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    • 3. 发明授权
    • Tunable semiconductor device
    • 可调谐半导体器件
    • US08415763B2
    • 2013-04-09
    • US13076781
    • 2011-03-31
    • David Louis HarameAlvin Jose JosephQizhi LiuRamana Murty Malladi
    • David Louis HarameAlvin Jose JosephQizhi LiuRamana Murty Malladi
    • H01L29/66
    • H01L29/73H01L29/0821H01L29/66272H01L29/732
    • Embodiments of the invention include a method for forming a tunable semiconductor device and the resulting structure. The invention comprises forming a semiconductor substrate. Next, pattern a first mask over the semiconductor substrate. Dope regions of the semiconductor substrate not protected by the first mask to form a first discontinuous subcollector. Remove the first mask. Pattern a second mask over the semiconductor substrate. Dope regions of the semiconductor substrate not protected by the second mask and on top of the first discontinuous subcollector to form a second discontinuous subcollector. Remove the second mask and form a collector above the second discontinuous subcollector. Breakdown voltage of the device may be tuned by varying the gaps separating doped regions within the first and second discontinuous subcollectors. Doped regions of the first and second discontinuous subcollectors may be formed in a mesh pattern.
    • 本发明的实施例包括形成可调谐半导体器件的方法和所得到的结构。 本发明包括形成半导体衬底。 接下来,在半导体衬底上形成第一掩模。 半导体衬底的掺杂区域不被第一掩模保护以形成第一不连续子集电极。 删除第一个面具。 在半导体衬底上形成第二掩模。 半导体衬底的掺杂区域不被第二掩模保护,并且在第一不连续子集电极的顶部上形成第二不连续子集电极。 取下第二个掩模,并在第二个不连续的子集电极上形成集电极。 可以通过改变分离第一和第二不连续子集电极内的掺杂区域的间隙来调谐器件的击穿电压。 可以以网格图案形成第一和第二不连续子集电极的掺杂区域。
    • 4. 发明申请
    • TUNABLE SEMICONDUCTOR DEVICE
    • 可控半导体器件
    • US20120248573A1
    • 2012-10-04
    • US13076781
    • 2011-03-31
    • David Louis HarameAlvin Jose JosephQizhi LiuRamana Murty Malladi
    • David Louis HarameAlvin Jose JosephQizhi LiuRamana Murty Malladi
    • H01L29/70
    • H01L29/73H01L29/0821H01L29/66272H01L29/732
    • Embodiments of the invention include a method for forming a tunable semiconductor device and the resulting structure. The invention comprises forming a semiconductor substrate. Next, pattern a first mask over the semiconductor substrate. Dope regions of the semiconductor substrate not protected by the first mask to form a first discontinuous subcollector. Remove the first mask. Pattern a second mask over the semiconductor substrate. Dope regions of the semiconductor substrate not protected by the second mask and on top of the first discontinuous subcollector to form a second discontinuous subcollector. Remove the second mask and form a collector above the second discontinuous subcollector. Breakdown voltage of the device may be tuned by varying the gaps separating doped regions within the first and second discontinuous subcollectors. Doped regions of the first and second discontinuous subcollectors may be formed in a mesh pattern.
    • 本发明的实施例包括形成可调谐半导体器件的方法和所得到的结构。 本发明包括形成半导体衬底。 接下来,在半导体衬底上形成第一掩模。 半导体衬底的掺杂区域不被第一掩模保护以形成第一不连续子集电极。 删除第一个面具。 在半导体衬底上形成第二掩模。 半导体衬底的掺杂区域不被第二掩模保护,并且在第一不连续子集电极的顶部上形成第二不连续子集电极。 取下第二个掩模,并在第二个不连续的子集电极上形成集电极。 可以通过改变分离第一和第二不连续子集电极内的掺杂区域的间隙来调谐器件的击穿电压。 可以以网格图案形成第一和第二不连续子集电极的掺杂区域。