and a pulse signal generation unit configured, when a pulse signal that directly or indirectly generates the AC voltage is generated at the same frequency as the AC voltage to apply the AC voltage to the electro-mechanical energy conversion element, to generate a pulse signal having a pulse width corresponding to the pulse width command based on the pulse width command.

Abstract: An unnecessary vibration detection apparatus of a vibration type actuator includes an AC voltage generation unit that generates a plurality of AC voltages having a driving frequency; a vibration detection unit that outputs a vibration detection signal of the vibration type actuator; and an unnecessary vibration detection unit that detects an unnecessary vibration component by generating a signal for cancelling the vibration component of the driving frequency in the vibration detection signal by controlling amplitudes of a plurality of AC signals which are used for generating the plurality of AC voltages.

Abstract: A driving device, including a drive signal generating section configured to variably control a frequency or an amplitude of an application voltage to a vibration member, includes a variable period setting section configured to output a value of a PWM period, the set value being set so that an average value of PWM periods in one target period of the application voltage is one fraction of an integer number of the target period by variably adjusting the PWM periods in an aperiodic manner; a drive waveform information output section; and a variable period PWM signal generating section configured to generate a PWM signal based on the set value of the PWM period output from the variable period setting section and drive waveform information of the application voltage, wherein the drive signal generating section is a digital circuit.

Abstract: A driving unit of a vibration-type actuator includes a command unit, a change making unit, an AC signal generating unit, and a filter unit. The command unit outputs a command signal that directs at least one of a frequency, an amplitude, and a phase difference of an AC signal. The change making unit makes a change to the command signal and outputs the command signal. The AC signal generating unit generates a generated AC signal in which at least one of a frequency, an amplitude, and a phase difference of the generated AC signal is modulated in accordance with the output of the change making unit. The filter unit selectively dampens a frequency component, of at least one of the output signal of the change making unit and an output signal of the AC signal generating unit, that excites vibration other than vibration in a predetermined vibration mode.

Abstract: A pressure-sensitive adhesive sheet having a supporting film, a pressure-sensitive adhesive layer formed from a pressure-sensitive adhesive composition on one surface of the supporting film, and a top coat layer on the other surface opposite to the surface having the pressure-sensitive adhesive layer of the supporting film, wherein the top coat layer contains wax as a lubricant and a polyester resin as a binder and having the properties as defined.

Abstract: A pressure-sensitive adhesive sheet having a supporting film, a pressure-sensitive adhesive layer formed from a pressure-sensitive adhesive composition on one surface of the supporting film, and a top coat layer on the other surface opposite to the surface having the pressure-sensitive adhesive layer of the supporting film, wherein the top coat layer contains wax as a lubricant and a polyester resin as a binder; and the pressure-sensitive adhesive composition contains a (meth)acryl-based polymer as defined.

Abstract: A pressure-sensitive adhesive sheet having a supporting film, a pressure-sensitive adhesive layer formed from a pressure-sensitive adhesive composition on one surface of the supporting film, and a top coat layer on the other surface opposite to the surface having the pressure-sensitive adhesive layer of the supporting film, wherein the top coat layer contains wax as a lubricant and a polyester resin as a binder and having the properties as defined.

Abstract: Provided is a pressure-sensitive adhesive composition for acrylic film protection which can forma surface protective film (pressure-sensitive adhesive sheet) excellent in antistatic properties, adherability, removability and workability for acrylic films (acrylic resins) and usable for acrylic film protection. The pressure-sensitive adhesive composition for acrylic film protection of the invention contains a (meth)acrylic polymer containing a (meth)acrylic monomer having an alkyl group of 1 to 14 carbon atoms in a proportion of 50 to 99.9 wt % as a monomer component, a tri-functional isocyanate crosslinking agent, a di-functional isocyanate crosslinking agent, an organopolysiloxane having oxyalkylene chains, and an ionic compound.

Abstract: A control circuit is provided for a vibration-type actuator that generates a vibration wave in a vibrating member by applying an alternating voltage, and relatively rotates a moving member contacting protrusions of the vibrating member. The control circuit includes a feedback control circuit and a repetitive compensator. The feedback control circuit subjects the vibration-type actuator to feedback control based on a deviation between a relative speed between the moving member and the vibrating member and a command speed or a deviation between a relative position between the moving member and the vibrating member and a command position. The repetitive compensator provides a repetitive period that is set to T/(an integral multiple of fs), where T is a period of rotation of the moving member, and fs is a spatial frequency of a speed deviation based on a contact area distribution between the protrusions and the moving member.

Abstract: A driving circuit to drive a vibration member comprising an electro-mechanical energy conversion element includes a transformer connected in parallel to the electro-mechanical energy conversion element. The transformer includes a primary coil configured such that an alternating voltage is applied to the primary coil, and a secondary coil connected to the electro-mechanical energy conversion element in parallel, and an inductor connected to the primary coil in series, Parameters of the driving circuit are set such that, when a frequency of a peak voltage applied to the electro-mechanical energy conversion element is denoted by fe and a driving frequency of the vibration member is denoted by fd, a condition fe<1.5·fd is satisfied.

Abstract: An apparatus includes a vibration-type actuator and a driving circuit. The vibration-type actuator includes a vibration member and a moving member, wherein the vibration member includes an electro-mechanical energy conversion element and the moving member is configured to move relative to the vibration member. The driving circuit includes a capacitor and an inductor connected in series with the capacitor to the electro-mechanical energy conversion element. In an example, parameters of the driving circuit are set such that, when a series resonance frequency of the inductor and the capacitor is denoted by fs and a resonance frequency of the vibration member is denoted by fm, a condition 0.73·fm<fs<1.2·fm is satisfied.

Abstract: The present invention provides a PSA sheet combining higher levels of antistaticity, anchoring and less contaminating nature. The PSA sheet comprises a substrate film formed from a resin material, a pressure-sensitive adhesive layer provided on a first face thereof, and an antistatic layer provided between the first face and the pressure-sensitive adhesive layer. The antistatic layer comprises an antistatic ingredient ASu. The pressure-sensitive adhesive layer comprises an acrylic polymer as a base polymer, and an ionic compound as an antistatic ingredient ASp.

Abstract: An apparatus includes a vibration-type actuator and a driving circuit. The vibration-type actuator includes a vibration member and a moving member, wherein the vibration member includes an electro-mechanical energy conversion element and the moving member is configured to move relative to the vibration member. The driving circuit includes a capacitor and an inductor connected in series with the capacitor to the electro-mechanical energy conversion element. In an example, parameters of the driving circuit are set such that, when a series resonance frequency of the inductor and the capacitor is denoted by fs and a resonance frequency of the vibration member is denoted by fm, a condition 0.73·fm<fs<1.2·fm is satisfied.