Sanyo Electric Co., Ltd.

Makoto Izumi

Naoteru Matsubara

Kazuhiro Sasada

Katsuji Mabuchi

Hitoshi Hirano

Mitsuru Okigawa

Yoshiki Murayama

Yohko Naruse

Mayumi Nakasato

Hideaki Miyamoto

Yoshinori Shishida

Masahiro Oda

Toru Dan

Kazunari Honma

Tatsuhiko Koide

An electrostatic generator includes a substrate, an electrode formed on or in a surface of the substrate, an electret film provided so as to be opposed to the electrode and an insulating film on an electrode side formed on a surface of the electrode on a side opposed to the electret film.

Electrostatic generator comprising an electret film

A voltage conversion circuit with reduced power consumption can be used for a power supply device (). The power supply device () is composed of a power supply circuit () including an alternating power supply () and a rectifying circuit (); a voltage conversion circuit () including a plurality of capacitors () and a switching circuit (); and a load circuit (). The voltage conversion circuit () is connected between the power supply circuit () and the load circuit (). The alternating power supply () is connected to a switching circuit () of the voltage conversion circuit () without having the rectifying circuit () in between. An output voltage (potential fluctuation: a potential difference generated in the signal waveform of the power supply voltage) from the alternating power supply () prior to rectification is applied to the switching circuit (). The alternating power supply () is also connected to the capacitors () through the rectifying circuit (), and output power after rectification is applied to the capacitors. The voltage conversion circuit () supplies the load circuit () with the power supply voltage inputted from the power supply circuit () by increasing or reducing the voltage.

Voltage conversion circuit

A power generating apparatus () is provided with first substrates () whereupon a first electrode () is arranged on one surface; a second substrate () which includes a second electrode () arranged to face a first electrode on the one surface side of the first substrate; and sliding mechanisms (and) arranged at least on the one surface side or the other surface side of the first substrate. The sliding mechanism holds the first substrate so that the first substrate moves relatively to the second substrate in a second direction (X direction) while suppressing movement of the first substrate in a first direction (Z direction).

Power generating apparatus having ball bearings

An electrostatic operating apparatus (electrostatic induction generator) includes a first substrate having a first electrode and a second electrode and set in a state where the first electrode and the second electrode are electrically separated from each other at least on the substrate and a second substrate including an electret member, wherein the first substrate and the second substrate are so provided as to be opposed to each other at an interval and so formed as to be movable relatively with each other, and at least one of the first electrode and the second electrode is so formed as to be capacitively coupled with the electret member.

Generator including an electret member

An electrostatic induction power generator includes first and second substrates arranged to be opposed to each other, a third substrate arranged between the first and second substrates, first and second electrodes provided on both surfaces of the third substrate respectively, a third electrode provided on a surface of the first substrate; and a fourth electrode provided on a surface of the second substrate.

Electrostatic induction power generator

An electrostatic induction generator requiring no electric power supply device and capable of being mounted on a printed board is obtained. This electrostatic induction generator includes a pair of first electrodes capable of storing charges, a pair of vibrating electrodes capable of vibrating in a first direction and a second direction different from the first direction, and charged with opposite charges due to charges stored in the pair of first electrodes respectively, and a second electrode for electrically connecting the pair of vibrating electrodes to each other in a case where the pair of vibrating electrodes are at prescribed positions.

Electrostatic induction generator

An electric power generator capable of using external vibrations in various directions to generate power. A fixed substrate having a surface with a plurality of electret electrodes and a movable substrate having a surface with a movable electrode are spaced from each other. The fixed substrate is fixed in the electric power generator. Spring driving bodies support the movable substrate so that the movable substrate elastically moves in any direction within an XY plane when receiving external vibrations.

Electric power generator

A charge-coupled device capable of attaining excellent performance with a single-layer gate electrode structure is obtained. This charge-coupled device, having a single-layer gate electrode structure, comprises a gate insulator film formed on a semiconductor substrate, a plurality of partitions, consisting of an insulator, formed on the gate insulator film, and concave gate electrodes, arranged between adjacent ones of the partitions, having side surfaces formed along side portions of the partitions. Thus, when the partitions are formed with a width of not more than the minimum critical dimension of lithography, the interval between the adjacent gate electrodes is not more than the minimum critical dimension of lithography.

Charge-coupled device and method of fabricating the same

A solid state image device capable of attaining high condensability also when integrating an optical lens and a solid state image sensor with each other is provided. This solid state image device comprises an optical lens, a solid state image sensor including a microlens, and a resin layer formed between the optical lens and the microlens of the solid state image sensor. Thus, the solid state image device can refract light incident upon the microlens from the resin layer also when the resin layer is formed between the solid state image sensor and the optical lens.

Solid state image device and including an optical lens and a microlens

A method of fabricating a semiconductor device capable of improving reliability of a gate insulator film is obtained. This method of fabricating a semiconductor device comprises a step of forming a gate insulator film on the main surface of a semiconductor layer by heat treatment, and the step of forming the gate insulator film includes a step of performing the heat treatment in an atmosphere containing oxidizing gas at a temperature exceeding the temperature causing viscous flow of the gate insulator film thereby forming the gate insulator film on the main surface of the semiconductor layer.

Growing community of inventors

Gifu, Japan

Makoto Izumi