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    • 56. 发明授权
    • Thin-film print head for thermal ink-jet printers
    • 用于热喷墨打印机的薄膜打印头
    • US6132032A
    • 2000-10-17
    • US373827
    • 1999-08-13
    • Frank R. BryantJohn E. Turner
    • Frank R. BryantJohn E. Turner
    • B41J2/14B41J2/05
    • B41J2/14072B41J2/14129B41J2202/13
    • A thin-film print head is provided that includes at least one MOSTFT transistor, at least one resistor, a conductive line between the transistor and resistor. External interconnects between the internal circuitry of print head and external driver circuitry are provided. The thin-film print head device is adjacent to an ink barrier and an orifice plate that together define the firing chamber. Each firing chamber has associated with it a respective thin-film resistor of the print head that is selectively driven by a respective transistor. The transistor includes a source, a gate, a channel, and a drain, wherein the source, channel, and drain are formed by a first polysilicon layer. The MOSTFT transistor selectively drives the resistor with sufficient current to vaporize ink in the chamber and eject ink therefrom. The MOSTFT transistor allows the print head to be manufactured on a relatively inexpensive, non-silicon substrate or a less expensive silicon substrate, due to the less restrictive criteria for the substrate material required by MOSTFT transistors. The substrate may also comprise a material that provides enhanced thermal conductivity to act as a substantial heat sink for the print head.
    • 提供薄膜打印头,其包括至少一个MOSTFT晶体管,至少一个电阻器,晶体管和电阻器之间的导线。 提供打印头内部电路与外部驱动电路之间的外部互连。 薄膜打印头装置与油墨阻挡件和一起限定燃烧室的孔板相邻。 每个发射室与其相关联的是打印头的相应薄膜电阻器,其由相应的晶体管选择性地驱动。 晶体管包括源极,栅极,沟道和漏极,其中源极,沟道和漏极由第一多晶硅层形成。 MOSTFT晶体管选择性地驱动具有足够电流的电阻器以使腔室中的墨水蒸发并从中喷出墨水。 由于MOSTFT晶体管所需的衬底材料限制较少的标准,MOSTFT晶体管允许在相对便宜的非硅衬底或较便宜的硅衬底上制造打印头。 衬底还可以包括提供增强的导热性以用作打印头的实质散热器的材料。
    • 58. 发明授权
    • Planar isolation structure in an integrated circuit
    • 集成电路中的平面隔离结构
    • US6046483A
    • 2000-04-04
    • US964738
    • 1997-11-05
    • Mark R. TesauroFrank R. Bryant
    • Mark R. TesauroFrank R. Bryant
    • H01L21/76H01L21/762H01L27/02
    • H01L21/76216H01L21/7621
    • A method is provided for forming an isolation structure at a semiconducting surface of a body, and the isolation structure formed thereby. A masking layer is formed over selected regions of the substrate surface; the masking layer preferably comprising a nitride layer overlying a pad oxide layer. The masking layer is patterned and etched to form openings exposing selected regions of the substrate surface. Recesses are formed into the substrate in the openings. Preferably a portion of the pad oxide layer is isotropically etched under the nitride layer forming an undercut region. An etch stop layer is formed over the substrate in the recesses filling in the undercut along the sidewalls. A second masking layer, preferably of nitride is formed over the etch stop layer and anisotropically etched to form nitride sidewalls in the openings. The etch stop layer may be etched away from the horizontal surfaces. The substrate in the openings is then oxidized to form a field oxide region substantially coplanar with the original substrate surface.
    • 提供了一种用于在主体的半导体表面形成隔离结构的方法,以及由此形成的隔离结构。 在衬底表面的选定区域上形成掩模层; 掩模层优选地包括覆盖衬垫氧化物层的氮化物层。 对掩模层进行图案化和蚀刻以形成露出衬底表面的选定区域的开口。 凹口在开口中形成在基底中。 优选地,衬垫氧化物层的一部分在形成底切区域的氮化物层下被各向同性地蚀刻。 在沿着侧壁填充在底切中的凹部中的衬底上形成蚀刻停止层。 在蚀刻停止层上方形成优选氮化物的第二掩蔽层,并进行各向异性蚀刻以在开口中形成氮化物侧壁。 蚀刻停止层可以从水平表面被蚀刻掉。 然后将开口中的衬底氧化以形成与原始衬底表面基本上共面的场氧化物区域。
    • 60. 发明授权
    • Method fabricating an integrated circuit
    • 制造集成电路的方法
    • US5543343A
    • 1996-08-06
    • US172636
    • 1993-12-22
    • Frank R. BryantRobert L. Hodges
    • Frank R. BryantRobert L. Hodges
    • H01L21/76H01L21/28H01L21/314H01L21/32H01L21/762H01L21/768H01L23/522H01L29/51H01L29/78H01L21/70H01L27/00
    • H01L21/28176H01L21/28202H01L21/3145H01L21/32H01L21/76216H01L29/513H01L29/518
    • A method is provided for forming a planar surface of a semiconductor integrated circuit, and an integrated circuit formed according to the same. A gate oxide layer is formed over a silicon substrate. A first polysilicon layer is formed over the gate oxide layer and a nitride layer is formed over the first polysilicon layer. The first polysilicon and nitride layers are then patterned and etched to form an opening which exposes a portion of the gate oxide layer. An oxidation step is then performed to form a field oxide region in the opening. The field oxide region is formed to a thickness having an upper surface substantially planar with an upper surface of the first polysilicon layer. The nitride layer is then removed and the gate oxide and first polysilicon layers are patterned and etched to form a gate electrode and an interconnect. A silicide or other conductive layer, such as a second polysilicon layer, may be formed over the remaining first polysilicon regions and a portion of the field oxide layer to connect the gate and interconnect since the upper surface of the first polysilicon layer is substantially planar with the upper surface of the field oxide region and does not cross over the field oxide region.
    • 提供一种用于形成半导体集成电路的平面的方法和根据该集成电路形成的集成电路。 在硅衬底上形成栅氧化层。 在栅极氧化物层上形成第一多晶硅层,在第一多晶硅层上形成氮化物层。 然后对第一多晶硅和氮化物层进行构图和蚀刻,以形成露出栅极氧化物层的一部分的开口。 然后进行氧化步骤以在开口中形成场氧化物区域。 场氧化物区域形成为具有与第一多晶硅层的上表面大致平坦的上表面的厚度。 然后去除氮化物层,并对栅极氧化物和第一多晶硅层进行图案化和蚀刻以形成栅电极和互连。 可以在剩余的第一多晶硅区域和场氧化物层的一部分上形成硅化物或其它导电层,例如第二多晶硅层,以连接栅极和互连,因为第一多晶硅层的上表面基本上是平面的, 场氧化物区域的上表面并且不与场氧化物区域交叉。