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    • 7. 发明公开
    • 반도체 장치
    • 半导体器件
    • KR1020090122106A
    • 2009-11-26
    • KR1020080118725
    • 2008-11-27
    • 미쓰비시덴키 가부시키가이샤
    • 요시우라야스히로이노우에마사노리
    • H01L29/861
    • H01L29/0619H01L29/0649H01L29/0653H01L29/0834H01L29/1016H01L29/74H01L29/7805H01L29/7811H01L29/861H01L29/8611
    • PURPOSE: A semiconductor device is provided to improve breakdown resistance by suppressing the concentration of a current in an external terminal of an anode. CONSTITUTION: A semiconductor device includes a first conductive semiconductor substrate(1), a second conductive anode(2), a guard ring(6), a first conductive cathode, and a second conductive cathode impurity area. The first conductive semiconductor substrate includes a first main surface and a second main surface to face each other. The second conductive anode is formed in the first main surface of the semiconductor substrate. The guard ring surrounds the anode with a preset interval. The first conductive cathode is formed on the second main surface of the semiconductor substrate. The second conductive cathode impurity area is formed in the area opposite to the guard ring in the cathode.
    • 目的:提供一种半导体器件,通过抑制阳极外部端子中的电流浓度来提高耐击穿性。 构成:半导体器件包括第一导电半导体衬底(1),第二导电阳极(2),保护环(6),第一导电阴极和第二导电阴极杂质区域。 第一导电半导体衬底包括第一主表面和第二主表面以彼此面对。 第二导电阳极形成在半导体衬底的第一主表面中。 保护环以预设间隔围绕阳极。 第一导电阴极形成在半导体衬底的第二主表面上。 第二导电阴极杂质区域形成在阴极中与保护环相对的区域中。
    • 8. 发明公开
    • 리세스형 채널 부성 미분 저항 기반 메모리 셀
    • 基于差分通道的基于差分电阻的存储器单元
    • KR1020080066742A
    • 2008-07-16
    • KR1020087010415
    • 2006-09-26
    • 마이크론 테크놀로지, 인크.
    • 몰리,찬드라
    • H01L29/94H01L29/87H01L21/20
    • H01L29/74H01L27/1027H01L27/1203H01L29/66363
    • Disclosed herein is an improved recessed thyristor-based memory cell. The disclosed cell comprises in one embodiment a conductive plug recessed into the bulk of the substrate, which is coupled to or comprises the enable gate of the cell. Vertically disposed around this recessed gate is a thyristor, whose anode (source; p-type region) is connected to the bit line and cathode (drain; n-type region) is connected to the word line. Aside from the recessed enable gate, the disclosed cell comprises no other gate, such as an access transistor, and hence is essentially a one-transistor device. As a result, and as facilitated by the vertical disposition of the thyristor, the disclosed cell takes up a small amount of area on an integrated circuit when compared to a traditional DRAM cell. Moreover, the disclosed cell is simple to manufacture in its various embodiments, and is easy to configure into an array of cells. Isolation underneath the cell, while not required in all useful embodiments, assists in improving the data retention of the cell and extends the time needed between cell refresh.
    • 本发明公开了一种改进的基于嵌入式可晶闸管的存储单元。 所公开的单元在一个实施例中包括凹入到基板的主体中的导电插塞,其耦合到或包括电池的使能栅极。 垂直设置在该凹入栅极周围的是晶闸管,其阳极(源极; p型区域)连接到位线,阴极(漏极; n型区域)连接到字线。 除了凹入的使能栅极之外,所公开的单元不包括诸如存取晶体管的其它栅极,因此本质上是单晶体管器件。 结果,并且由于晶闸管的垂直布置方便,当与传统DRAM单元相比时,所公开的单元在集成电路上占用少量的面积。 此外,所公开的小区在其各种实施例中容易制造,并且易于配置成单元阵列。 在所有有用的实施例中,在细胞之下的隔离虽然不是必需的,但有助于改善细胞的数据保留并延长细胞刷新所需的时间。