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    • 2. 发明授权
    • 자기 저항 램 및 그의 제조방법
    • 磁阻随机存取存储器及其制造方法
    • KR100829556B1
    • 2008-05-14
    • KR1020020029956
    • 2002-05-29
    • 삼성전자주식회사
    • 박완준이택동박병국김태완송이헌박상진
    • G11C11/15
    • H01L27/228B82Y10/00
    • 본 발명은 자기저항 램 및 그의 제조방법에 관한 것이다. 본 발명은 반도체 기판 상에 제1게이트와 소스 및 드레인 정션으로 형성된 모스 트랜지스터와, 소스 정션에 연결된 하부전극과, 이 하부전극 상 면에 형성된 제1자성체막과, 제1자성체막 상에 형성되어 이 제1자성체막과 포텐셜 웰을 형성하도록 알루미늄(Al)과 하프늄(Hf)이 함유된 절연성의 배리어막와, 제2자성체막과 대응되어 배리어막의 상부에 형성된 제2자성체막과, 제2자성체막 상에 형성된 상부전극과, 하부전극과 게이트 사이에 개재되어 제1자성체막의 자성정보를 조정하는 제2게이트 및 제1게이트와 수직으로 교차하여 상부 전극과 연결된 비트라인을 포함한다.
      이렇게 배리어막으로서 알루미늄 산화막(Al
      2 O
      3 )에 하프늄(Hf)이 첨가된 산화막을 적용함으로써, 배리어막의 특성이 개선되어 자기저항률(MAGNETIC RESISTANCE RATIO)가 향상되고 따라서, 자기저항 램의 정보저장 능력이 향상된다.
    • 6. 发明公开
    • 자기 디스크 및 그 제조 방법 및 이를 적용한 하드디스크드라이브
    • 磁盘,其制造方法和应用磁性磁盘的硬盘驱动器,涉及磁性分离磁性物质颗粒和减少磁性噪声
    • KR1020040088396A
    • 2004-10-16
    • KR1020040022556
    • 2004-04-01
    • 삼성전자주식회사
    • 홍수열이형재신경호오세충이택동
    • G11B5/66
    • G11B5/66
    • PURPOSE: A magnetic disk, a fabrication method thereof and a hard disk drive applying magnetic disk thereto are provided to dispose a spacer chromium layer between a stabilizing magnetic layer and an upper magnetic layer, to spread chromium inside the upper magnetic layer. CONSTITUTION: A magnetic disk(12) includes a stabilizing magnetic layer(50) located on a substrate(52). A lower layer(54) is inserted between the stabilizing magnetic layer(50) and the substrate(52) to improve an adhesion of a stabilizing material. The substrate(52) is made of an aluminum material. The stabilizing magnetic layer(50) is covered with a spacer chromium layer(56). The chromium layer(56) is covered with an upper magnetic layer(58). Chromium is spread between magnetic material grains within the upper magnetic layer(58).
    • 目的:提供一种磁盘,其制造方法和向其施加磁盘的硬盘驱动器,以在稳定磁性层和上部磁性层之间设置间隔层铬,以在上部磁性层内部扩散铬。 构成:磁盘(12)包括位于衬底(52)上的稳定磁性层(50)。 在稳定磁性层(50)和基底(52)之间插入下层(54),以改善稳定材料的粘合性。 基板(52)由铝材料制成。 稳定磁性层(50)被间隔层铬层(56)覆盖。 铬层(56)被上磁性层(58)覆盖。 铬分布在上磁性层(58)内的磁性材料颗粒之间。
    • 8. 发明公开
    • 자기 저항 램 및 그의 제조방법
    • 磁阻电阻RAM及其制造方法
    • KR1020030092324A
    • 2003-12-06
    • KR1020020029956
    • 2002-05-29
    • 삼성전자주식회사
    • 박완준이택동박병국김태완송이헌박상진
    • G11C11/15
    • H01L27/228B82Y10/00
    • PURPOSE: A magnetic resistance RAM and a method for manufacturing the same are provided to drastically improve the magnetic resistance ratio of the semiconductor memory device of the magnetic resistance RAM by using an aluminum-hafnium-oxide as a barrier layer, thereby improving the reliability of the barrier layer. CONSTITUTION: A magnetic resistance RAM includes a lower electrode(141), a first magnetic layer(142), a barrier layer(143), a second magnetic layer(144), a top electrode(145), a second gate(130) and a bitline(150). The lower electrode(141) is connected to the source junction and the first magnetic layer(142) is formed on the top of the lower electrode(141). The barrier layer(143) made of an insulating layer consisting of an aluminum and a hafnium. The second magnetic layer(144) is formed on top of the barrier layer corresponding to the first magnetic layer(142) and the top electrode(145) is formed on the second magnetic layer(144). The second gate(130) inserted between the first gate(120) and the lower electrode(141) for controlling the magnetic information among the first and the second magnetic layers(141,144). And, the bitline(150) is electrically connected to the top electrode(145) with vertically crossing to the first gate(120).
    • 目的:提供磁阻RAM及其制造方法,通过使用铝 - 铪氧化物作为阻挡层,显着提高磁阻RAM的半导体存储元件的磁阻比,从而提高 阻挡层。 构成:磁阻RAM包括下电极(141),第一磁性层(142),阻挡层(143),第二磁性层(144),顶电极(145),第二栅极(130) 和一个位线(150)。 下电极141连接到源极结,第一磁性层142形成在下部电极141的顶部。 由由铝和铪组成的绝缘层制成的阻挡层(143)。 第二磁性层(144)形成在对应于第一磁性层(142)的阻挡层的顶部上,顶部电极(145)形成在第二磁性层(144)上。 插入在第一栅极(120)和下部电极(141)之间的第二栅极(130),用于控制第一和第二磁性层(141,144)中的磁信息。 并且,位线(150)与顶部电极(145)电连接,垂直于第一栅极(120)。
    • 9. 发明公开
    • 초고밀도기록을 위한 수직 기록용 자성 박막
    • 全密度记录薄膜非常高密度记录
    • KR1020020060332A
    • 2002-07-18
    • KR1020010001352
    • 2001-01-10
    • 삼성전자주식회사한국과학기술원
    • 이경진이택동이인선황민식
    • G11B5/31
    • G11B5/64Y10S428/90Y10T428/12465Y10T428/12854Y10T428/265
    • PURPOSE: A perpendicular recording thin film for very high density recording is provided to use a perpendicular magnetic recording medium having a perpendicular recording magnetic layer, in which a nucleation field exists in a second quadrant of a magnetization curve, so as to have excellent thermal stability with the increased crystal magnetic anisotropic energy and have a low noise characteristic even at a high density. CONSTITUTION: A magnetic recording medium accumulates an underlayer therein for inducing perpendicular alignment of a perpendicular magnetic recording layer, between a substrate and the perpendicular magnetic recording layer. The thickness of the perpendicular magnetic recording layer is adjusted to from 5nm to 40nm, to generate a negative nucleation field. The perpendicular magnetic recording layer is composed of an alloy of CoCoPt family. A Pt content of the perpendicular magnetic recording layer is 8-20 at%. A Cr content of the perpendicular magnetic recording layer is 12-20 at%. The perpendicular magnetic recording layer includes Ta, Nb or Ta+Nb of under 4 at%, as a fourth or fifth content. And the underlayer is composed of an ally of Ti family.
    • 目的:提供用于非常高密度记录的垂直记录薄膜,以使用具有垂直记录磁性层的垂直磁记录介质,其中成核场存在于磁化曲线的第二象限中,以具有优异的热稳定性 具有增加的晶体磁各向异性能量,并且即使在高密度下也具有低噪声特性。 构成:磁记录介质在其中积累底层,用于引起垂直磁记录层在基板和垂直磁记录层之间的垂直取向。 将垂直磁记录层的厚度调整为5nm至40nm,以产生负成核场。 垂直磁记录层由CoCoPt族合金组成。 垂直磁记录层的Pt含量为8〜20原子%。 垂直磁记录层的Cr含量为12-20at%。 垂直磁记录层包括低于4at%的Ta,Nb或Ta + Nb,为第四或第五含量。 底层由Ti族的盟友组成。