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 device for a vibration-type actuator of the present invention is a driving device for driving a vibration-type actuator disposed in a magnetically shielded room. The driving device includes a linear amplifier is configured to receive a signal based on a driving waveform for driving the vibration-type actuator and output a driving voltage to be applied to the vibration-type actuator.

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, including: 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: The invention provides a surface protection film including a top coat layer on a first face of a substrate, and a pressure-sensitive adhesive layer on a second face. The top coat layer includes a wax as a slip agent, and a polyester resin as a binder. Here, the wax is an ester of a higher fatty acid and a higher alcohol.

Abstract: The present invention provides a pressure-sensitive adhesive composition which can form a pressure-sensitive sheet excellent in adhesive properties (adherability, easy peeling property at the time of high speed peeling, and re-peeling property) and the antistatic property and which has long pot life. The pressure-sensitive composition of the present invention is a pressure-sensitive adhesive composition comprising a (meth)acryl-based polymer composed of, as raw material monomers, a (meth)acryl-based monomer having an alkyl group of 1 to 14 carbon atoms and a hydroxyl group-containing (meth)acryl-based monomer, an alkali metal salt, and a catalyst having iron as an active center, wherein the hydroxyl group-containing (meth)acryl-based monomer is contained in an amount of 6 parts by weight or more to 100 parts by weight of the (meth)acryl-based monomer having an alkyl group of 1 to 14 carbon atoms.

Abstract: A driving circuit is configured to drive a vibration-type actuator including a vibration member and a moving member. The vibration member includes an electro-mechanical energy conversion element and may generate a vibration wave in response to an alternating voltage applied to the electro-mechanical energy conversion element. The moving member is in contact with the vibration member and may move in response to the vibration wave 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. Parameters of the driving circuit may be 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 prevent invention provides a pressure-sensitive adhesive sheet which can prevent increase of the adhesion with the lapse of time, has low adhesion at the time of high speed peeling, and is excellent in removability and workability. The pressure-sensitive adhesive sheet has a pressure-sensitive adhesive layer formed using a pressure-sensitive adhesive composition on one or both surfaces of a supporting film and is characterized in that the adhesion ratio (B/A) of the adhesion (A) at a peeling speed of 30 m/min after 30 minute-bonding of the pressure-sensitive adhesive surface of the pressure-sensitive adhesive layer to a TAC surface at 23° C. and the adhesion (B) at a peeling speed of 30 m/min after one day-bonding of the pressure-sensitive adhesive surface of the pressure-sensitive adhesive layer to a TAC surface at 50° C. is in a range of 0.5 to 1.5.

Abstract: The present invention provides a pressure-sensitive adhesive sheet having an adequate adhesion so as not to cause blistering and peeling with the lapse of time and is excellent in re-peeling property and workability. The pressure-sensitive adhesive sheet provided is a pressure-sensitive adhesive sheet having a pressure-sensitive adhesive layer formed using a pressure-sensitive adhesive composition on one or both surfaces of a supporting film, in which the shift length after 30 minutes from a creep test carried out at 23° C. and a shearing load of 500 g by bonding an adhesive area of 200 mm2 of the pressure-sensitive adhesive layer to a TAC polarizing plate is 2.5 mm or less, and the adhesion at a peeling rate of 0.3 m/min after 30 minute-bonding of a pressure-sensitive adhesive surface of the pressure-sensitive adhesive layer to a TAC surface at 23° C. is 0.3 N/25 mm or less.

Abstract: A control apparatus for a vibration type actuator using a vibration wave excited by a vibrating member, a movable member in contact with or indirectly connected to the vibrating member, including 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 controlling device for a vibration type actuator including: 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: The present invention provides a surface protecting film which can suppress rainbow unevenness attributed to itself, makes appearance inspection smooth, and is excellent in workability at the time of inspection of an optical member by a Crossed Nicols method by employing a surface protecting film having a specified degree of orientation in a specified width direction. The surface protecting film of the present invention has a pressure-sensitive adhesive layer on at least one surface of a substrate, the substrate is a polyester film and polyester film has a degree of orientation in the width direction of 1.5 m in a range of 75 to 90°.

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: To provide a method for producing a filtration filter that can simplify the process for providing clean water or freshwater. By etching silicon substrate 1 using masking film formed on a surface of substrate 1 and having numerous openings to expose portions of the surface, numerous circular holes 2 with an approximate diameter of 100 nm are formed in substrate 1. Diameter (D1) at minimum-diameter portions 4 near the openings of circular holes 2 to be reduced by silica film 3 is adjusted to be 1 nm˜100 nm by depositing silica film 3 on the inner surfaces of circular holes 2.

Abstract: Provided is a water treatment device with which organic substances contained in raw water to be treated are decomposed to thereby alleviate the load to be imposed on a downstream filter and with which it is possible to avoid corrosion of the piping or the like.

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: The present invention provides a pressure-sensitive adhesive composition which is excellent in removability, peel adhesive power temporal stability and staining properties; a pressure-sensitive adhesive layer produced with the same; and a pressure-sensitive adhesive sheet. The present invention also provides a pressure-sensitive adhesive composition which can prevent electrification of a non-antistatic protected adherend when peeled off using an ionic compound which is an antistatic agent, and is less likely to cause lifting and is also excellent in removability; a pressure-sensitive adhesive layer produced with the same; and a pressure-sensitive adhesive sheet.

Abstract: Provided are a pressure-sensitive adhesive composition that prevents static buildup on the non-antistatic adherend when peeled off, suppresses peeling electrification voltage, is reduced in the risk of staining the adherend, and has a high level of adhesion reliance and re-peeling properties without causing lifting or peeling; an antistatic pressure-sensitive adhesive sheet produced therewith; and a surface protecting film produced therewith. The pressure-sensitive adhesive composition includes (a) a (meth)acryl-based polymer containing, as a monomer unit, 0.01 to 20% by weight of a reactive surfactant; (b) another (meth)acryl-based polymer free of the reactive surfactant; and an ionic compound.

Abstract: A pressure-sensitive adhesive sheet 1 provided by the present invention is provided with a substrate film 12 comprising a transparent resin material, an antistatic layer 14 provided on a first side 12A thereof, and a pressure-sensitive adhesive layer 20 provided on a second side 12B thereof. The antistatic layer 14 contains an antistatic component (for example, an electroconductive polymer) and a binder resin, and has an average thickness Dave of 1 nm to less than 100 nm. The pressure-sensitive adhesive layer 20 contains an acrylic polymer as a base polymer and an ionic compound (such as an ionic liquid and alkaline metal salt) as an antistatic component.

Abstract: A probe card for testing electrical characteristics of an object to be tested includes a plurality of contactors for contacting the object during the testing; a plurality of tester chips configured to send and receive electric test signals to and from the object to test the electrical characteristics of the object; and a conductive portion electrically connecting the contactors with the corresponding tester chips, the contactors being arranged on a lower surface of the conductive portion. The probe card further includes a pressing portion configured to press the conductive portion against the object during the testing, so that a pressing force is applied between the contactors and the object.

Abstract: A test unit to be used with a tester that tests an electrical characteristic of a circuit formed in a wafer includes a tester a board electrically connected to the tester; a first wireless port mounted on a lower surface of the tester board and electrically connected to the tester; a probe board that includes a probe to be in contact with an electrode pad of the electronic circuit, and is configured so that the probe board may be transferred along with the wafer into the system box while the probe and the electrode pad are in contact with each other; a second wireless port that is mounted on an upper surface of the probe board and electrically connected to the probe, and carries out contactless transmission/reception with the first wireless port; a chuck plate that is away from the tester board, and holds the probe board and the wafer; and a flexible expandable chamber that may be inflated by introducing gas thereinto.