Ion implant for defect control
    109.
    发明授权
    Ion implant for defect control 有权
    离子注入用于缺陷控制

    公开(公告)号:US09299564B2

    公开(公告)日:2016-03-29

    申请号:US13897666

    申请日:2013-05-20

    摘要: Various methods for implanting dopant ions into a three dimensional feature of a semiconductor wafer are disclosed. The implant temperature may be varied to insure that the three dimensional feature, after implant, has a crystalline inner core, which is surrounded by an amorphized surface layer. The crystalline core provides a template from which the crystalline structure for the rest of the feature can be regrown. In some embodiments, the implant energy and the implant temperature may each be modified to achieve the desired crystalline inner core with the surrounding amorphized surface layer.

    摘要翻译: 公开了将掺杂剂离子注入到半导体晶片的三维特征中的各种方法。 植入物温度可以变化以确保植入后的三维特征具有被非晶化表面层包围的结晶内核。 晶核提供了一种模板,其中可以再生长其它特征的晶体结构。 在一些实施例中,植入能量和植入物温度可各自被修改以实现具有周围非晶化表面层的期望的晶体内核。

    Method for preparing semiconductor substrate with insulating buried layer gettering process
    110.
    发明授权
    Method for preparing semiconductor substrate with insulating buried layer gettering process 有权
    半导体衬底制备绝缘埋层吸杂方法

    公开(公告)号:US09299556B2

    公开(公告)日:2016-03-29

    申请号:US13976486

    申请日:2010-12-31

    CPC分类号: H01L21/3226 H01L21/76254

    摘要: A method for preparing a semiconductor substrate with an buried insulating layer by a guttering process, includes the following steps: providing a device substrate and a supporting substrate; forming an insulating layer on a surface of the device substrate; performing a heating treatment on the device substrate, so as to form a denuded zone on the surface of the device substrate; bonding the device substrate having the insulating layer with the supporting substrate, such that the insulating layer is sandwiched between the device substrate and the supporting substrate; annealing and reinforcing a bonding interface, such that an adherence level of the bonding interface meets requirements in the following chamfering grinding, thinning and polishing processes; performing the chamfering grinding, thinning and polishing processes on the device substrate which is bonded.

    摘要翻译: 通过沟槽工艺制备具有掩埋绝缘层的半导体衬底的方法包括以下步骤:提供器件衬底和支撑衬底; 在所述器件基板的表面上形成绝缘层; 在所述器件基板上进行加热处理,以在所述器件基板的表面上形成剥离区域; 将具有绝缘层的器件基板与支撑基板接合,使得绝缘层夹在器件基板和支撑基板之间; 退火和加强粘合界面,使得接合界面的粘附水平满足以下倒角研磨,减薄和抛光工艺中的要求; 在接合的器件基板上进行倒角研磨,变薄和抛光工艺。