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    • 2. 发明公开
    • 반도체 장치 및 반도체 장치의 제조 방법
    • 반도체장치및반도체장치의제조방법
    • KR1020130124560A
    • 2013-11-14
    • KR1020137023641
    • 2012-03-09
    • 아사히 가세이 일렉트로닉스 가부시끼가이샤
    • 사까모또,도시로
    • H01L21/336H01L27/04
    • H01L29/66492H01L21/26586H01L21/823412H01L21/823418H01L21/823456H01L29/0847H01L29/1045H01L29/66659H01L29/7835
    • There are provided a semiconductor device having a drain region making a BLDD structure withstandable against a high voltage, sufficiently suppressing a hot-carrier deterioration, and having a high ESD withstandable characteristic, and a method for manufacturing the same. A semiconductor device is formed including a MOS transistor having a source region and a drain region both formed in a semiconductor substrate, and a channel region formed therebetween. At this time, the concentration of holes emitted form P-type impurities injected into the channel region and contributing an electrical conduction is lower at a side close to the drain region than at a side close to the source region. The drain region includes a drift region into which N-type impurities are injected. The drift region extends toward the channel region from the drain region except a nearby area to the surface of the semiconductor substrate.
    • 提供了一种半导体器件及其制造方法,所述半导体器件具有形成可承受高电压的BLDD结构的漏极区域,充分抑制热载流子劣化并且具有高ESD耐受特性。 形成包括MOS晶体管和形成在其间的沟道区的半导体器件,所述MOS晶体管具有形成在半导体衬底中的源极区和漏极区。 此时,注入到沟道区域中并且有助于导电的P型杂质发射的空穴浓度在靠近漏极区域的一侧比在靠近源极区域的一侧较低。 漏极区域包括其中注入有N型杂质的漂移区域。 漂移区从除了附近区域之外的漏极区域朝向沟道区域延伸到半导体衬底的表面。