Method of forming a silicon nitride layer on a substrate
    1.
    发明授权
    Method of forming a silicon nitride layer on a substrate 有权
    在基板上形成氮化硅层的方法

    公开(公告)号:US06559074B1

    公开(公告)日:2003-05-06

    申请号:US10015713

    申请日:2001-12-12

    IPC分类号: H01L2131

    摘要: A silicon nitride layer is formed over transistor gates while the processing temperature is relatively high, typically at least 500° C., and the pressure is relatively high, typically at least 50 Torr, to obtain a relatively high rate of formation of the silicon nitride layer. Processing conditions are controlled so as to more uniformly form the silicon nitride layer. Generally, the ratio of the NH3 gas to the silicon-containing gas by volume is selected sufficiently high so that, should the surface have a low region between transistor gates which is less than 0.15 microns wide and have a height-to-width ratio of at least 1.0, as well as an entirely flat area of at least 5 microns by 5 microns, the layer forms at a rate of not more than 25% faster on the flat area than on a base of the low region.

    摘要翻译: 在晶体管栅极上形成氮化硅层,而处理温度相对较高,通常至少为500℃,压力相对较高,通常为至少50托,以获得较高的氮化硅形成速率 层。 控制处理条件以更均匀地形成氮化硅层。 通常,体积的NH 3气体与含硅气体的比例被选择得足够高,使得如果表面在小于0.15微米宽的晶体管栅极之间具有低区域,并且具有高度 - 宽度比 至少为1.0,以及至少5微米至5微米的完全平坦的区域,该层在平坦区域上比在低区域的基底上以不超过25%的速率形成。

    Doped silicon deposition process in resistively heated single wafer chamber
    3.
    发明授权
    Doped silicon deposition process in resistively heated single wafer chamber 有权
    在电阻加热的单晶片室中掺杂硅沉积工艺

    公开(公告)号:US06559039B2

    公开(公告)日:2003-05-06

    申请号:US09858821

    申请日:2001-05-15

    IPC分类号: H01L2124

    摘要: A method for depositing doped polycrystalline or amorphous silicon film. The method includes placing a substrate onto a susceptor. The susceptor includes a body having a resistive heater therein and a thermocouple in physical contact with the resistive heater. The susceptor is located in the process chamber such that the process chamber has a top portion above the susceptor and a bottom portion below the susceptor. The method further includes heating the susceptor. The method further includes providing a process gas mix into the process chamber through a shower head located on the susceptor. The process gas mix includes a silicon source gas, a dopant gas, and a carrier gas. The carrier gas includes nitrogen. The method further includes forming the doped silicon film from the silicon source gas.

    摘要翻译: 一种沉积掺杂多晶或非晶硅膜的方法。 该方法包括将基底放置在基座上。 感受体包括其中具有电阻加热器的主体和与电阻加热器物理接触的热电偶。 感受体位于处理室中,使得处理室具有在基座上方的顶部部分和基座下方的底部部分。 该方法还包括加热基座。 该方法还包括通过位于基座上的喷淋头将工艺气体混合物提供到处理室中。 处理气体混合物包括硅源气体,掺杂剂气体和载气。 载气包括氮气。 该方法还包括从硅源气体形成掺杂硅膜。

    Method of making a transistor, in particular spacers of the transistor
    4.
    发明授权
    Method of making a transistor, in particular spacers of the transistor 失效
    制造晶体管的方法,特别是晶体管的间隔物

    公开(公告)号:US06566183B1

    公开(公告)日:2003-05-20

    申请号:US10017192

    申请日:2001-12-12

    IPC分类号: H01L218238

    摘要: The invention provides a method of making a transistor. A gate dielectric layer is formed on a semiconductor substrate. A gate is formed on the dielectric layer, the gate having an exposed upper surface and exposed side surfaces. A first silicon nitride layer having a first thickness is deposited over the gate, for example over an oxide layer on the gate, at a first deposition rate. A second silicon nitride layer having a second thickness is deposited over the first silicon nitride layer at a second deposition rate, the second thickness being more that the first thickness and the second deposition rate being more than the first deposition rate. The first silicon nitrogen layer then has a lower hydrogen concentration. At least the second silicon nitride layer (or a silicon oxide layer in the case of an ONO spacer) is etched to leave spacers next to the side surfaces while exposing the upper surface of the gate and areas of the substrate outside the spacers.

    摘要翻译: 本发明提供一种制造晶体管的方法。 在半导体衬底上形成栅介电层。 栅极形成在电介质层上,栅极具有暴露的上表面和暴露的侧表面。 具有第一厚度的第一氮化硅层以第一沉积速率沉积在栅极上,例如在栅极上的氧化物层上方。 具有第二厚度的第二氮化硅层以第二沉积速率沉积在第一氮化硅层上,第二厚度大于第一厚度和第二沉积速率大于第一沉积速率。 然后第一硅氮层具有较低的氢浓度。 蚀刻至少第二氮化硅层(或在ONO间隔物的情况下的氧化硅层),以使隔板靠近侧表面,同时将栅极的上表面和衬底的区域暴露在间隔物外部。

    Method of forming a silicon nitride layer on a substrate
    8.
    发明授权
    Method of forming a silicon nitride layer on a substrate 失效
    在基板上形成氮化硅层的方法

    公开(公告)号:US06645884B1

    公开(公告)日:2003-11-11

    申请号:US09350810

    申请日:1999-07-09

    IPC分类号: H01L2102

    CPC分类号: C23C16/4412 C23C16/345

    摘要: The invention provides methods and apparatuses of forming a silicon nitride layer on a semiconductor wafer. A semiconductor wafer is located on a susceptor within a semiconductor processing chamber. A carrier gas, a nitrogen source gas, and a silicon source gas are introduced into the semiconductor processing chamber and a semiconductor wafer is exposed to the mixture of gases at a pressure in the chamber in the range of approximately 100 to 500 Torr.

    摘要翻译: 本发明提供了在半导体晶片上形成氮化硅层的方法和装置。 半导体晶片位于半导体处理室内的基座上。 将载气,氮源气体和硅源气体引入到半导体处理室中,并且将半导体晶片在室内的压力下暴露于大约100至500托的范围内的气体混合物。

    Method and apparatus for directing constituents through a processing chamber
    10.
    发明授权
    Method and apparatus for directing constituents through a processing chamber 失效
    用于引导成分通过处理室的方法和装置

    公开(公告)号:US06586343B1

    公开(公告)日:2003-07-01

    申请号:US09350817

    申请日:1999-07-09

    IPC分类号: H01L2131

    CPC分类号: H01L21/67017 Y10S118/90

    摘要: A method and apparatus for directing a process gas through a processing apparatus, such as a vapor deposition chamber. The apparatus comprises a pumping plate for a processing chamber having an annular body member wherein said body member has a first portion and a second defining a circumferential edge and a central opening. The first portion comprises a sidewall of the circumferential edge having a plurality of circumferentially spaced through holes and the second portion has comprises a lateral portion that protrudes from the circumferential edge, such that, in a processing chamber, the first portion defines a first gas flow region comprising the central opening and a second gas flow region comprising the lateral portion of the second portion.

    摘要翻译: 用于引导处理气体通过诸如气相沉积室的处理装置的方法和装置。 该装置包括用于处理室的泵板,其具有环形主体构件,其中所述本体构件具有第一部分,第二限定周向边缘和中心开口。 第一部分包括圆周边缘的侧壁,其具有多个周向间隔开的通孔,并且第二部分包括从周向边缘突出的侧部,使得在处理室中,第一部分限定第一气流 区域包括中央开口和包括第二部分的侧部的第二气流区域。