摘要:
Plural number of thermo-plastic organic films having ceramic green layer(s) and a layer to become electrode thereon are laminated, thereby to form laminated body, which is hot-pressed to impregnate the organic film substance into the ceramic green layers and into layers to become electrodes, and then is fired; thereby, the ceramic layers are formed very thin, thereby producing a capacitor of large capacitance per volume.
摘要:
A ceramic luminescent device, in which a luminescent screen of zinc sulfide layer with luminescent impurities is formed on a translucent zinc oxide sintered body, and the luminescent light emitted from said luminescent screen is derived through said zinc oxide body.The device can be constructed in a manner that said luminescent screen is excited either by an electric field or electron beam.
摘要:
There is provided a humidity sensitive ceramic resistor having high humidity activity, low electrical resistance, quick response rate to humidity and high stability with respect to time, temperature, humidity and electric load which is suited for humidity-controlling devices. The ceramic resistor comprises a ceramic composition comprising at least one component having a spinel type cubic symmetry selected from the group consisting of MgCr.sub.2 O.sub.4, FeCr.sub.2 O.sub.4, NiCr.sub.2 O.sub.4, CoCr.sub.2 O.sub.4, MnCr.sub.2 O.sub.4, CuCr.sub.2 O.sub.4, Mg.sub.2 TiO.sub.4, Zn.sub.2 TiO.sub.4, Mg.sub.2 SnO.sub.4 and Zn.sub.2 SnO.sub.4, and , if desired, at least one component selected from the group consisting of TiO.sub.2, ZrO.sub.2, HfO.sub.2 and SnO.sub.2.
摘要翻译:提供了一种湿度敏感的陶瓷电阻器,具有低湿度,低电阻,对湿度的响应速度快,对于适合于调湿装置的时间,温度,湿度和电负载的高稳定性。 陶瓷电阻器包括陶瓷组合物,其包含至少一种具有选自MgCr 2 O 4,FeCr 2 O 4,NiCr 2 O 4,CoCr 2 O 4,MnCr 2 O 4,CuCr 2 O 4,Mg 2 TiO 4,Zn 2 TiO 4,Mg 2 SnO 4和Zn 2 SnO 4的尖晶石型立方对称的组分,如果需要, 选自TiO 2,ZrO 2,HfO 2和SnO 2中的至少一种组分。
摘要:
New black color insulator thin films comprising Pr oxide, composite oxides of Pr-Mn, Pr-Ni, Pr-Co or Mn oxide are used to constitute at least one part or all parts of interface film between a phosphor film and a back electrode film of an AC thin film EL panel; and the panel with such a high contrast as 5:1 even at an illumination of 400 lux has been obtained.
摘要:
A ceramic sensor device is disclosed which comprises a sensing element of a ceramic material and electric conductors for connection to external circuit which are tightly embedded within a ceramic insulating body. The solid state sensor device having an excellent capability to withstand detrimental conditions such as a high temperature, rapid temperature change and mechanical shocks is provided. The sensor is advantageously used as a temperature sensor, a moisture sensor and a gas sensor for detecting oxidizing and reducing gas. Above all, the sensor is suited as a temperature sensor device for detecting temperature of exhaust gas purifying catalyst used in motor vehicles.
摘要:
A temperature.multidot.humidity detecting apparatus which can detect the temperature and humidity with a single element. The temperature.multidot.humidity detecting element of the present invention varies its impedance value with respect to variations in the temperature and humidity, and the temperature.multidot.humidity detecting apparatus is adapted to detect the variations in the temperature.multidot.humidity detecting element impedance to determine the temperature and humidity.
摘要:
Humidity sensitive ceramic resistor having a high humidity activity, a low electrical resistance and a high stability with respect to time, temperature, humidity and electric load and suited for use in humidity-controlling devices is provided by a sintered mixture of a main component, which consists essentially of chromium oxide and at least one metal oxide selected from the group consisting of TiO.sub.2, ZrO.sub.2, HfO.sub.2, SnO.sub.2, Nb.sub.2 O.sub.5, Ta.sub.2 O.sub.5, WO.sub.3, MnO.sub.2, MoO.sub.2, CeO.sub.2, DyO.sub.2, VO.sub.2, SiO.sub.2 and GeO.sub.2, and an addition of at least one metal oxide selected from the group consisting of BeO, MgO, CaO, SrO, BaO, FeO, NiO, CuO, ZnO, CdO and PbO. Furthermore, humidity sensitive thin layer ceramic resistor having an improved quick response to humidity is obtained by sintering a mixture having the above composition with a glass frit binder.
摘要:
A humidity sensitive device for sensing the humidity of an ambient humidity comprising a humidity sensitive resistor 15 which comprises as main component at least one selected from the group consisting of ZrO.sub.2, TiO.sub.2, Nb.sub.2 O.sub.5 and Ta.sub.2 O.sub.5 and an electric heater 13 applied near and for heating and retaining the humidity sensitive resistor 15 at a temperature above 200.degree. C. The humidity sensitive resistor 15 and a fixed resistor are series connected across an AC voltage source 17, and a voltage across the humidity sensitive resistor 15 or the fixed resistor 16 is rectified by a AC/DC converter and compared with a reference voltage by a comparator, thereby an output responding to humidity in the atmosphere can be measured for a wide range of temperature.
摘要翻译:一种用于感测环境湿度的湿度的湿度敏感装置,包括湿度敏感电阻器15,其包含选自由ZrO 2,TiO 2,Nb 2 O 5和Ta 2 O 5组成的组中的至少一种作为主要成分,以及加热和加热附近的电加热器13, 将湿度敏感电阻器15保持在200℃以上的温度。湿敏电阻器15和固定电阻器串联连接在交流电压源17上,并且湿敏电阻器15或固定电阻器16两端的电压由 AC / DC转换器,并且通过比较器与参考电压进行比较,从而可以在宽的温度范围内测量响应于大气中的湿度的输出。
摘要:
A humidity detecting resistor porcelain element, with at least one portion of an electrode being made of a resistance heating unit and the electrode serving for the resistance heating unit and humidity detecting element, and a humidity detecting apparatus using the humidity detecting resistor porcelain element. The heating and cleaning operations of the humidity detecting resistor porcelain can be uniformly and efficiently performed, thus ensuring the stable humidity detection. Also, the circuit construction of the humidity detecting apparatus can be simplified. They can be provided for use in the detecting and controlling operations of the various humidities.
摘要:
Basic zinc compound flake-like crystalline material suited for use in crystal-oriented electronic devices and method for preparation thereof comprising the steps of preparing a solution including at least zinc ions and sulfate ions, and causing precipitation of zinc sulfate crystals by causing a reaction of components of said solution with alkali when said solution is at a temperature in the range 50.degree. to 100.degree. C. and has a pH value of in the range 4 to 6.5.