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    • 1. 发明申请
    • BIPOLAR TRANSISTOR AND METHOD OF MANUFACTURING THE SAME
    • 双极晶体管及其制造方法
    • WO2006008689A1
    • 2006-01-26
    • PCT/IB2005/052260
    • 2005-07-07
    • KONINKLIJKE PHILIPS ELECTRONICS N.V.MONTREE, Andreas, H.SLOTBOOM, Jan, W.AGARWAL, PrabhatMEUNIER-BEILLARD, Philippe
    • MONTREE, Andreas, H.SLOTBOOM, Jan, W.AGARWAL, PrabhatMEUNIER-BEILLARD, Philippe
    • H01L29/73
    • H01L29/7317H01L29/1004H01L29/365H01L29/66265H01L29/735H01L2924/0002H01L2924/00
    • The invention relates to a semiconductor device (10) with a semiconductor body (12) comprising a bipolar transistor with an emitter region (1), a base region (2) and a collector region (3) of, respectively, a first conductivity type, a second conductivity type, opposite to the first conductivity type, and the first conductivity type, wherein, viewed in projection, the emitter region (1) is positioned above or below the base region (2), and the collector region (3) laterally borders the base region (2). According to the invention, the base region (2) comprises a highly doped sub­region (2A) the doping concentration of which has a delta-shaped profile in the thickness direction, and said highly doped sub-region (2A) extends laterally as far as the collector region (3). Such a lateral bipolar transistor has excellent high-frequency properties and a relatively high breakdown voltage between the base and collector regions (2, 3), implying that the device is suitable for high power applications. The doping concentration lies preferably between about 10 19 and about 10 20 at/cm 3 , and the thickness of the sub-region (2A) lies between 1 and 15 nm and preferably between 1 and 10 nm. The invention also comprises a method of manufacturing such a device (10).
    • 本发明涉及具有半导体本体(12)的半导体器件(10),该半导体器件(12)包括分别具有第一导电类型的发射极区域(1),基极区域(2)和集电极区域(3) ,与第一导电类型相反的第二导电类型和第一导电类型,其中从投影中看,发射极区域(1)位于基极区域(2)的上方或下方,并且集电极区域(3) 横向地邻接基部区域(2)。 根据本发明,基极区域(2)包括其掺杂浓度在厚度方向上具有δ形轮廓的高掺杂子区域(2A),并且所述高度掺杂子区域(2A)横向延伸至 收集器区域(3)。 这种横向双极晶体管在基极和集电极区域(2,3)之间具有优异的高频特性和较高的击穿电压,这意味着该器件适用于高功率应用。 掺杂浓度优选在约10
    • 9. 发明公开
    • A METHOD OF MANUFACTURING A SEMICONDUCTOR DEVICE
    • 一种制造半导体器件的方法
    • EP1157417A1
    • 2001-11-28
    • EP00989941.0
    • 2000-12-01
    • Koninklijke Philips Electronics N.V.
    • WOERLEE, Pierre, H.SCHMITZ, JurriaanMONTREE, Andreas, H.
    • H01L21/336H01L21/768H01L21/265
    • H01L21/76895H01L29/4966H01L29/66537H01L29/66545
    • In a method of manufacturing a semiconductor device comprising a semiconductor body (1) which is provided at a surface (2) with a transistor comprising a gate structure (21), a patterned layer (10) is applied defining the area of the gate structure (21). Subsequently, a dielectric layer (18) is applied in such a way, that the thickness of the dielectric layer (18) next to the patterned layer (10) is substantially equally large or larger than the height of the patterned layer (10), which dielectric layer (18) is removed over part of its thickness until the patterned layer (10) is exposed. Then, the patterned layer (10) is subjected to a material removing treatment, thereby forming a recess (19) in the dielectric layer (18), and a contact window (28, 29) is provided in the dielectric layer. A conductive layer (30) is applied filling the recess (19) and the contact window (28, 29), which conductive layer (30) is subsequently shaped into the gate structure (21) and a contact structure (26, 27) establishing an electrical contact with the surface (2) of the semiconductor body (1).
    • 在制造包括半导体本体(1)的半导体器件的方法中,所述半导体器件在具有包括栅极结构(21)的晶体管的表面(2)处提供,图案化层(10)被应用来限定栅极结构 (21)。 随后,以这样的方式施加电介质层(18),使得与图案化层(10)相邻的电介质层(18)的厚度基本等于或大于图案化层(10)的高度, 该电介质层(18)在其部分厚度上被去除,直到图案层(10)被暴露。 然后,对图案层(10)进行材料去除处理,由此在介电层(18)中形成凹陷(19),并且在介电层中提供接触窗口(28,29)。 填充凹槽(19)和接触窗口(28,29)的导电层(30)被填充,该导电层(30)随后成形为栅极结构(21)和接触结构(26,27) 与半导体本体(1)的表面(2)电接触。
    • 10. 发明公开
    • METHOD OF MANUFACTURING A FLOATING GATE FIELD-EFFECT TRANSISTOR
    • PROCESS FOR制造场效应浮栅晶体管
    • EP1082760A1
    • 2001-03-14
    • EP00916865.9
    • 2000-02-24
    • Koninklijke Philips Electronics N.V.
    • MONTREE, Andreas, H.SCHMITZ, JurriaanWOERLEE, Pierre, H.
    • H01L21/336H01L21/28H01L29/788H01L29/423
    • H01L21/28273H01L29/42324H01L29/66825
    • A method of manufacturing a semiconductor device comprising a non-volatile memory FET, wherein an active region (4) of a first conductivity type is defined at a surface (2) of a semiconductor body (1), and a patterned layer (6, 7) is formed on said active region (4), which patterned layer is a dummy gate that acts as a mask during the formation of a source zone (11) and a drain zone (12) of a second conductivity type in the semiconductor body (1). Then, a dielectric layer (14) is provided in a thickness which is sufficiently large to cover the patterned layer, which dielectric layer (14) is removed over part of its thickness by means of a material removing treatment such as CMP until the patterned layer is exposed. In a next step, the patterned layer is removed, thereby forming a recess (15) in the dielectric layer (14). In this recess a first insulating layer (18) is applied providing a floating gate dielectric (19), to which first insulating layer a first conductive layer (20) is applied filling the recess in the dielectric layer (14), which first conductive layer is shaped into a floating gate (21) by means of masked etching. The floating gate (21) has a T-shape with a substantially flat surface portion (22) extending substantially parallel to the surface (2) of the semiconductor body (1) and sidewall portions (23) extending substantially perpendicularly to the surface (2) of the semiconductor body (1). In a next step, the floating gate (21) is covered by a second insulating layer (24) providing an inter-gate dielectric (25), to which second insulating layer a second conductive layer (26) is applied, which is shaped into an overlapping control gate (27). The control gate (27) is capacitively coupled with the substantially flat surface portion (22) of the floating gate (21) and with at least the sidewall portions (23) of the floating gate (21) situated adjacent to the source zone (11) and the drain zone (12) of the memory FET.