Method of forming self-aligned contacts in a semiconductor device
    1.
    发明授权
    Method of forming self-aligned contacts in a semiconductor device 失效
    在半导体器件中形成自对准接触的方法

    公开(公告)号:US06607955B2

    公开(公告)日:2003-08-19

    申请号:US09825346

    申请日:2001-04-04

    申请人: Kyu-Hyun Lee

    发明人: Kyu-Hyun Lee

    IPC分类号: H01L218242

    CPC分类号: H01L21/76897 H01L21/32139

    摘要: A method of forming self-aligned contacts in a semiconductor device wherein a silicon nitride layer and a polysilicon layer are formed on a gate electrode layer. The polysilicon layer, the silicon nitride layer, and the gate electrode layer are etched to form gate electrode configurations. Sidewall spacers are formed on both sidewalls of the gate electrode configurations. An oxide layer is then deposited on the resulting structure. Selected portions of the oxide layer are etched to form self-aligned contacts that expose the semiconductor substrate. Because the polysilicon has an excellent etch selectivity with respect to the oxide layer, the gate electrode layer can be sufficiently protected during the etching of the oxide layer resulting in a good shoulder margin at the exposed upper edges of the silicon nitride gate mask layer.

    摘要翻译: 在半导体器件中形成自对准接触的方法,其中在栅电极层上形成氮化硅层和多晶硅层。 蚀刻多晶硅层,氮化硅层和栅电极层以形成栅电极构造。 侧壁间隔物形成在栅电极构造的两个侧壁上。 然后在所得结构上沉积氧化物层。 蚀刻氧化物层的选定部分以形成露出半导体衬底的自对准接触。 由于多晶硅相对于氧化物层具有优异的蚀刻选择性,所以在蚀刻氧化物层期间可以充分保护栅电极层,从而在氮化硅栅极掩模层的暴露的上边缘处产生良好的肩部边缘。

    Method for forming a self aligned contact in a semiconductor device
    2.
    发明授权
    Method for forming a self aligned contact in a semiconductor device 有权
    在半导体器件中形成自对准接触的方法

    公开(公告)号:US06337275B1

    公开(公告)日:2002-01-08

    申请号:US09334669

    申请日:1999-06-17

    IPC分类号: H01L2144

    CPC分类号: H01L21/76897 H01L21/76834

    摘要: A self aligned contact (SAC) pad in a semiconductor device and a method for forming thereof wherein an SAC opening is formed concurrently with single-layer gate spacers. After formation of the stacked gate pattern having a gate electrode and a capping layer disposed thereon, an insulating layer for gate spacers is deposited thereon. An interlayer insulating layer then is deposited over the insulating layer. The interlayer insulating layer has an etch selectivity with respect to the capping layer and insulating layer. SAC then are opened in the interlayer insulating layer while concurrently forming single-layer gate spacers.

    摘要翻译: 半导体器件中的自对准接触(SAC)焊盘及其形成方法,其中SAC开口与单层栅极间隔物同时形成。 在形成具有设置在其上的栅电极和覆盖层的堆叠栅极图案之后,在其上沉积栅极间隔物的绝缘层。 然后在绝缘层上沉积层间绝缘层。 层间绝缘层相对于覆盖层和绝缘层具有蚀刻选择性。 然后在层间绝缘层中打开SAC,同时形成单层栅极间隔物。

    Methods of forming integrated circuit contact holes using blocking layer patterns
    3.
    发明授权
    Methods of forming integrated circuit contact holes using blocking layer patterns 有权
    使用阻挡层图案形成集成电路接触孔的方法

    公开(公告)号:US06235623B1

    公开(公告)日:2001-05-22

    申请号:US09184227

    申请日:1998-11-02

    申请人: Kyu-Hyun Lee

    发明人: Kyu-Hyun Lee

    IPC分类号: H01L214763

    摘要: Integrated circuit contact holes may be formed on an integrated circuit substrate, by providing a first conductive pattern on the substrate, a first interlayer insulating film on the first conductive pattern, a second conductive pattern on the first interlayer insulating film and a second interlayer insulating film on the second conductive pattern. A blocking layer pattern is formed on the second interlayer insulating film. The blocking layer pattern overlies, is of the same pattern as, and is as least as wide as the second conductive pattern. The first and second interlayer insulating films are then selectively etched relative to the blocking layer pattern and the second conductive pattern, to form contact holes that expose the first conductive pattern. A photoresist pattern may also be formed on a portion of the blocking layer pattern. Then, the first and second interlayer insulating films are selectively etched relative to the photoresist pattern, the blocking layer pattern and the second conductive pattern, to form contact holes that expose the first conductive pattern. The above-described integrated circuit contact hole forming methods may also be used to form integrated circuit contact holes for integrated circuit memory devices. For integrated circuit memory devices, the first conductive pattern may correspond to pad electrodes, the second conductive pattern may correspond to bit lines, and capacitor contact plugs may be formed in the contact holes.

    摘要翻译: 集成电路接触孔可以形成在集成电路基板上,通过在基板上设置第一导电图案,在第一导电图案上设置第一层间绝缘膜,在第一层间绝缘膜上形成第二导电图案,将第二层间绝缘膜 在第二导电图案上。 在第二层间绝缘膜上形成阻挡层图案。 阻挡层图案覆盖,具有与第二导电图案相同的图案,并且至少与第二导电图案一样宽。 然后相对于阻挡层图案和第二导电图案选择性地蚀刻第一和第二层间绝缘膜,以形成露出第一导电图案的接触孔。 也可以在阻挡层图案的一部分上形成光致抗蚀剂图案。 然后,相对于光致抗蚀剂图案,阻挡层图案和第二导电图案选择性地蚀刻第一和第二层间绝缘膜,以形成暴露第一导电图案的接触孔。 上述集成电路接触孔形成方法也可用于形成用于集成电路存储器件的集成电路接触孔。 对于集成电路存储器件,第一导电图案可以对应于焊盘电极,第二导电图案可以对应于位线,并且电容器接触插塞可以形成在接触孔中。

    Semiconductor device having line-type trench to define active region and method of forming the same
    4.
    发明授权
    Semiconductor device having line-type trench to define active region and method of forming the same 有权
    具有线性沟槽以限定有源区的半导体器件及其形成方法

    公开(公告)号:US08729675B1

    公开(公告)日:2014-05-20

    申请号:US13763927

    申请日:2013-02-11

    IPC分类号: H01L29/40

    摘要: A semiconductor device includes a plurality of parallel-trenches that are parallel to each other, a plurality of intersect-trenches that are parallel to each other, a plurality of active regions that are confined by the parallel-trenches and the intersect-trenches, a plurality of lower conductive lines that cross the active regions, a plurality of upper conductive lines that are parallel to each other, that cross the lower conductive lines, and that cross over the active regions, and data storage elements connected to the active regions. Each of the parallel-trenches and the intersect-trenches is a straight line. The parallel-trenches cross the upper conductive lines and form a first acute angle with the upper conductive lines. The intersect-trenches cross the parallel-trenches and form a second acute angle with the parallel-trenches.

    摘要翻译: 半导体器件包括彼此平行的多个平行沟槽,彼此平行的多个相交沟槽,由平行沟槽和交叉沟槽约束的多个有源区域,一个 穿过有源区的多个下导电线,彼此平行的多个上导线,穿过下导电线,并跨越有源区,以及连接到有源区的数据存储元件。 每个平行沟槽和交叉沟槽都是直线。 平行沟槽穿过上导电线并与上导线形成第一锐角。 交叉沟槽与平行沟槽交叉并与平行沟槽形成第二锐角。

    DRAM device
    6.
    发明授权
    DRAM device 失效
    DRAM设备

    公开(公告)号:US06730975B2

    公开(公告)日:2004-05-04

    申请号:US10207169

    申请日:2002-07-30

    IPC分类号: H01L31119

    摘要: A DRAM device in which a portion of bit lines has enlarged width portions at a portion of a peripheral/core area to be connected with upper layered circuit wiring through metal contacts, includes spacers formed of a layer of material having an etch selectivity with respect to a bit line interlayer insulating layer deposited after said bit lines are formed, and disposed on sides of an upper surface of each said enlarged width portion to protect sides of said enlarged width portions; an interlayer insulating layer and at least a portion of an etch stop layer disposed between said bit lines and transistors of a substrate; and metal contact pads formed along with bit line contact plugs to pass through said interlayer insulating layer and said etch stop layer.

    摘要翻译: 一种DRAM器件,其中位线的一部分在通过金属触点与上部分层电路布线连接的外围/核心区域的一部分处具有扩大的宽度部分,包括由相对于 在所述位线形成之后沉积的位线层间绝缘层,并且设置在每个所述扩大宽度部分的上表面的侧面上,以保护所述扩大宽度部分的侧面; 层间绝缘层和设置在基板的所述位线和晶体管之间的蚀刻停止层的至少一部分; 以及与位线接触插塞一起形成的金属接触垫,以穿过所述层间绝缘层和所述蚀刻停止层。

    Methods of fabricating semiconductor devices having protected plug contacts and upper interconnections
    7.
    发明授权
    Methods of fabricating semiconductor devices having protected plug contacts and upper interconnections 有权
    制造具有受保护的插头触点和上互连的半导体器件的方法

    公开(公告)号:US06602773B2

    公开(公告)日:2003-08-05

    申请号:US09840741

    申请日:2001-04-23

    IPC分类号: H01L213205

    摘要: Embodiments of methods of fabricating protected contact plugs include forming an electrically insulating layer having a contact hole therein, on a semiconductor substrate and then forming an electrically conductive lower barrier layer that lines at least an upper portion of a sidewall of the contact hole. This lower barrier layer may comprise titanium nitride (TiN). A step is also performed to form an electrically conductive contact plug that extends in the contact hole, is electrically coupled to the lower barrier layer and protrudes above the electrically insulating layer. The contact plug may comprise tungsten (W). An electrically conductive upper barrier layer is then formed that extends on a protruded upper surface of the contact plug and on a surface of the lower barrier layer. A step may then be performed to pattern the upper barrier layer to define an electrically conductive barrier spacer that extends on a sidewall or end of the lower barrier layer and define an upper barrier layer cap on the protruded upper surface of the contact plug.

    摘要翻译: 制造受保护的接触插塞的方法的实施例包括在半导体衬底上形成其中具有接触孔的电绝缘层,然后形成在接触孔的侧壁的至少上部分上的导电下阻挡层。 该下阻挡层可以包括氮化钛(TiN)。 还执行步骤以形成在接触孔中延伸的导电接触插塞,电连接到下阻挡层并突出在电绝缘层上方。 接触塞可以包括钨(W)。 然后形成导电上阻挡层,其在接触插塞的突出的上表面上延伸并且在下阻挡层的表面上延伸。 然后可以执行步骤以图案化上阻挡层以限定在下阻挡层的侧壁或端部上延伸并且在接触插塞的突出的上表面上限定上阻挡层帽的导电阻挡间隔物。

    Method and composition of an oral preparation of itraconazole
    8.
    发明授权
    Method and composition of an oral preparation of itraconazole 失效
    伊曲康唑口服制剂的方法和组成

    公开(公告)号:US06485743B1

    公开(公告)日:2002-11-26

    申请号:US09582536

    申请日:2000-06-29

    IPC分类号: A61K920

    摘要: The present invention relates to a method and composition of an oral preparation of itraconazole, an excellent azole antifungal drug. More particularly, it relates to an oral preparation of itraconazole having improved bioavailability, which is prepared by following steps of: i) dissolving itraconazole and bydrophilic polymer with solvent, ii) spray-drying said mixture, and iii) preparing the solid dispersions for oral preparation. The solid dispersions prepared in this invention may be useful in preparing tablets, granules and other oral dosage forms.

    摘要翻译: 本发明涉及伊曲康唑口服制剂的方法和组合物,优良的唑类抗真菌药物。 更具体地说,本发明涉及伊曲康唑具有改善的生物利用度的口服制剂,其通过以下步骤制备:i)用溶剂溶解伊曲康唑和嗜中性聚合物,ii)喷雾干燥所述混合物,和iii)制备用于口服的固体分散体 制备。 本发明制备的固体分散体可用于制备片剂,颗粒剂和其它口服剂型。

    Trench-type insulated gate bipolar transistor and method for making the same
    9.
    发明授权
    Trench-type insulated gate bipolar transistor and method for making the same 有权
    沟槽型绝缘栅双极晶体管

    公开(公告)号:US06262470B1

    公开(公告)日:2001-07-17

    申请号:US09369487

    申请日:1999-08-05

    IPC分类号: H01L27082

    CPC分类号: H01L29/66348 H01L29/7397

    摘要: A trench-type insulated gate bipolar transistor in which a channel stop region is partially formed between an n-type high-concentration emitter region and a p-type base region in which a conductive channel is to be formed. The channel stop region is doped with p-type impurities at high concentration. A portion of the emitter region directly contact the base region, and the other portion has the channel stop region disposed between itself and the base region without directly contacting the base region. At the portion where the channel stop region is interposed, an electron current from the emitter region does not flow vertically into a drift region, but horizontally moves to a direct contacts portion between the emitter region and the base region and then vertically flows to the drift region via the conductive channel. The horizontally-flowing electron current within the emitter region causes a voltage drop, thus reducing the voltage difference at the junction between the emitter region and the base region. Therefore, a latch-up phenomenon, in which a parasitic thyristor is turned on, is suppressed.

    摘要翻译: 沟槽型绝缘栅双极晶体管,其中沟道阻挡区域部分地形成在要形成导电沟道的n型高浓度发射极区域和p型基极区域之间。 通道停止区以高浓度掺杂p型杂质。 发射极区域的一部分直接接触基极区域,另一部分具有设置在其与基极区域之间的沟道阻挡区域,而不直接接触基极区域。 在插入通道停止区域的部分,来自发射极区域的电子电流不会垂直流入漂移区域,而是水平移动到发射极区域和基极区域之间的直接接触部分,然后垂直地流到漂移区域 区域。 发射极区域内的水平流动的电子电流引起电压降,从而降低发射极区域和基极区域之间的结处的电压差。 因此,抑制了寄生晶闸管导通的闭锁现象。

    SEMICONDUCTOR DEVICE HAVING LINE-TYPE TRENCH TO DEFINE ACTIVE REGION AND METHOD OF FORMING THE SAME
    10.
    发明申请
    SEMICONDUCTOR DEVICE HAVING LINE-TYPE TRENCH TO DEFINE ACTIVE REGION AND METHOD OF FORMING THE SAME 有权
    具有线型倾斜的半导体器件定义活性区域及其形成方法

    公开(公告)号:US20140117566A1

    公开(公告)日:2014-05-01

    申请号:US13763927

    申请日:2013-02-11

    IPC分类号: H01L23/498

    摘要: A semiconductor device includes a plurality of parallel-trenches that are parallel to each other, a plurality of intersect-trenches that are parallel to each other, a plurality of active regions that are confined by the parallel-trenches and the intersect-trenches, a plurality of lower conductive lines that cross the active regions, a plurality of upper conductive lines that are parallel to each other, that cross the lower conductive lines, and that cross over the active regions, and data storage elements connected to the active regions. Each of the parallel-trenches and the intersect-trenches is a straight line. The parallel-trenches cross the upper conductive lines and form a first acute angle with the upper conductive lines. The intersect-trenches cross the parallel-trenches and form a second acute angle with the parallel-trenches.

    摘要翻译: 半导体器件包括彼此平行的多个平行沟槽,彼此平行的多个相交沟槽,由平行沟槽和交叉沟槽约束的多个有源区域,一个 穿过有源区的多个下导电线,彼此平行的多个上导线,穿过下导电线,并跨越有源区,以及连接到有源区的数据存储元件。 每个平行沟槽和交叉沟槽都是直线。 平行沟槽穿过上导电线并与上导线形成第一锐角。 交叉沟槽与平行沟槽交叉并与平行沟槽形成第二锐角。