Method of forming complementary bipolar and MOS transistor having power
and logic structures on the same integrated circuit substrate
    2.
    发明授权
    Method of forming complementary bipolar and MOS transistor having power and logic structures on the same integrated circuit substrate 失效
    在相同的集成电路基板上形成具有功率和逻辑结构的互补双极和MOS晶体管的方法

    公开(公告)号:US5256582A

    公开(公告)日:1993-10-26

    申请号:US800869

    申请日:1991-11-27

    CPC分类号: H01L27/0623 Y10S148/009

    摘要: The present invention relates to a method of manufacturing a semiconductor integrated device and, more particularly, to a semiconductor integrated device having NPN and PNP power and logic devices combined with complementary MOS and DMOS devices. The present invention is a multipitaxial process for fabricating a high power/logic complementary bipolar/MOS/DMOS (CBiCMOS) integrated circuit. The process steps for fabricating the novel integrated circuit combines on the same substrate complementary high power, logic/analog bipolar transistors with complementary MOSGVm devices and DMOSFET devices. The present invention optimizes the characteristics of these different transistors in a single process flow. The present high power/logic CBiCMOS multiepitaxial process results in device structures having distinct technical advantages over prior art processes and structures heretofore known. For example, the present integrated circuit chip, uses bipolar power transistors instead of vertical DMOS power transistors for power applications. The bipolar power transistors are more rugged and have higher power handling capabilities than DMOS devices. Thus the bipolar transistors can be used for any out-stage configuration, including low side, high side, half bridge and full bridge output circuits. The versatility of the present process flow allows the fabrication of MOSFET, BiMOS, BiCMOS, and bipolar technology either discretely or with high power or low power NPN or PNP devices.

    摘要翻译: 本发明涉及一种制造半导体集成器件的方法,更具体地说,涉及一种具有NPN和PNP功率的半导体集成器件以及与互补MOS和DMOS器件相结合的逻辑器件。 本发明是用于制造高功率/逻辑互补双极/ MOS / DMOS(CBiCMOS)集成电路的多轴工艺。 用于制造新型集成电路的工艺步骤组合在具有互补MOSGVm器件和DMOSFET器件的相同衬底互补大功率逻辑/模拟双极晶体管上。 本发明在单个工艺流程中优化这些不同晶体管的特性。 目前的高功率/逻辑CBiCMOS多外延工艺导致了与先前已知的现有技术工艺和结构相比具有不同技术优点的器件结构。 例如,本集成电路芯片采用双极型功率晶体管代替用于功率应用的垂直DMOS功率晶体管。 双极功率晶体管比DMOS器件更加坚固耐用,具有更高的功率处理能力。 因此,双极晶体管可用于任何外置配置,包括低端,高端,半桥和全桥输出电路。 本工艺流程的多功能性允许离散地或与高功率或低功率NPN或PNP器件制造MOSFET,BiMOS,BiCMOS和双极技术。

    Complementary bipolar and MOS transistor having power and logic
structures on the same integrated circuit substrate
    4.
    发明授权
    Complementary bipolar and MOS transistor having power and logic structures on the same integrated circuit substrate 失效
    在同一集成电路基板上具有功率和逻辑结构的互补双极和MOS晶体管

    公开(公告)号:US5181095A

    公开(公告)日:1993-01-19

    申请号:US688196

    申请日:1991-04-19

    IPC分类号: H01L27/06

    CPC分类号: H01L27/0623

    摘要: An integrated circuit device of a first N-type epitaxial layer over a substrate, a second P-type epitaxial layer over the first epitaxial layer, and a third N-type epitaxial layer over the second epitaxial layer, with a P-type buried ground region formed in a portion of the substrate, the ground region extending from the substrate to the third epitaxial layer in a first tank region and extending through the first and second epitaxial layers. A power bipolar transistor is formed in the first tank region. P isolation areas extending from the surface of the third epitaxial layer to the P ground region isolate the bipolar transistor from other tank region on the same substrate in which N and P channel MOSFETS are formed.

    摘要翻译: 在衬底上的第一N型外延层的集成电路器件,在第一外延层上的第二P型外延层和在第二外延层上的第三N型外延层,具有P型埋地 区域,其形成在所述衬底的一部分中,所述接地区域在第一槽区域中从所述衬底延伸到所述第三外延层并且延伸穿过所述第一和第二外延层。 功率双极晶体管形成在第一槽区中。 从第三外延层的表面延伸到P接地区的P隔离区将双极晶体管与其中形成N和P沟道MOSFET的同一衬底上的其它槽区分离。