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    • 3. 发明申请
    • TEMPERATURE SENSOR ELEMENT AND METHOD OF MANUFACTURING THE SAME
    • 温度传感器元件及其制造方法
    • US20090268779A1
    • 2009-10-29
    • US12111405
    • 2008-04-29
    • Nobuyuki HottaKazushige Ohbayashi
    • Nobuyuki HottaKazushige Ohbayashi
    • G01K7/02
    • G01K7/04G01K1/10G01K1/18G01K2205/04
    • A temperature sensor element 10 has a reduced thermal conduction path from a measurement object to a sensitive end portion 22 of a thermocouple 21 and a high-dense insulating ceramic base body 20. Since the temperature sensor element 10 has excellent thermal conductivity from the measurement object to the sensitive end portion 22 of the thermocouple 21, it is also excellent in responsiveness at the time of temperature detection. Further, corrosion and material deterioration of the thermocouple 21 is unlikely to occur because the thermocouple 21 does not directly contact the measurement object (exhaust gas). As a result, the temperature sensor element 10 exhibits excellent durability. Therefore, the temperature sensor element 10 exhibits a good responsiveness at the time of temperature detection as well as excellent durability.
    • 温度传感器元件10具有从测量对象到热电偶21和高密度绝缘陶瓷基体20的敏感端部22的热传导路径的减小。由于温度传感器元件10具有来自测量对象的优异的导热性 到热电偶21的敏感端部22时,在温度检测时的响应性也优异。 此外,由于热电偶21不直接接触测量对象(废气),所以不可能发生热电偶21的腐蚀和材料劣化。 结果,温度传感器元件10具有优异的耐久性。 因此,温度传感器元件10在温度检测时表现出良好的响应性以及优异的耐久性。
    • 4. 发明授权
    • Temperature sensor element and method of manufacturing the same
    • 温度传感器元件及其制造方法
    • US07891870B2
    • 2011-02-22
    • US12111405
    • 2008-04-29
    • Nobuyuki HottaKazushige Ohbayashi
    • Nobuyuki HottaKazushige Ohbayashi
    • G01K7/00
    • G01K7/04G01K1/10G01K1/18G01K2205/04
    • A temperature sensor element 10 has a reduced thermal conduction path from a measurement object to a sensitive end portion 22 of a thermocouple 21 and a high-dense insulating ceramic base body 20. Since the temperature sensor element 10 has excellent thermal conductivity from the measurement object to the sensitive end portion 22 of the thermocouple 21, it is also excellent in responsiveness at the time of temperature detection. Further, corrosion and material deterioration of the thermocouple 21 is unlikely to occur because the thermocouple 21 does not directly contact the measurement object (exhaust gas). As a result, the temperature sensor element 10 exhibits excellent durability. Therefore, the temperature sensor element 10 exhibits a good responsiveness at the time of temperature detection as well as excellent durability.
    • 温度传感器元件10具有从测量对象到热电偶21和高密度绝缘陶瓷基体20的敏感端部22的热传导路径的减小。由于温度传感器元件10具有来自测量对象的优异的导热性 到热电偶21的敏感端部22时,在温度检测时的响应性也优异。 此外,由于热电偶21不直接接触测量对象(废气),所以不可能发生热电偶21的腐蚀和材料劣化。 结果,温度传感器元件10具有优异的耐久性。 因此,温度传感器元件10在温度检测时表现出良好的响应性以及优异的耐久性。
    • 6. 发明授权
    • Dielectric material with low temperature coefficient and high quality
    • 介电材料,温度系数低,质量好
    • US6121174A
    • 2000-09-19
    • US938158
    • 1997-09-26
    • Hitoshi YokoiHidetoshi MizutaniMotohiko SatoKazushige Ohbayashi
    • Hitoshi YokoiHidetoshi MizutaniMotohiko SatoKazushige Ohbayashi
    • C04B35/18C03C10/00C03C10/06C04B35/00H01B3/02H01B3/12H01P7/08H05K1/03H05K3/46C03C14/00
    • H01P7/082C03C10/0045H01P7/084H05K1/0306
    • A dielectric material is disclosed which has a small absolute value of the temperature coefficient of resonance frequency and a high coefficient of unloaded quality. Also disclosed are a process for producing the dielectric material and multilayer and other circuit boards containing the dielectric material. The dielectric material is a highly densified material having a water absorption lower than 0.1%, which is obtained by mixing 95.5 to 99.5 percent by weight mixture of a glass frit and a strontium compound with 0.5 to 4.5 percent by weight titanium dioxide, compacting the resultant mixture, and sintering the compact at a relatively low temperature around 930.degree. C. This dielectric material is a glass ceramic containing strontium anorthite (SrAl.sub.2 Si.sub.2 O.sub.8) as the main crystalline phase, and may contain the TiO.sub.2, which remains unchanged after sintering. The absolute value of the temperature coefficient of resonance frequency of the dielectric material is 20 ppm/.degree. C. or lower, preferably 10 ppm/.degree. C. or lower, more preferably 5 ppm/.degree. C. or lower. The product of the unloaded quality coefficient and resonance frequency is 1,800 GHz or larger, preferably 2,500 GHz or larger. This material therefore has excellent dielectric properties.
    • 公开了一种介电材料,其谐振频率的温度系数的绝对值小,并且具有高的卸载质量系数。 还公开了用于制造包含电介质材料的电介质材料和多层和其它电路板的方法。 电介质材料是吸水率低于0.1%的高度致密化的材料,其通过将玻璃料和锶化合物的95.5-99.5重量%的混合物与0.5-4.5重量%的二氧化钛混合而获得,将所得物 混合物,并在930℃附近的相对较低的温度下烧结。该介电材料是含有锶钙长石(SrAl 2 Si 2 O 8)作为主要结晶相的玻璃陶瓷,并且可以含有在烧结后保持不变的TiO 2。 介电材料的共振频率的温度系数的绝对值为20ppm /℃以下,优选为10ppm /℃以下,更优选为5ppm /℃以下。 无载质量系数和谐振频率的乘积为1800GHz以上,优选为2,500GHz以上。 因此该材料具有优异的介电特性。