Ngk Spark Plug Company, Limited

Kuraray Noritake Dental Inc.

Nidek Co., Ltd.

Tetsuo Yamada

Yoshihisa Ito

Yoshihiro Nakano

Satoshi Sugaya

Hitoshi Furuta

Noboru Ishida

Shiro Kakimoto

Kenichi Kamata

Wataru Matsutani

Takafumi Oshima

Kenji Kato

Takio Kojima

Minoru Inuzuka

Akinori Kojima

Hiroki Fujita

Minoru Inuduka

Provided are a workpiece unit in which a holding member is attached to a workpiece body without use of an adhesive, and a method of producing the unit. The workpiece unit comprises a workpiece body, and a holding member which is arranged at at least a part of an outer circumferential portion of the workpiece body and directly contacts with at least a part of the outer circumferential portion.

Workpiece unit and method of producing same

Provided are: a workpiece unit () that makes it possible to attach a holding member () to a workpiece body () at a suitable position and that minimizes displacement of the holding member () after attachment thereof; and a method for producing the workpiece unit (). The workpiece unit () is provided with a workpiece body () and a holding member () arranged on at least a part of the outer circumference () of the workpiece body (). The workpiece body () comprises at least one first positioning section () at a part facing the holding member (). The holding member () comprises a second positioning section () that engages with at least a part of the first positioning section ().

Workpiece unit and producing method thereof

A workpiece unit including a workpiece body having a protruding portion; and a holding member arranged on at least a part of an outer side of the protruding portion.

Workpiece unit

Disclosed is a gas sensor element having an electrode containing a first metal as a predominant component and a lead containing a second metal as a predominant component. The electrode and the lead are connected directly at a connection boundary thereof, or connected indirectly via a connection joint. The connection boundary or joint includes a component region where either one of the first and second metals lower in specific gravity than the other of the first and second metals is contained in an amount ranging between those in the electrode and the lead.

Gas sensor element, heater and gas sensor

Disclosed herein is a workpiece unit containing a workpiece body, and a holding member which is arranged at least at a part of an outer circumferential portion of the workpiece body and directly contacts with at least a part of the outer circumferential portion.

Disclosed is an ammonia sensor element for detecting ammonia in a gas under measurement, including two mixed-potential-type ammonia detection cells that respectively include first and second ammonia detection electrodes. The first ammonia detection electrode has a metal composition containing Au as a predominant component. The second ammonia detection electrode has a metal composition containing Au as a predominant component. The metal compositions of the first and second ammonia detection electrodes are different from each other.

Ammonia sensor element and gas sensor

A gas sensor element configured to detect a first component and a second component of a measurement target gas comprises an element body portion, a first detection portion, a second detection portion with a porous region, and an element protection portion. The element protection portion covers the porous region and a region at the front side with respect to the porous region in a normal side face, and covers a part of a region at the front side with respect to the second detection portion without covering the second detection portion in a second detection side face. The element protection portion is formed so as not to cover the second detection portion but to cover the porous portion of the first detection portion.

Gas sensor element, gas sensor, and method for producing gas sensor element

A gas sensor for detecting the concentration of a detection target gas in an atmosphere of interest is disposed on an electrically insulating member. The gas sensor includes an insulating porous layer formed of an electrically insulating porous material, a reference electrode, a solid electrolyte body, a detection electrode that are stacked in this order on the electrically insulating member, and a reference electrode lead disposed between the insulating member and the insulating porous layer. The insulating porous layer defines a through hole in a region sandwiched between the reference electrode lead and the reference electrode. An electrically conductive member formed of a material having electrical conductivity is disposed in the through hole so as to extend from an opening of the through hole at one end thereof to an opening of the through hole at the other end thereof.

Gas sensor

An ammonia detection section is disposed on an electrically insulating layer and includes a reference electrode, a solid electrolyte body for ammonia, and a detection electrode that are stacked in this order on the electrically insulating layer. In the ammonia detection section, a three-phase boundary is formed at the interface between the reference electrode and the solid electrolyte body for ammonia, and another three-phase boundary is formed at the interface between the detection electrode and the solid electrolyte body for ammonia. The concentration of ammonia in exhaust gas is thereby detected. The ammonia detection section includes a porous layer formed of an electrically insulating porous material and disposed between the insulating layer and the reference electrode.

A multigas sensor (A) includes a multigas sensor element portion (A) having: a NOsensor portion (A) which detects the concentration of NO; and first and second ammonia sensor portions () having different ratios between a sensitivity of ammonia and a sensitivity of NO. The multigas sensor element portion has a plate-like shape which extends in the direction of the axis O. A temperature detecting portion () used for controlling the temperature of the NOsensor portion is disposed in the multigas sensor element portion. The first and second ammonia sensor portions are disposed on the outer surface of the NOsensor portion so that at least parts of the first and second ammonia sensor portions overlap with a first region () which is defined in the width direction by ends in the axial direction of the temperature detecting portion.

Multigas sensor and multigas sensor device

A method and apparatus for controlling a multi-gas sensor, including an NOsensor section and an ammonia sensor section. The NOsensor section includes a first pumping cell adapted to pump oxygen into or out of a gas under measurement introduced into a first measurement chamber, and a second pumping cell communicating with the first measurement chamber and configured such that a second pumping current Ipcorresponds to an NOconcentration of the gas under measurement. Oxygen concentration is calculated on the basis of a first pumping current flowing through the first pumping cell, and a corrected ammonia concentration is calculated on the basis of the oxygen concentration and the ammonia concentration output of the ammonia sensor section.

Method and apparatus for controlling multi-gas sensor

A subsystem for producing a dye base body used for dyeing a spectacle lens is disclosed. This subsystem includes a camera which photographs the face of a customer, a color memory which stores a plurality of color data, a color selection device for selecting a desired color data from among the plurality of color data stored in the color memory, a display controller for controlling a display to display an image of the customer's face photographed by the camera and coloring a lens area of a displayed spectacle frame image in accordance with the selected color data, a printer for printing using sublimatable dye contained therein, and a print controller for controlling the printer to print a predetermined shape with the dye on a printing base body in accordance with the selected color data to produce the dye base body.

Subsystem of producing dye base body used for dyeing of spectacle lenses and a spectacle lens dyeing system including the dye base body producing subsystem

A humidity sensor including an insulating substrate, and a lower electrode formed from a noble metal, a moisture sensitive layer formed of a porous body predominantly containing alumina and containing predetermined amounts of TiOand SnOand an upper electrode formed of a noble metal porous body successively formed on the insulating substrate. The upper electrode is connected to the moisture sensitive layer and a portion of the insulating substrate. Preferably, the lower electrode is formed of a porous body. More preferably, the lower and upper electrodes are formed from Pt. Furthermore, preferably, a heater and a temperature measurement resistor are provided in the insulating substrate and are located directly below the moisture sensitive layer.

Humidity sensor

A humidity sensor comprising an insulating substrate, a detection electrodes and a moisture-sensitive layer, wherein the moisture-sensitive layer is a porous layer and has a thickness not greater than 200 &mgr;m.

A method and system for dyeing a plastic lens by printing a colored layer ( ) on a print base body ( ) with a dyeing solvent by using a printer ( ) electrically controlled, the dyeing solvent containing a dissolved or fine-grained dispersed sublimatable dye, then, placing the print base body having the colored layer in a position where the colored layer faces a plastic lens ( ) to be dyed without contact therewith, and heating the print base body in a vacuum to sublimate the dye from the colored layer and deposit the sublimated dye on the lens.

Growing community of inventors

Nagoya, Japan

Tetsuo Yamada