公开(公告)号：KR100444222B1

公开(公告)日：2004-08-16

申请号：KR1020010070537

申请日：2001-11-13

Applicant: 삼성전기주식회사

Inventor： 김우섭 ,  허강헌 ,  김종한 ,  김준희

IPC: C04B35/46 ,  H01B3/12 ,  H01P7/10

CPC classification number: C04B35/462 ,  C03C8/14 ,  C03C14/004 ,  C04B35/465 ,  C04B2235/3203 ,  C04B2235/3206 ,  C04B2235/3208 ,  C04B2235/3224 ,  C04B2235/3281 ,  C04B2235/36 ,  C04B2235/80 ,  C04B2235/85

Abstract: A dielectric ceramic composition of high dielectric constant and low dielectric loss, which can be co-fired with Ag electrodes, is provided for use in various parts of electric and electronic appliances. Based on a base composition with a high dielectric constant, the composition comprises glass frit and optionally CuO, as represented by the following formula:wherein, 13.0 mol %

Abstract translation: 提供可以与Ag电极共烧的高介电常数和低介电损耗的介电陶瓷组合物，用于电气和电子设备的各种部件。 基于具有高介电常数的基础组合物，该组合物包含玻璃料和任选的CuO，如下式所示：其中，13.0mol％≤x≤20.0mol％; 10.0摩尔％≤Y1+Y2≤17.0摩尔％; 6.0摩尔％≤w≤11.0摩尔％; 60.0摩尔％≤z≤67.0摩尔％，条件是x + y1 + y2 + w + z = 100; 85.0wt。 ％≤a≤97.0wt。 ％; 3.0wt。 ％≤b≤15.0wt。 ％; 并且c <= 7.0WT。 ％。

公开(公告)号：KR1020030012222A

公开(公告)日：2003-02-12

申请号：KR1020010046170

申请日：2001-07-31

Applicant: 롯데정밀화학 주식회사 ,  삼성전기주식회사

Inventor： 정재철 ,  양우영 ,  김건일 ,  박연정 ,  이준희 ,  허강헌 ,  이재준

IPC: C01G23/00

CPC classification number: C01G23/006 ,  C01P2004/62

Abstract: PURPOSE: Provided is a barium titanate(BaTiO3) powder with easy grinding, high sinterability, high reactivity with other materials by applying ultrasonic vibration to conventional oxalate method. CONSTITUTION: The preparation method of barium titanate(BaTiO3) powder is as follows: adding a mixture of Ba- and Ti- solution, having a Ba/Ti molar ratio of 1 : 1-1.1, to an oxalic acid(H2C2O4) solution(20-100deg.C) under ultrasonic vibration at a frequency of 10-50kHz; aging the reactant solution under ultrasonic vibration to prevent growth of precipitates, BaTiO(C2O4)2-4H2O; filtering and washing; thermal decomposing the formed BaTiO(C2O4)2-4H2O(

Abstract translation: 目的：提供一种易于研磨，高烧结性，与其他材料的高反应性的钛酸钡（BaTiO3）粉末，通过对常规草酸盐法施加超声波振动。 构成：钛酸钡（BaTiO3）粉末的制备方法如下：将Ba / Ti摩尔比为1：1-1.1的Ba-和Ti-溶液的混合物加入到草酸（H 2 C 2 O 4）溶液 20-100deg.C），频率为10-50kHz; 在超声波振动下老化反应物溶液，以防止沉淀物生长，BaTiO（C2O4）2-4H2O; 过滤洗涤; 在700-1200摄氏度下热分解形成的BaTiO（C2O4）2-4H2O（<= 10微米）; 研磨得到0.3-0.4微米尺寸的BaTiO3粉末。 制备的BaTiO3用作多层陶瓷电容器，压电体，PTC热敏电阻等的原料。

公开(公告)号：KR1020020049677A

公开(公告)日：2002-06-26

申请号：KR1020000078892

申请日：2000-12-20

Applicant: 삼성전기주식회사

Inventor： 손희영 ,  이상표 ,  허강헌 ,  이종연

IPC: C04B35/468 ,  H01B3/12 ,  H01G4/12

CPC classification number: C04B35/468 ,  C04B35/6303 ,  C04B2111/00844 ,  C04B2111/90 ,  C04B2235/3236 ,  C04B2235/5436 ,  H01B3/12 ,  H01G4/1227 ,  H01G4/30

Abstract: PURPOSE: Provided is a dielectric composition for Y5V layered chip capacity with Ni used as an internal electrode which adds a certain quantity of NiO to BCSTZ or BCTZ basic composition so that it guarantees excellent insulation property with minimizing the reduction of dielectric constant. CONSTITUTION: The dielectric composition for Y5V layered chip capacity with Ni used as the internal electrode contains (Ba1-x-yCaxSry)m(Ti1-zZrz)O3 as a basic component with meeting 0.05

Abstract translation: 目的：提供一种用于Y5V分层芯片容量的电介质组合物，其中Ni用作内部电极，其向BCSTZ或BCTZ基础组合物添加一定量的NiO，从而保证优异的绝缘性能，同时最小化介电常数的降低。 构成：以Ni作为内电极的Y5V层叠芯片容量的电介质组成含有（Ba1-x-yCaxSry）m（Ti1-zZrz）O3作为碱性组分，满足0.05 <= x <= 0.07mol％，0.09 < = y <= 0.10mol％，0.12 <= z <= 0.18mol％，1 <= m <= 1.05mol％。 电介质组合物的特征在于包括0.1-0.5wt％的NiO; 不少于一种来自HfO2，MnO2和ZrO2的材料; 并且不少于一种来自Y2O3，V2O5，Al2O3和Er2O3的材料。

公开(公告)号：KR1020010097248A

公开(公告)日：2001-11-08

申请号：KR1020000021149

申请日：2000-04-21

Applicant: 삼성전기주식회사

Inventor： 김우섭 ,  김준희 ,  허강헌

IPC: H01B3/12

Abstract: 본 발명은 듀플랙서 등의 부품에 사용되는 고주파 유전체 조성물에 관한 것으로, 그 목적은 15,000∼40,000의 Qf와 TCF를 자유롭게 조절하면서 유전율을 40수준으로 올릴 수 있는 고주파 유전체 조성물을 제공함에 있다.
상기 목적을 달성하기 위한 본 발명은,
a ZrO
2 - b ZnO - c Nb
2 O
5 - d TiO
2 [ 5.0 ≤ a ≤45.0, 1.5 ≤b ≤18.0, 1.5 ≤c ≤18.0, 50.0 ≤d ≤59.0]로 조성되는 유전체 조성물; 그리고,
a ZrO
2 - b ZnO - c Nb
2 O
5 - d TiO
2 [5.0 ≤ a ≤45.0, 1.5 ≤b ≤18.0, 1.5 ≤c ≤18.0, 50.0 ≤d ≤59.0]의 기본조성에
SnO
2 , MnO
2 , Ta
2 O
5 , CaO, SiO
2 , Sb
2 O
5 , Sb
2 O
3 , Al
2 O
3 , WO
3 의 그룹에서 선택된 1종 또는 2종이상과 MgO:1.5wt이하로 조성되는 저손실 고유전율 고주파 유전체 조성물에 관한 것을 그 기술적요지로 한다.

公开(公告)号：KR1020010008807A

公开(公告)日：2001-02-05

申请号：KR1019990026817

申请日：1999-07-05

Applicant: 삼성전기주식회사

Inventor： 허강헌 ,  이재준

IPC: C01G23/04

CPC classification number: C01G23/006 ,  C01P2004/32 ,  C01P2004/51 ,  C01P2004/62

Abstract: PURPOSE: Provided is an easy and economic preparation method of BaTiO3-based oxides by modified oxalate method which is characterized by having more steps, primary milling, calcination, and secondary milling compared with a conventional oxalate method. The resultant BaTiO3-based oxide powder has spherical shape, mono-size and reproducible Ba/Ti control required for ceramic condensers, PTC and piezoelectrics. CONSTITUTION: The preparation method comprises the steps of: preparing BaCl2/TiCl4 solution by mixing 0.2-2.0mol/l of BaCl2 with 0.2-2.0mol/l of TiCl4 aqueous solution in a molar ratio of 1-1.5; preparing 0.2-5.0mol/l of oxalic acid((COOH)2), where a molar ratio of (COOH)2/TiCl4 is 1-3.0; adding BaCl2/TiCl4 solution at a 1-50ml/l rate to 50-100deg.C of oxalic acid solution for precipitating barium titanic oxalate(BTO, BaTi(C2O4)24H2O); aging for 1-100hrs.; drying at 50-200deg.C; thermal decomposing by heating at 2-10deg.C/min and holding at 600-1000deg.C; optionally substituting one or at least two element selected from Sr, Ca, Mg, Pb for Ba, and substituting one or at least two element selected from Zr, Hf, Sn for Ti; primary milling to 0.1-0.3micrometer of particle diameter; calcining at 800-1200deg.C; secondary milling to 0.2-1micrometer of particle diameter.

Abstract translation: 目的：提供一种通过改性草酸盐法制备BaTiO3基氧化物的方法和经济的制备方法，其特征在于与常规草酸盐方法相比，具有更多的步骤，一次研磨，煅烧和二次研磨。 所得的BaTiO 3基氧化物粉末具有球形，陶瓷电容器，PTC和压电所需的单尺寸和可再现的Ba / Ti控制。 制备方法：制备BaCl2 / TiCl4溶液，混合0.2-2.0mol / L BaCl 2与0.2-2.0mol / l TiCl4水溶液，摩尔比为1-1.5; 制备0.2-5.0mol / l草酸（（COOH）2），其中（COOH）2 / TiCl4的摩尔比为1-3.0; 将BCl 2 / TiCl 4溶液以1-50ml / l的速率加入到50-100g草酸溶液中以沉淀草酸钡（BTO，BaTi（C 2 O 4）24H 2 O）; 老化1-100hrs; 在50-200℃烘干; 通过加热2-10℃/分钟进行热分解并保持在600-1000℃。 任选地将选自Sr，Ca，Mg，Pb中的一种或至少两种元素取代为Ba，并且用选自Zr，Hf，Sn中的一种或至少两种元素代替Ti; 一次研磨至0.1-0.3微米的粒径; 煅烧800-1200℃; 二次研磨至0.2-1微米的粒径。

公开(公告)号：KR1020000040804A

公开(公告)日：2000-07-05

申请号：KR1019980056531

申请日：1998-12-19

Applicant: 삼성전기주식회사

Inventor： 김성은 ,  허강헌

IPC: C01G23/053

CPC classification number: C01G23/006 ,  C01P2002/34 ,  C01P2004/62

Abstract: PURPOSE: Methods for preparing barium titanate (BaTiO3) and Perovskite-type complex oxide are provided, to improve its composition and uniformity in size. CONSTITUTION: Barium titanate is prepared by adding liquid ammonia to 0.5-2.0 mol/L of the titanium chloride solution to prepare hydrogenated titania; mixing the hydrogenated titania with 0.5-2.0 mol/L of the aqueous solution of barium nitrate or barium chloride to prepare sludge; spray-drying or lyophilizing the sludge to obtain granule having the mean size of 10-100 micrometers; cracking the granule at the temperature of 650-1,200°C; and pulverizing the cracked one. Perovskite-type complex oxide (ABO3 type) is prepared by adding liquid ammonia to the aqueous solution containing B element to prepare the mixed hydrate; mixing the hydrate with the aqueous solution containing A element to prepare sludge; spray-drying or lyophilizing the sludge to obtain granule; cracking the granule; and pulverizing the cracked one. Preferably the A element is selected from Sr, Ca, Mg, Pb and Ba and the B element is selected from Ti, Zr, Hf and Sn.

Abstract translation: 目的：提供制备钛酸钡（BaTiO3）和钙钛矿型复合氧化物的方法，以改善其组成和尺寸均匀性。 构成：通过向0.5-2.0mol / L氯化钛溶液中加入液氨制备氢化二氧化钛制备钛酸钡; 将氢化二氧化钛与0.5-2.0mol / L的硝酸钡或氯化钡水溶液混合以制备污泥; 将污泥喷雾干燥或冻干，得到平均粒径为10-100微米的颗粒; 在650-1200℃的温度下破碎颗粒; 并粉碎破裂的。 通过向含有B元素的水溶液中加入液氨制备混合水合物，制备钙钛矿型复合氧化物（ABO3型） 将水合物与含有A元素的水溶液混合以制备污泥; 喷雾干燥或冻干污泥得到颗粒; 破碎颗粒; 并粉碎破裂的。 优选地，A元素选自Sr，Ca，Mg，Pb和Ba，B元素选自Ti，Zr，Hf和Sn。

公开(公告)号：KR1020000037542A

公开(公告)日：2000-07-05

申请号：KR1019980052151

申请日：1998-12-01

Applicant: 삼성전기주식회사

Inventor： 김우섭 ,  허강헌

IPC: C04B35/46

CPC classification number: H01B3/12 ,  C04B35/462 ,  C04B2235/768

Abstract: PURPOSE: A high frequency dielectric composition is provided, to lower the phase-forming temperature and the sintering temperature and to allow the temperature coefficient of resonance frequency to be controlled by using an additive. CONSTITUTION: A high frequency dielectric composition comprises the modified Perovskite structured material which is represented by the formula (1-y)Ca_(1-x) Ln_2x/3 TiO3 - yLi_3w Ln_2/3-w TiO3, wherein Ln is one ore more elements selected from the group consisting of Sm, Nd, La and Pr. The composition is prepared by using the source material whose content ratio is controlled to satisfy the conditions that x is between 0 and 1.0, y is between 0.3 and 1.0, and w is between 0 and 0.25; and 0.1-10 wt% of the product prepared from Li2O-B2O3, as a starting material. Preferably the source material is Li2CO3, CaCO3, Ln2O3 and TiO2, and the the product prepared from Li2O-B2O3 is Li2B2O4.

Abstract translation: 目的：提供高频电介质组合物，以降低相变温度和烧结温度，并通过使用添加剂来控制共振频率的温度系数。 构成：高频电介质组合物包含由式（1-y）Ca（1-x）Ln_2x / 3TiO3-yLi_3w Ln_2 / 3-w TiO3表示的改性钙钛矿结构材料，其中Ln是一个以上元素 选自Sm，Nd，La和Pr。 通过使用其含量比被控制以满足x在0和1.0之间的条件，y在0.3和1.0之间，w在0和0.25之间的条件来制备组合物; 和0.1〜10重量％的由Li 2 O-B 2 O 3制备的产物作为原料。 原料优选为Li2CO3，CaCO3，Ln2O3和TiO2，Li2O-B2O3制备的产品为Li2B2O4。

公开(公告)号：KR1020000010400A

公开(公告)日：2000-02-15

申请号：KR1019980031298

申请日：1998-07-31

Applicant: 삼성전기주식회사

Inventor： 허강헌 ,  조영진

IPC: C04B35/00 ,  C04B35/46 ,  C04B35/622

CPC classification number: C04B35/491 ,  C04B35/6267 ,  C04B35/64 ,  C04B41/85 ,  C04B2235/441

Abstract: PURPOSE: A process for preparing a ceramic thick film by calcining a crystalline ceramic film with a thickness of above 1 micro meter at a low temperature of 500-1,000°C is provided which reduces the production cost and can produce a wide range of functional device. CONSTITUTION: The process comprises a)preparing process of slurry by blending 0.1-2.0 M single or mixture alkoxide solution with ceramic powder containing metal element of the alkoxide, b)forming process of a fixed form of film on a base plate or conventional film by hydrolyzing the slurry, c)drying process, and d)calcining process at 500-1,000°C. Ceramic powder is selected from PZT, lead titanate oxide, barium titanate oxide, titania, zirconia, alumina, and silica and charged with the amount of 70-95 weight% and has a mean particle diameter of 0.2-2.0 micro meters. The forming and drying process are repeated more than two times and the forming process of film is done by one method of coating, printing and casting.

Abstract translation: 目的：提供一种通过在500-1,000℃的低温下煅烧厚度高于1微米的结晶陶瓷膜来制备陶瓷厚膜的方法，其降低了生产成本并且可以产生宽范围的功能装置 。 方法：该方法包括：a）通过将0.1-2.0M的单一或混合醇盐溶液与含有醇盐的金属元素的陶瓷粉末混合制备浆料，b）在基板或常规膜上形成固定形式的膜的方法 水解浆料，c）干燥过程，和d）在500-1,000℃煅烧过程。 陶瓷粉末选自PZT，钛酸铅，氧化钛，氧化钛，二氧化钛，氧化锆，氧化铝，二氧化硅，加入量为70-95重量％，平均粒径为0.2-2.0微米。 成型和干燥过程重复两次以上，薄膜的成型工艺通过一种涂布，印刷和铸造方法进行。

公开(公告)号：KR101901697B1

公开(公告)日：2018-11-07

申请号：KR1020160033199

申请日：2016-03-21

Applicant: 삼성전기주식회사

Inventor： 김한 ,  허강헌 ,  이상종 ,  서정욱

IPC: H01F41/04 ,  H01F27/28 ,  H01F38/14 ,  H01F17/00

CPC classification number: H01F27/2804 ,  H01F38/14 ,  H01F41/041 ,  H01F2027/2809

Abstract: 본출원은코일장치의제작방법및 코일장치에관한것으로서, 본발명의일 실시예에따른코일장치는베이스층, 및상기베이스층의일면에형성된제1 코일패턴을포함하고, 상기제1 코일패턴은상기베이스층의일면에접착된코퍼포일을이용하여형성된제1 시드층, 및도금공정을통하여상기제1 시드층상에성장형성된제1 도금층을포함한다.

公开(公告)号：KR101813290B1

公开(公告)日：2017-12-28

申请号：KR1020120094805

申请日：2012-08-29

Applicant: 삼성전기주식회사

Inventor： 유영석 ,  허강헌 ,  위성권 ,  윤호진 ,  이종윤 ,  양주환 ,  양진혁 ,  권영도 ,  김은하

IPC: H01P1/20

CPC classification number: H01F27/2804 ,  H01F17/0013 ,  H01F2017/0066

Abstract: 본발명은박막형공통모드필터에관한것으로서, 절연재질로이루어진베이스기판; 상기베이스기판위에형성된제1절연층; 상기제1절연층위에한 층으로형성되며, 한층에 2개의코일전극이코일이감기는방향을따라중첩되는동시코일패턴을형성하는내부전극; 상기내부전극위에형성되며, 코일간의간격보다높게형성하는제2절연층; 상기내부전극의사이드측면에서접속되는수직구간과, 상기수직구간상부끝단에서수평방향으로연장되어내부전극과소정거리이격된평행면을형성하는수평구간으로이루어진외부전극단자; 및상기제1절연층, 제2절연층, 외부전극단자의수평구간측벽의일부가수용되도록형성되는페라이트수지층;을포함한다. 본발명은공통모드필터의내부전극을코일전극형태로제작하되, 한층에 2개의코일전극이코일이감기는방향을따라중첩되는동시코일패턴을형성하며, 내부전극위에형성되는제2절연층의높이를코일간의간격보다높게형성함으로써, 기생캐패시턴스발생부위를근본적으로차단할수 있고, 공통모드필터로서의필터링(Filtering) 성능을그대로유지하면서도한편으로는자기공진주파수(SRF)를높일수 있는효과를갖는다.

Abstract translation: 本发明涉及一种薄膜共模滤波器中，由绝缘材料制成的基板; 形成在基底基板上的第一绝缘层; 首先是形成在绝缘层上的层，内部电极，这是两个线圈电极以进一步形成同时线圈图案，所述线圈沿重叠方向卷绕; 第二绝缘层，形成在所述内部电极上并形成为具有高于所述线圈之间的间隙的高度; 形成在水平截面的外部电极端子，形成在内部电极和间隔开的平行的平面和垂直部和在垂直截面的上端被连接在所述内电极的一侧面侧的水平方向上延伸; 并且形成为容纳第一绝缘层，第二绝缘层和外部电极端子的水平部分的侧壁的一部分的铁氧体树脂层。 本发明中，但生产的线圈电极形状的共模滤波器的内部电极的，以及两个线圈电极到连线圈缠绕，以形成一个共线圈图案沿第二绝缘层形成在电极上的方向上重叠 通过形成在线圈之间的距离以上的高度，并且可以基本上切断的寄生电容产生部分，同时保持共模滤波器（滤波）性能过滤它具有在另一方面euroneun nopilsu的自谐振频率（SRF）的效果。