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    • 1. 发明公开
    • 반도체 장치의 제조 방법
    • 半导体器件制造方法
    • KR1020090098832A
    • 2009-09-17
    • KR1020097012675
    • 2007-11-29
    • 스미토모덴키고교가부시키가이샤
    • 다마소히데토후지카와카즈히로하라다신
    • H01L29/78H01L29/417H01L21/265
    • H01L29/7802H01L21/0465H01L29/1608H01L29/66068H01L21/02164H01L21/2253
    • A semiconductor device manufacturing method comprising a first step of forming an ion implantation mask (103) in a partial region of the surface of a semiconductor (102), a second step of implanting ions of a first dopant into at least a part of the exposed region of the surface of the semiconductor (102) other than the region where the ion implantation mask (103) is formed and forming a first dopant implantation region (106), a third step of removing a part of the ion implantation mask (103) after the formation of the first dopant implantation region (106) to enlarge the exposed region of the surface of the semiconductor (102), and a fourth step of implanting ions of a second dopant into at least a part of the enlarged exposed region of the surface of the semiconductor (102) to form a second dopant implantation region (107).
    • 一种半导体器件制造方法,包括在半导体(102)的表面的部分区域中形成离子注入掩模(103)的第一步骤,将第一掺杂剂的离子注入暴露的第一掺杂剂的至少一部分的第二步骤 除了形成离子注入掩模(103)的区域以外的半导体(102)的表面的区域,形成第一掺杂剂注入区(106),第三步骤,去除部分离子注入掩模(103) 在形成第一掺杂剂注入区域(106)以扩大半导体(102)的表面的暴露区域之后,以及第四步骤,将第二掺杂剂的离子注入至 半导体(102)的表面以形成第二掺杂剂注入区(107)。
    • 2. 发明公开
    • 전계 효과 트랜지스터
    • 场效应晶体管
    • KR1020060017849A
    • 2006-02-27
    • KR1020057023412
    • 2004-05-21
    • 스미토모덴키고교가부시키가이샤
    • 후지카와카즈히로하라다신마츠나미히로유키기모토츠네노부
    • H01L29/78
    • H01L29/66901H01L29/0634H01L29/1608H01L29/808
    • An electric-field moderating layer (12) and a p-type buffer layer (2) are formed on an SiC single crystal substrate (1). The electric-field moderating layer (12) is so formed between the p-type buffer layer (2) and the SiC single crystal substrate (1) that it is in contact with the SiC single crystal substrate (1). An n- type semiconductor layer (3) is formed on the p-type buffer layer (2). A p-type semiconductor layer (10) is formed on the n-type semiconductor layer (3). An n+-type source region layer (4) and an n+- type drain region layer (5) are formed at a certain distance from each other within the p-type semiconductor layer (10). A p+-type gate region layer (6) is formed in a portion of the p-type semiconductor layer (10) lying between the n+-type source region layer (4) and the n+-type drain region layer (5).
    • 在SiC单晶衬底(1)上形成电场调节层(12)和p型缓冲层(2)。 在p型缓冲层(2)和与SiC单晶衬底(1)接触的SiC单晶衬底(1)之间形成电场调节层(12)。 n型半导体层(3)形成在p型缓冲层(2)上。 在n型半导体层(3)上形成p型半导体层(10)。 在p型半导体层(10)内以一定距离形成n +型源极区(4)和n +型漏极区(5)。 在位于n +型源极区(4)和n +型漏极区(5)之间的p型半导体层(10)的一部分中形成p +型栅极区域层(6)。