Rohm Co., Ltd.

Kansai University

Yasuhiro Yoshikawa

Takaya Nagahata

Seiji Aoyagi

Shigeyoshi Ono

Masahide Tanaka

Koji Nishi

Shinobu Obata

Hiroyuki Tajiri

Toshihiro Kimura

Eiji Yokoyama

Koichi Wada

Yoshinobu Kishimoto

Tadashi Yamamoto

Satoshi Kimoto

Akira Fujita

Motoshi Uehara

Tsutomu Hasegawa

Tomokazu Takahashi

Kazuya Nakakubo

Masato Suzuki

A thermal print head includes a heat-generating substrate, a resistor layer, a conductive layer, a first substrate, a second substrate, and a third substrate. The heat-generating substrate includes a heat-generating substrate obverse face and a heat-generating substrate reverse face that are spaced apart from each other in a thickness direction. The resistor layer is supported by the heat-generating substrate. The conductive layer is supported by the heat-generating substrate, and electrically connected to the resistor layer. The first substrate is located upstream of the heat-generating substrate in a sub-scanning direction. The second substrate is located upstream of the first substrate in the sub-scanning direction. The third substrate is bonded to the first substrate and the second substrate and higher in flexibility than the first substrate.

Thermal print head

A thermal printhead includes a substrate, a resistor layer with heat generation portions supported by the substrate and aligned in a primary scanning direction, a wiring layer supported by the substrate to form a conductive path to the heat generation portions, an insulating layer interposed between the substrate and the resistor layer, and a reflection layer located opposite to the heat generation portions with respect to the insulating layer. The reflection layer overlaps with the heat generation portions as viewed in a thickness direction of the heat generation portions and has a greater heat reflectivity than the insulating layer.

Thermal printhead

Provided is a power generation device having a dielectric body and an electret, where power is generated by varying the distance between the dielectric body and the electret. A first electrode is connected to the electret on a side not facing the dielectric body. The first electrode is connected to a grounding terminal via a load. A second electrode may be connected to the dielectric body on a side not facing the electret. The second electrode may be directly connected to the grounding terminal.

Power generation device having a dielectric body and an electret

A power generation apparatus includes a dielectric, a movable member being opposed to the dielectric with a predetermined distance, and an electret and an opposing electrode that are formed on the surface of the movable member facing the dielectric so as to generate a fringe electric field penetrating the dielectric between the two electrodes. When the volume occupancy of the dielectric between the electret and the opposing electrode varies in accordance with a displacement of the movable member, the power generation apparatus outputs the electric charge induced in the opposing electrode as electric current.

Power generation apparatus

A wireless communication device includes an electric power generation unit, an electric power accumulation unit, a sensor supplied with the electric power from the electric power accumulation unit, and a wireless communication unit supplied with the electric power from the electric power accumulation unit, for transmitting the sensed information outputted by the sensor to outside of the wireless communication device. A storage unit stores the sensed information outputted by the sensor. A control unit controls operation of the wireless communication unit, the sensor and/or the storage unit in accordance, at least in part, with the electric power accumulated in the electric power accumulation.

Air pressure management device for vehicle tire and vehicle tire capable of outputting air pressure information

A thermal printer head that is highly efficient to manufacture is provided, which includes: a first substrate (), including a first main surface (), a first inclined surface () that is inclined relative to the first main surface (), and a second inclined surface () that is inclined relative to the first main surface (); an electrode layer (), laminated on the first main surface (), the first inclined surface (), and the second inclined surface (); a resistor layer (), having a plurality of heat dissipation portions () respectively laminated on the first inclined surface () and crossing separated parts in the electrode layer (); a driving integrated circuit (IC), for controlling the current passing through each heat dissipation portion (); and a plurality of wires (), respectively joined to the driving IC and joined to the second inclined surface () through the electrode layer ().

Thermal printer head and manufacturing method thereof

Vibration electric power generation is carried out by a relative parallel movement of a ferroelectric member including floating electrodes arranged in parallel and a movable member including electrets maintaining a surface electric potential of approximately 100 volts at a temperature of 100&#xb0; C. and opposed electrode portions alternately arranged, the ferroelectric member and the movable member being provided in a tire.

Power generation apparatus including an electret and an opposing electrode on the surface of a movable member facing a dielectric

Provided is an acceleration sensor that has high detection sensitivity and that can enhance production efficiency. The acceleration sensor has: a ceramic substrate made of AlO; a ferroelectric layer formed in a predetermined area on the ceramic substrate by screen printing, the ferroelectric layer being made of BaTiO; a proof mass disposed so as to face the ferroelectric layer, the proof mass being formed at a predetermined distance d from the ferroelectric layer; and a first electrode and a second electrode that are formed on that side of the proof mass which faces the ferroelectric layer, so as to be fixed thereto. The first electrode and the second electrode are each formed in the shape of comb teeth, and comb tooth portions and thereof are arranged in an alternating manner.

Acceleration sensor and method of fabricating it

An MEMS element (A) includes a substrate (), and a first electrode () formed on the substrate (). The MEMS element (A) further includes a second electrode () including a movable portion () spaced from the first electrode () and facing the first electrode. The movable portion () is formed with a plurality of through-holes (). Each of the through-holes () may have a rectangular cross section.

MEMS element, MEMS device and MEMS element manufacturing method

An LED chip mounting structure provided by the present invention includes a wiring board with a mounting pad an LED chip with an electrode facing the mounting pad a bump disposed between the mounting pad and the electrode to electrically connect the mounting pad to the electrode and an adhesive member for fixing the LED chip to the wiring board.

Led chip mounting structure and image reader having same

The present invention relates to a lens array unit fabrication process. A lens array forming step produces a first and a second lens arrays each having linearly-arranged first or second lenses. In a lens array connecting step, the first array is connected to the second array so that the first lenses are axially aligned with the second lenses. The connecting step includes providing of ultrasonic vibration by e.g. an ultrasonic horn. In the forming step, a resin casting is used in which lens array regions, each including linearly-arranged first or second lenses, are integrally formed in a direction perpendicular to the rows of lenses. In the forming step, a multiple-blade rotary cutter, provided with rotary blades disposed at a pitch corresponding to the transverse dimension of each lens array region, is used to simultaneously make cuts flanking the lens array regions.

Lens array unit and process for making lens array

A clip connector (A) includes an insulating housing ( ) and a plurality of terminals ( ) projecting from the housing ( ). The housing ( ) includes an outer surface ( ) for engaging a support member such as a printed board. The outer surface ( ) is irregular, including a plurality of projecting portions ( ) and a plurality of retreating portions ( ). Each of the terminals ( ) includes a straight portion ( ) and a bent portion ( ). Each of the straight portion ( ) is formed with a through-hole ( ) through which a resin for bonding the support member and the outer surface ( ) is applied.

Clip connector, method of attaching clip connector, and assembly of clip connector and support member

The thermal printhead according to the present invention includes an elongated rectangular substrate including an attaching surface and a non-attaching surface, and a heat sink plate attached to the attaching surface of the substrate. The non-attaching surface of the substrate is provided with a common electrode, a plurality of individual electrodes and a heating resistor. The heating resistor is covered with an insulating protective layer and an opaque conductive protective layer. The thermal printhead includes a positioning indicia. In the method of making the thermal printhead according to the present invention, an image of the positioning indicia is taken by an image pick-up device and imaged on a display of a monitor. Two reference lines are set on the display of the monitor. Positioning of the substrate relative to the heat sink plate is performed by moving the substrate so that the reference line of the positioning indicia coincides with the reference line on the display of the monitor.

Growing community of inventors

Kyoto, Japan

Yasuhiro Yoshikawa