National Institute of Advanced Industrial Science and Technology

Kazuya Kikunaga

Nao Terasaki

Kazuhiro Nonaka

Kazuma Kurihara

Yuki Fujio

Kengo Manabe

A light emitting structure emits light in response to a load applied to an object from a load object. In the light emitting structure are formed contacting portions which are provided on a supporting surface of the object, and which have a predetermined length from the surface of the supporting surface in a direction perpendicular to the surface of the object, wherein a stress-luminescent material is included in at least a portion of the supporting surface and the surface of the contacting portions.

Light emitting structure that emits light in accordance with load, load measuring device employing same, and load distribution measuring method

[Problem] The object of the present invention is to provide a static electricity distribution-visualizing material, a static electricity-visualizing film, a static electricity distribution-visualizing device, and a static electricity distribution-visualizing method, which can visualize a charged state to be seen with naked eyes so as to intuitively understand a static electricity distribution. [Solution] A static electricity distribution-visualizing material is manufactured so as to contain at least one of a fluorescent substance, a luminescent substance, an electroluminescent substance, a fractoluminescent substance, a photochromic substance, an afterglow substance, a photostimulated luminescent substance and a mechanoluminescent substance.

Static electricity-visualizing material, static electricity-visualizing film, static electricity distribution-visualizing device, and static electricity distribution-visualizing method

[Object] An electric conductivity-measuring material which emits light according to electric conductivity of a measurement object; an electric conductivity-measuring film containing the material; and an electric conductivity-measuring device and an electric conductivity-measuring method using the electric conductivity-measuring film are provided. An electric resistivity-measuring material which emits light according to electric resistivity of a measurement object when electrons are made incident; an electric resistivity-measuring film containing the material; and an electric resistivity-measuring device and an electric resistivity-measuring method using the electric resistivity-measuring film are also provided. [Solution] An electric conductivity-measuring material is used, which contains at least one of a fluorescent substance, a luminescent substance, an electroluminescent substance, a fractoluminescent substance, a photochromic substance, an afterglow substance, a photostimulated luminescent substance and a mechanoluminescent substance.

Electric conductivity-measuring material, electric conductivity-measuring film, electric conductivity-measuring device, and electric conductivity-measuring method, as well as electric resistivity-measuring material, electric resistivity-measuring film, electric resistivity-measuring device, and electric resistivity-measuring method

A charged particle detection material which can detect charged particles due to a discharge phenomenon or the like caused even in a very low voltage which cannot be observed by a prior art, as well as a charged particle detection film and a charged particle detection liquid using the material. The charged particle detection material and the charged particle detection film contain at least one of a fluorescent substance, a luminescent substance, an electroluminescent substance, a fractoluminescent substance, a photochromic substance, an afterglow substance, a photostimulated luminescent substance and a mechanoluminescent substance and can easily detect emission or incidence of charged particles in real time.

Charged particle detection material, and charged particle detection film and charged particle detection liquid using the same

With prior art static electricity distribution measuring devices, there has been the problem that it has not been possible to measure the amount of electrostatic charge over a wide range at high spatial resolution and quickly. In the present invention, there are provided: a detection unitin which a plurality of sensors, provided upon a surface, move relatively along the surface of an electrostatically charged subjectto be measured, and detect potential changes generated by the distance to the surface of the measurement subject being changed; a reference distance measuring unit that measures the distance between the surface of the measurement subject and the surface of the detection unit; a distance adjustment unit that adjusts that distance so that it becomes a reference distance that is determined in advance; and a vibrating unit that causes the distance between the surface of the measurement subject and the surface of the detection unit to change upon a predetermined cycle.

Static electricity distribution measuring device

A static electricity distribution measuring apparatus () according to the present disclosure measures the static electricity distribution on a measurement surface of a measurement target (), and is provided with: an array antenna () that receives electric fields generated from each of a plurality of areas () on the measurement surface through vibration; a vibrator () that vibrates the measurement target () or the array antenna (); a measurer () that measures at least one from among intensity, frequency and phase of the electric fields in each of the plurality of areas () received by the array antenna (); a calculator () that calculates an amount of static electricity for each of the plurality of areas () based on measurement results by the measurer (); and a drawer () that draws the static electricity distribution on the measurement surface based on the amount of static electricity in each of the plurality of areas (). The array antenna () has a plurality of antenna elements () respectively corresponding to the plurality of areas ().

Growing community of inventors

Tosu, Japan

Kazuya Kikunaga