公开(公告)号：US4601990A

公开(公告)日：1986-07-22

申请号：US682715

申请日：1984-12-17

申请人： Minato Ando ,  Masaaki Ito ,  Takashi Kato

发明人： Minato Ando ,  Masaaki Ito ,  Takashi Kato

IPC分类号： C04B35/111 ,  C04B35/10

CPC分类号： C04B35/111

摘要： A high-alumina ceramic composition is described, having a low dielectric loss in the extremely high frequency range, said composition consisting essentially of Al.sub.2 O.sub.3, SiO.sub.2, and MgO, with the Al.sub.2 O.sub.3 content being in the range of from 99.7 to 99.9% and the SiO.sub.2 /MgO weight ratio being in the range of from 1.0/1 to 0.2/1.

摘要翻译： 描述了在极高频率范围内具有低介电损耗的高氧化铝陶瓷组合物，所述组合物基本上由Al 2 O 3，SiO 2和MgO组成，Al 2 O 3含量在99.7-99.9％范围内，SiO 2 / MgO重量比在1.0 / 1至0.2 / 1的范围内。

公开(公告)号：US4735926A

公开(公告)日：1988-04-05

申请号：US839579

申请日：1986-03-14

申请人： Minato Ando ,  Masaaki Ito ,  Fumio Mizuno

发明人： Minato Ando ,  Masaaki Ito ,  Fumio Mizuno

IPC分类号： C04B35/111 ,  H01B3/12 ,  H01P7/10 ,  C04B35/46

CPC分类号： C04B35/111

摘要： A dielectric alumina ceramic body having a constant dielectric loss tangent tan .delta. is obtained by sintering a composition consisting essentially of:100 parts by weight of a ternary formulation consisting of 92.4 to 98.7 mol % Al.sub.2 O.sub.3, at least 0.5 mol % CaO, and 1.3 to 7.6 mol % TiO.sub.2 ; andat least one selected from the group consisting of Cr.sub.2 O.sub.3 and NiO subject to the relation of: ##EQU1## where x is the weight part of Cr.sub.2 O.sub.3 per 100 parts by weight of said formulation,y is the weight part of NiO per 100 parts by weight of said formulation, andz is the mol % of Al.sub.2 O.sub.3 in the formulation,provided that x.gtoreq.0 and y.gtoreq.0, except x=y=0.

摘要翻译： 具有恒定介电损耗角正切tanδ的电介质氧化铝陶瓷体通过烧结基本上由以下组成的组合物获得：100重量份的由92.4至98.7mol％的Al 2 O 3，至少0.5mol％的CaO和1.3至 7.6mol％TiO 2; 和选自Cr 2 O 3和NiO中的至少一种，其关系如下：＆lt; IMAGE＆gt;其中x是每100重量份所述制剂的Cr 2 O 3的重量份，y是NiO每100重量份的重量份 所述制剂的重量，z是制剂中Al 2 O 3的摩尔％，条件是除了x = y = 0，x> = = 0且y> / = 0。

公开(公告)号：US4720471A

公开(公告)日：1988-01-19

申请号：US824472

申请日：1986-01-31

申请人： Minato Ando ,  Masaaki Ito ,  Fumio Mizuno

发明人： Minato Ando ,  Masaaki Ito ,  Fumio Mizuno

IPC分类号： C04B35/111 ,  H01B3/12 ,  C04B35/10 ,  C04B35/46

CPC分类号： C04B35/111

摘要： A sintered alumina porcelain composition is described consisting of a ternary composition consisting of from 96 to 99 mol % of Al.sub.2 O.sub.3 and the remainder consisting of CaO and TiO.sub.2 present in a CaO/TiO.sub.2 molar ratio of from 0.8/1 to 1.1/1 and SiO.sub.2, wherein based on 100 parts by weight of the ternary Al.sub.2 O.sub.3 --CaO--TiO.sub.2 composition, SiO.sub.2 is present in an amount within the range defined by the area within the straight lines connecting points A-B-C-D-E-F-A in the composition diagram set forth in the attached drawing for describing the relationship between the SiO.sub.2 content and the Al.sub.2 O.sub.3 molar ratio, provided that point A is excluded from the range of the SiO.sub.2 content, with said points having the following locations:______________________________________ SiO.sub.2 Al.sub.2 O.sub.3 (parts by weight) (mol %) ______________________________________ Point A 0 96 Point B 0.01 98 Point C 0.03 99 Point D 1.20 99 Point E 0.48 98 Point F 0.14 96 ______________________________________

摘要翻译： 描述了一种烧结氧化铝瓷组合物，其由以下组成：由96至99mol％的Al 2 O 3组成的组成，其余由以CaO / TiO 2摩尔比为0.8 / 1-1.1 / 1和SiO 2组成的CaO和TiO 2组成， 其中，基于100重量份的三元Al 2 O 3 -C CaO-TiO 2组合物，SiO 2的量存在于由附图中阐述的组成图中连接点ABCDEFA的直线内的面积所限定的范围内，用于描述 SiO 2含量与Al 2 O 3摩尔比之间的关系，条件是将A点从SiO 2含量的范围排除，所述点具有以下位置：-SiO 2 Al 2 O 3 - （重量份）（摩尔％） - 点A 0 96-Point B 0.01 98 -Point C 0.03 99 -Point D 1.20 99 -Point E 0.48 98 -Point F 0.14 96 -

公开(公告)号：US4643985A

公开(公告)日：1987-02-17

申请号：US756948

申请日：1985-07-19

申请人： Minato Ando ,  Masaaki Ito ,  Fumio Mizuno

发明人： Minato Ando ,  Masaaki Ito ,  Fumio Mizuno

IPC分类号： H01B3/12 ,  C04B35/00 ,  C04B35/111 ,  H01P7/10 ,  C04B35/10 ,  C04B35/46

CPC分类号： C04B35/111

摘要： Disclosed are dielectric porcelain materials having compositions falling in the quadrilateral area defined by connecting points A, B, C and D in the ternary diagram of components Al.sub.2 O.sub.3, CaTiO.sub.3 and SrTiO.sub.3 in the drawing. The points A, B, C and D are represented in mol % as follows:______________________________________ Al.sub.2 O.sub.3 CaTiO.sub.3 SiTiO.sub.3 ______________________________________ A 0.99 0.01 0 B 0.96 0.035 0.005 C 0.91 0.04 0.05 D 0.91 0.01 0.08. ______________________________________ The dielectric porcelain materials have thermal coefficients between -15 and +15 and a no-load Q not less than 4000.

摘要翻译： 公开了具有落在四边形区域中的组成的电介质陶瓷材料，其在图中的Al 2 O 3，CaTiO 3和SrTiO 3组分的三元图中通过连接点A，B，C和D连接。 点A，B，C和D以摩尔％表示如下：-Al 2 O 3 CaTiO 3 SiTiO 3 -A 0.99 0.01 0 -B 0.96 0.035 0.005 -C 0.91 0.04 0.05 -D 0.91 0.01 0.08。 - 介电瓷材料的热系数介于-15和+15之间，空载Q不小于4000。

公开(公告)号：US4601991A

公开(公告)日：1986-07-22

申请号：US800855

申请日：1985-11-22

申请人： Minato Ando ,  Masaaki Ito

发明人： Minato Ando ,  Masaaki Ito

IPC分类号： C04B35/111 ,  H01B3/12 ,  C04B35/10

CPC分类号： C04B35/111

摘要： An alumina porcelain composition is described, consisting essentially of from 99.4 to 99.9% by weight Al.sub.2 O.sub.3 and a remainder consisting of SiO.sub.2, CaO, and MgO within a compositional range defined by the straight lines connecting the following points A, B, and C in the weight basis ternary composition diagram set forth in the attached drawing:______________________________________ SiO.sub.2 CaO MgO ______________________________________ Point A 0.90 0.025 0.075 Point B 0.60 0.30 0.10 Point C 0.60 0.125 0.275 ______________________________________ (unit: weight fraction). The alumina porcelain composition shows a small high-frequency dielectric loss, and when the composition is utilized as a base for a microwave integrated circuit, the occurrence of problems caused by the cutting of a wiring pattern can be prevented.

摘要翻译： 描述了一种氧化铝瓷组合物，其基本上由99.4-99.9重量％的Al2O3组成，余量由SiO 2，CaO和MgO组成，其组成范围由连接以下A点，B和C点的直线所限定 重量基础三元组成图：-SiO2 CaO MgO -Point A 0.90 0.025 0.075 -Point B 0.60 0.30 0.10 -Point C 0.60 0.125 0.275 - （单位：重量分数）。 - 氧化铝瓷组合物显示小的高频介电损耗，并且当组合物用作微波集成电路的基底时，可以防止由于切割布线图案而引起的问题的发生。

公开(公告)号：US4783380A

公开(公告)日：1988-11-08

申请号：US93289

申请日：1987-09-04

申请人： Yukito Nakayama ,  Masaaki Ito ,  Minato Ando

发明人： Yukito Nakayama ,  Masaaki Ito ,  Minato Ando

IPC分类号： C04B41/51 ,  C04B41/88 ,  H05K1/09 ,  H01B1/06

CPC分类号： C04B41/009 ,  C04B41/5133 ,  C04B41/88 ,  C04B2111/00844 ,  H05K1/092 ,  Y10S428/901 ,  Y10T428/12611

摘要： A metallizing composition consists of 100 parts by weight of tungsten as a main component, from 2 to 12 parts by weight of Al.sub.2 O.sub.3, from 0.1 to 0.8 parts by weight of Ta.sub.2 O.sub.5, from 0.3 to 1.5 parts by weight of SiO.sub.2, and from 0.1 to 0.5 parts by weight in total of CaO and MgO as an additive.

摘要翻译： 金属组合物由100重量份的钨作为主要成分，2〜12重量份的Al 2 O 3，0.1〜0.8重量份的Ta 2 O 5，0.3〜1.5重量份的SiO 2和0.1〜 总共添加0.5重量份的CaO和MgO作为添加剂。

公开(公告)号：US4591574A

公开(公告)日：1986-05-27

申请号：US703959

申请日：1985-02-21

申请人： Minato Ando ,  Masaaki Ito ,  Fumio Mizuno

发明人： Minato Ando ,  Masaaki Ito ,  Fumio Mizuno

IPC分类号： C04B35/111 ,  H01B3/12 ,  C04B35/10 ,  C04B35/46

CPC分类号： C04B35/111

摘要： An aluminum porcelain composition, is described, of the ternary Al.sub.2 O.sub.3 --CaO--TiO.sub.2 system, having a compositional range defined by points A, B, C, and D in the composition diagram set forth in the drawing, wherein the points A, B, C, and D represent the following molar fractions of Al.sub.2 O.sub.3, CaO, and TiO.sub.2 :______________________________________ Al.sub.2 O.sub.3 CaO TiO.sub.2 ______________________________________ point A 0.94 0.04 0.02 point B 0.81 0.14 0.05 point C 0.81 0.02 0.17 point D 0.94 0.01 0.05. ______________________________________

摘要翻译： 描述了三元Al2O3-CaO-TiO2体系的铝瓷组合物，其组成范围在图中所示的组成图中由点A，B，C和D组成，其中点A，B， C和D表示以下摩尔分数的Al2O3，CaO和TiO2：-Al2O3 CaO TiO2 -point A 0.94 0.04 0.02 - 点B 0.81 0.14 0.05 - 点C 0.81 0.02 0.17 - 点D 0.94 0.01 0.05。 -

公开(公告)号：US4614725A

公开(公告)日：1986-09-30

申请号：US778652

申请日：1985-09-23

申请人： Minato Ando ,  Masaaki Ito ,  Fumio Mizuno

发明人： Minato Ando ,  Masaaki Ito ,  Fumio Mizuno

IPC分类号： C04B35/111 ,  H01B3/12 ,  C04B35/46

CPC分类号： C04B35/111

摘要： An alumina porcelain composition is described, consisting of a main component made of from 96 to 99.5 mol % Al.sub.2 O.sub.3 and from 4 to 0.5 mol % of CaTiO.sub.3, and MgO as an auxiliary component, said MgO being present in an amount of not more than 1 part by weight per 100 parts by weight of the main component.

摘要翻译： 描述了由96〜99.5摩尔％Al 2 O 3和4〜0.5摩尔％的CaTiO 3构成的主成分和作为辅助成分的MgO的氧化铝瓷组合物，所述MgO的含量不大于1 每100重量份主要组分重量份。

公开(公告)号：US4866016A

公开(公告)日：1989-09-12

申请号：US98349

申请日：1987-09-18

申请人： Minato Ando ,  Masaaki Ito ,  Fumio Mizuno

发明人： Minato Ando ,  Masaaki Ito ,  Fumio Mizuno

IPC分类号： C04B35/111 ,  C04B35/478 ,  H01B3/12

CPC分类号： C04B35/111 ,  C04B35/478

摘要： A sintered alumina-based ceramic body exhibiting excellent electrical characteristics, in particular, excellent dielectric power factor and a temperature coefficient of a resonant frequency, which consists essentially of 0.01 to 7 parts by weight of Ta.sub.2 O.sub.5 admixed with 100 parts by weight of an expanded Al.sub.2 O.sub.3 --SnO.sub.2 --TiO.sub.2 ternary base composition (by molar fraction) of:______________________________________ Al.sub.2 O.sub.3 SnO.sub.2 TiO.sub.2 ______________________________________ 0.925 0.055 0.020 0.625 0.285 0.090 0.625 0.0245 0.3505 0.925 0.010 0.065 ______________________________________ Dielectric power factor tan .delta. of 10.times.10.sup.-5 or below and temperature coefficient (Tf) of the resonance frequency from -28 to +14 ppm/.degree. C. Tf=0 is achieved at a preferred range.An alumina-based ceramic sintered body having a compositional range within a triangular range defined by sequentially connecting the points P, Q and R in the following compositional table of the Al.sub.2 O.sub.3 --SnO.sub.2 --TiO.sub.2 ternary system, expressed in terms of the molar fraction:______________________________________ Al.sub.2 O.sub.3 SnO.sub.2 TiO.sub.2 ______________________________________ P 0.95 0.025 0.025 Q 0.70 0.225 0.075 R 0.70 0.075 0.225 ______________________________________ can provide the same dielectric power factor but with a temperature coefficient .tau..sub..epsilon. of the dielectric constant from -40 to +40 ppm/.degree. C. within 1 MHz to 7 GHz.

摘要翻译： 表现出优异的电特性，特别是优异的介电功率因数和共振频率的温度系数的烧结氧化铝基陶瓷体，其基本上由0.01至7重量份的Ta 2 O 5组成，与100重量份的发泡Al 2 O 3 -SnO 2 -TiO 3三元基组成（摩尔分数）：-Al 2 O 3 SnO 2 TiO 2 -0.925 0.055 0.020 -0.625 0.285 0.090 -0.625 0.0245 0.3505 -0.925 0.010 0.065 - 介电功率因数tanδ为10×10-5以下，温度系数 Tf），共振频率为-28〜+ 14ppm /℃。在优选范围内实现Tf = 0。 在Al2O3-SnO2-TiO2三元体系的以下组成表中依次连接点P，Q和R所定义的组成范围在三角形范围内的氧化铝基陶瓷烧结体，以摩尔分数表示： Al2O3 SnO2 TiO2 -P 0.95 0.025 0.025 -Q 0.70 0.225 0.075 -R 0.70 0.075 0.225 - 可以提供相同的介电功率因数，但介电常数的介电常数为τε，介电常数为-40至+40 ppm /℃，1 MHz至7 GHz。

公开(公告)号：US4668646A

公开(公告)日：1987-05-26

申请号：US900512

申请日：1986-08-26

申请人： Minato Ando ,  Masaaki Ito ,  Fumio Mizuno

发明人： Minato Ando ,  Masaaki Ito ,  Fumio Mizuno

IPC分类号： C04B35/111 ,  H01B3/12 ,  H01P7/10 ,  C04B35/10 ,  C04B35/46

CPC分类号： C04B35/111

摘要： An alumina ceramic composition to provide a low dielectric loss in the high frequency region upon sintering, which consists essentially of: 100 parts by weight of a base composition containing therein Al.sub.2 O.sub.3, CaO and TiO.sub.2 within their respective compositional range; and 0.03 to 3 parts by weight of La.sub.2 O.sub.3. The base composition is within a range A-B-C-D-E-A in the ternary diagram (Figure) in molar fraction:______________________________________ Al.sub.2 O.sub.3 CaO TiO.sub.2 ______________________________________ A 99.0 0.5 0.5 B 94.5 3.7 1.8 C 90.0 7.0 3.0 D 90.0 2.0 8.0 E 94.5 1.3 4.2 ______________________________________

摘要翻译： 一种氧化铝陶瓷组合物，其在烧结时在高频区域提供低介电损耗，其基本上由以下组成：100重量份在其各自的组成范围内含有Al 2 O 3，CaO和TiO 2的基础组合物; 和0.03〜3重量份的La 2 O 3。 基础组成在摩尔分数三元图（图）中的A-B-C-D-E-A范围内：-Al 2 O 3 CaO TiO 2 -A 99.0 0.5 0.5 -B 94.5 3.7 1.8 -C 90.0 7.0 3.0 -D 90.0 2.0 8.0 -E 94.5 1.3 4.2 -