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    • 1. 发明申请
    • HIGH-DENSITY NROM-FINFET
    • HIGH POET NROM的FinFET
    • WO2004023519A2
    • 2004-03-18
    • PCT/EP0309297
    • 2003-08-21
    • INFINEON TECHNOLOGIES AGHOFMANN FRANZLANDGRAF ERHARDLUYKEN RICHARD JOHANNESROESNER WOLFGANGSPECHT MICHAEL
    • HOFMANN FRANZLANDGRAF ERHARDLUYKEN RICHARD JOHANNESROESNER WOLFGANGSPECHT MICHAEL
    • G11C16/04H01L21/28H01L21/336H01L21/8246H01L21/8247H01L21/84H01L27/115H01L27/12H01L29/786H01L29/788H01L29/792H01R11/22H01R13/62H01L
    • H01L21/28273G11C16/0466H01L21/28282H01L21/845H01L27/115H01L27/11521H01L27/11568H01L27/1203H01L29/66795H01L29/66825H01L29/66833H01L29/785H01L29/7881H01L29/792Y10S257/903Y10S257/904Y10S257/905
    • The invention relates to a semiconductor memory comprising a plurality of memory cells, each memory cell comprising the following: a first conductively doped contact area (S/D), a second conductively doped contact area (S/D) and a channel region arranged therebetween, which are embodied in a plate-type rib (FIN) made of a semiconductor material and which are arranged successively in the above-mentioned order in the longitudinal direction of the rib (FIN), said rib (FIN) having a substantially rectangular shape, according to a cross-sectional view extending in a perpendicular manner with respect to the longitudinal direction of the rib (FIN), comprising an upper rib side (10) and opposite lateral rib surfaces (12, 14); a memory layer (18) which is embodied in order to program the memory cell and which is arranged on the upper rib side (10) and distanced by means a first insulating layer (20), said memory layer (18) protruding over at least one (12) of the lateral rib surfaces (12) in a normal direction of one lateral rib surface (12), such that said one lateral rib surface (12) and the upper rib surface (10) form an injection edge (16) for injecting charge carriers from the channel region into the memory layer (18); and at least one gate electrode (WL1) which is distanced by means of a second insulating layer (22) from said one lateral rib surface (12) and distanced by means of a third insulating layer (29) from the memory layer (18), said gate electrode (WL1) being electrically insulated in relation to the channel region and being embodied in order to control the electrical conductivity thereof.
    • 本发明涉及一种具有多个存储器单元,每个存储器单元包括一个半导体存储器:第一导电掺杂接触区(S / D),第二导电掺杂接触区(S / D)和一个介于沟道区,其中(在网状肋FIN )形成的半导体材料,以及(在肋FIN的纵向方向上按此次序)被布置成一个在另一个后面,其中所述鳍(FIN)至少在垂直(在沟道区延伸到所述肋FIN的长度方向)截面,具有一肋顶部的大致rechtsecksförmige形状 (10)和相对的肋的侧表面(12,14); 所设计的用于通过第一绝缘体层编程所述存储器单元存储层(18)(20)间隔开的肋顶部(10)布置,其中,在一个正常的方向经由肋的侧表面中的至少一个(12)(12)的存储层(18) 肋侧表面(12)突出,以使所述一个肋侧表面(12)和肋顶部(10)形成用于从沟道区的载流子到所述存储层注入(18)的喷射边缘(16); 和至少一个栅极电极(WL1),其通过第二绝缘体层隔开一个(22)的肋侧表面(12)和通过所述存储层(18)的第三绝缘层(29),其中所述沟道区相对的栅电极(WL1),其电 是绝缘的,并适于控制其导电性。
    • 3. 发明申请
    • SEMICONDUCTOR STORAGE DEVICE AND ITS MANUFACTURING METHOD
    • 半导体存储器件及其制造方法
    • WO02056383A1
    • 2002-07-18
    • PCT/JP2001/011672
    • 2001-12-28
    • H01L27/10H01L21/02H01L21/8242H01L21/8246H01L27/105H01L27/108
    • H01L27/10894H01L27/10885H01L28/55H01L28/60Y10S257/905Y10S257/908
    • A memory cell of a DRAM that is a semiconductor storage device has a bit line (21a) connected to a bit line plug (20b) and a local wiring (21b) on a first interlayer insulation film (18). The side face of a hard mask (37), an upper barrier metal (36), a Pt film, and a BST film (34) is overlaid with a conductor side wall (40) made of TiAlN. No contact is provided on the Pt film (35) which constitutes an upper electrode (35a), but the upper electrode (35a) is connected to an upper layer wiring (Cu wiring 42) by a conductor side wall (40), dummy lower electrode (33b), a dummy cell plug (30), and a local wiring (21b). Since the Pt film (35) is not exposed to a reductive atmosphere, a capacitor insulation film (34a) is prevented from deteriorating in characteristics.
    • 作为半导体存储装置的DRAM的存储单元具有连接到第一层间绝缘膜(18)上的位线插头(20b)和局部布线(21b)的位线(21a)。 硬掩模(37),上阻挡金属(36),Pt膜和BST膜(34)的侧面与由TiAlN制成的导体侧壁(40)重叠。 在构成上电极(35a)的Pt膜(35)上没有提供接触,但是上电极(35a)通过导体侧壁(40)连接到上层布线(Cu布线42),虚拟下部 电极(33b),虚拟电池插头(30)和局部布线(21b)。 由于Pt膜(35)没有暴露于还原气氛中,所以防止电容器绝缘膜(34a)的特性劣化。
    • 6. 发明申请
    • SEMICONDUCTOR DEVICE HAVING FERROELECTRIC FILM AND MANUFACTURING METHOD THEREOF
    • 具有电磁膜的半导体器件及其制造方法
    • WO2003107425A2
    • 2003-12-24
    • PCT/JP2003/007431
    • 2003-06-11
    • KABUSHIKI KAISHA TOSHIBAINFINEON TECHNOLOGIES AG
    • KANAYA, HiroyukiHILLIGER, Andreas
    • H01L27/115
    • H01L27/11502H01L27/10855H01L27/11507Y10S257/905
    • A B S T R A C T First and second semiconductor regions are formed separately from each other in a semiconductor substrate. A gate electrode is formed above the semiconductor substrate which lies between the first and second semiconductor regions. An interlayer insulating film is formed on the semiconductor substrate to cover the first and second semiconductor regions and the gate electrode. First and second lower electrodes are formed on the interlayer insulating film. A first contact plug is formed in the interlayer insulating film in contact with the first lower electrode. A second contact plug is formed in the interlayer insulating film in contact with the second lower electrode. A first ferroelectric film is formed on the first lower electrode. A first upper electrode is formed on the first ferroelectric film. A second ferroelectric film is formed on the second lower electrode. A second upper electrode is formed on the second ferroelectric film.
    • A B S T R A C T第一和第二半导体区域在半导体衬底中彼此分开形成。 在位于第一和第二半导体区域之间的半导体衬底的上方形成栅电极。 在半导体衬底上形成层间绝缘膜以覆盖第一和第二半导体区域和栅电极。 第一和第二下电极形成在层间绝缘膜上。 在与第一下电极接触的层间绝缘膜中形成第一接触插塞。 在与第二下电极接触的层间绝缘膜中形成第二接触插塞。 第一铁电体膜形成在第一下部电极上。 第一上电极形成在第一铁电体膜上。 在第二下部电极上形成第二铁电体膜。 第二上电极形成在第二铁电体膜上。
    • 8. 发明申请
    • BURIED BIT LINE-FIELD PLATE ISOLATION DEFINED ACTIVE SEMICONDUCTOR AREAS
    • BINIED BIT LINE-FIELD PLATE ISOLATION DEFINED ACTIVE SEMICONDUCART AREAS
    • WO01099152A2
    • 2001-12-27
    • PCT/US2001/019813
    • 2001-06-21
    • H01L27/108H01L
    • H01L27/10805Y10S257/905Y10S257/907
    • Active areas (24A,24B) of a Dynamic Random Access Memory (DRAM) formed on a semiconductor substrate are defined by buried bit lines (BL1, BL2, BL3) on two sides and by conductors (20) separated from the semiconductor substrate by electrically insulating layers (22) on two other sides. The conductors are electrically biased during operation of the DRAM to cause portions of the semiconductor substrate therebelow to increase in majority carrier concentration and thus to inhibit inversion therof, commonly known as field plate insulation. Each buried bit line is formed in a trench (14) in the semiconductor substrate. Each trench houses a separate bit line and is lined with an electrical insulator (16) and has a conductor (18A) in a bottom portion thereof. Common drain regions (23A) shared by two transistors are coupled to conductors (18A) by means of a conductor (32).
    • 形成在半导体衬底上的动态随机存取存储器(DRAM)的有效区域(24A,24B)由两侧的掩埋位线(BL1,BL2,BL3)以及与半导体衬底分开的导体(20) 绝缘层(22)在另外两侧。 在DRAM的操作期间,导体被电偏置,以使半导体衬底的部分在其中大部分载流子浓度增加,从而抑制反转,通常称为场板绝缘。 每个掩埋位线形成在半导体衬底中的沟槽(14)中。 每个沟槽容纳单独的位线并且衬有电绝缘体(16),并且在其底部具有导体(18A)。 由两个晶体管共享的公共漏极区域(23A)通过导体(32)耦合到导体(18A)。